WO2004110568A1 - 脚部トレーニング装置 - Google Patents
脚部トレーニング装置 Download PDFInfo
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- WO2004110568A1 WO2004110568A1 PCT/JP2004/007344 JP2004007344W WO2004110568A1 WO 2004110568 A1 WO2004110568 A1 WO 2004110568A1 JP 2004007344 W JP2004007344 W JP 2004007344W WO 2004110568 A1 WO2004110568 A1 WO 2004110568A1
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- Prior art keywords
- user
- seat member
- leg training
- load
- leg
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/06—User-manipulated weights
- A63B21/068—User-manipulated weights using user's body weight
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
- A63B23/04—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs
- A63B23/08—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs for ankle joints
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H1/00—Apparatus for passive exercising; Vibrating apparatus ; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
- A61H1/001—Apparatus for applying movements to the whole body
- A61H1/003—Rocking or oscillating around a horizontal axis transversal to the body
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H1/00—Apparatus for passive exercising; Vibrating apparatus ; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
- A61H1/02—Stretching or bending or torsioning apparatus for exercising
- A61H1/0218—Drawing-out devices
- A61H1/0229—Drawing-out devices by reducing gravity forces normally applied to the body, e.g. by lifting or hanging the body or part of it
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H1/00—Apparatus for passive exercising; Vibrating apparatus ; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
- A61H1/02—Stretching or bending or torsioning apparatus for exercising
- A61H1/0237—Stretching or bending or torsioning apparatus for exercising for the lower limbs
- A61H1/0255—Both knee and hip of a patient, e.g. in supine or sitting position, the feet being moved in a plane substantially parallel to the body-symmetrical-plane
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/00178—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices for active exercising, the apparatus being also usable for passive exercising
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/00181—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices comprising additional means assisting the user to overcome part of the resisting force, i.e. assisted-active exercising
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- A—HUMAN NECESSITIES
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- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
- A63B22/16—Platforms for rocking motion about a horizontal axis, e.g. axis through the middle of the platform; Balancing drums; Balancing boards or the like
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- A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
- A63B22/18—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with elements, i.e. platforms, having a circulating, nutating or rotating movement, generated by oscillating movement of the user, e.g. platforms wobbling on a centrally arranged spherical support
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
- A63B23/04—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs
- A63B23/0405—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs involving a bending of the knee and hip joints simultaneously
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B24/00—Electric or electronic controls for exercising apparatus of preceding groups; Controlling or monitoring of exercises, sportive games, training or athletic performances
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/12—Driving means
- A61H2201/1207—Driving means with electric or magnetic drive
- A61H2201/1215—Rotary drive
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- A—HUMAN NECESSITIES
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- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/16—Physical interface with patient
- A61H2201/1602—Physical interface with patient kind of interface, e.g. head rest, knee support or lumbar support
- A61H2201/164—Feet or leg, e.g. pedal
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/50—Control means thereof
- A61H2201/5058—Sensors or detectors
- A61H2201/5061—Force sensors
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/50—Control means thereof
- A61H2201/5058—Sensors or detectors
- A61H2201/5092—Optical sensor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2203/00—Additional characteristics concerning the patient
- A61H2203/04—Position of the patient
- A61H2203/0406—Standing on the feet
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2203/00—Additional characteristics concerning the patient
- A61H2203/04—Position of the patient
- A61H2203/0425—Sitting on the buttocks
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2203/00—Additional characteristics concerning the patient
- A61H2203/04—Position of the patient
- A61H2203/0481—Hanging
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2208/00—Characteristics or parameters related to the user or player
- A63B2208/02—Characteristics or parameters related to the user or player posture
- A63B2208/0204—Standing on the feet
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2208/00—Characteristics or parameters related to the user or player
- A63B2208/02—Characteristics or parameters related to the user or player posture
- A63B2208/0228—Sitting on the buttocks
- A63B2208/0233—Sitting on the buttocks in 90/90 position, like on a chair
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- A63B2208/00—Characteristics or parameters related to the user or player
- A63B2208/02—Characteristics or parameters related to the user or player posture
- A63B2208/0285—Hanging
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- A—HUMAN NECESSITIES
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- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2220/00—Measuring of physical parameters relating to sporting activity
- A63B2220/10—Positions
- A63B2220/13—Relative positions
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- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2220/00—Measuring of physical parameters relating to sporting activity
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- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2225/00—Miscellaneous features of sport apparatus, devices or equipment
- A63B2225/09—Adjustable dimensions
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- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2230/00—Measuring physiological parameters of the user
- A63B2230/20—Measuring physiological parameters of the user blood composition characteristics
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2230/00—Measuring physiological parameters of the user
- A63B2230/60—Measuring physiological parameters of the user muscle strain, i.e. measured on the user
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- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B23/00—Exercising apparatus specially adapted for particular parts of the body
- A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
- A63B23/04—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs
- A63B23/0494—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs primarily by articulating the knee joints
Definitions
- the present invention relates to an apparatus that can efficiently train a leg even for a user who has knee pain, in addition to use for solving lack of exercise and shape-up.
- an exercise assisting device capable of exercising the legs
- a device for simulating a bicycle rowing exercise an exercise bike
- a device for simulating a running a treadmill
- examples of exercise assisting devices that induce active exercise without requiring the user's spontaneous effort include devices that simulate horseback riding (for example, Japanese Patent Application Laid-Open No. H11-55836).
- Exercise assist devices such as the exercise bike extruder described above do not allow the knee joint to bend or stretch, or apply a load to the knee joint that is greater than the user's own weight. Cannot be adopted in the case.
- exercise assist devices that simulate horseback riding do not place a burden on the knees because the user sits on the seat, but since the device promotes muscle contraction mainly in the trunk, such as the lower back, muscle contraction in the legs may be reduced. It is not effective.
- the present invention has been made in view of the above-mentioned problems, and an object of the present invention is to enable a user with knee pain to exercise with muscle contraction of the thigh muscles, and consequently a lifestyle-related disease.
- An object of the present invention is to provide a leg training device that can effectively improve the condition.
- the leg training apparatus of the present invention includes a base installed at a fixed position and a body of the user in a form in which at least a part of the user's own weight acts on the legs including the thighs.
- the supporting part is movably connected to the base so that the load acting on the legs changes with the user's own weight due to the displacement of the relative position between the user's foot position and the center of gravity.
- the load on the leg increases at least, the direction of displacement of the relative position between the foot position and the center of gravity is limited to the approximate bending and extension direction of the knee joint.
- a restricting coupling mechanism is provided.
- a relatively light load can be applied to the muscles of the legs including the thighs of the user while a part of the weight of the user is supported by the support portion.
- the relatively light load given to the user promotes muscle contraction of the thigh, which is effective for glucose metabolism, it is appropriate for the user whose motor function is reduced due to decreased muscle strength or joint pain.
- Leg training can be provided. If this training device is used continuously, prevention of lifestyle-related diseases is expected to be improved.
- the displacement direction of the relative position between the foot position of the user and the position of the center of gravity can be limited to the bending direction of the knee joint, and the direction in which the load is applied is defined by the center of the knee and the second finger of the foot.
- the supporting portion movably connected to the base includes a tread plate on which the user's foot is placed, holding means for holding the user in a seated state, and holding means for holding the user in a suspended state. can do.
- the coupling mechanism restricts the movable direction of the support portion so that the distance between the user's foot position and the buttocks position is substantially constant.
- a coupling mechanism is provided so that the tread can be moved in at least one of a horizontal direction and a vertical direction with respect to the base. It is preferred to bind through.
- the supporting portion movably connected to the base is holding means for holding the user in a seated state.
- the holding means includes a seat member for supporting the buttocks of the user.
- the seat member is swingably coupled to the base via a coupling mechanism.
- a part of the weight of the user is supported by placing the buttocks on the seat member, and in this state, the user swings the seat member to load the user's thighs and legs. Promotes muscle contraction.
- the user can control the magnitude of the load applied to the legs of the user without actively moving the body, and can promote muscle contraction by passive exercise. Users who have difficulty walking due to weakness in muscles, and those who need rehabilitation exercises, are training their legs to make it easier. Even if the same exercise is performed repeatedly, the driving means leads, so that you can have fun and enjoy training.
- the supporting portion includes a seat member that holds the user's buttocks and is swingably coupled to the base via a coupling mechanism, and a tread plate on which the user's foot is placed.
- the treads are linked to each other in synchronization with the swing of the seat member by the linking means. In this case, the position of the tread can be changed with the swing of the seat member so that the bending angle of the knee does not change. In other words, since exercises that are close to isometric contractions are possible, the burden on the knee due to bending and extension of the knee joint is reduced.
- first driving means for swinging the seat member second driving means for driving the tread
- a seat member is connected to the base via a coupling mechanism, a saddle placed on the upper end of the post and on which the user's buttocks are placed, and a saddle to be inserted into the post in a row and a rotational movement. It is preferable to include a connecting means for connecting the saddle to the post so as to provide at least one of the following.
- the shift of the center of gravity of the user can be increased by the movement of the saddle in addition to the swing of the seat member. For example, when the post tilts in a direction that increases the load acting on the user's leg, the saddle is moved to shift the position of the user's center of gravity. Can be increased.
- the connecting means preferably holds the saddle in a seesaw motion with respect to the post. Further, as the row movement of the saddle, it is preferable to hold the saddle slidably in a plane intersecting in the axial direction of the post.
- a saddle driving means for providing sliding movement of the saddle with respect to the post.
- the post is extendable and contractible in the longitudinal direction thereof, and the leg training apparatus may include a post driving means for providing a stretching movement of the post.
- a post driving means for providing a stretching movement of the post.
- the post since the bending angle of the knee joint changes according to the change in the length of expansion and contraction of the post, it is possible to adjust the magnitude of the load applied to the legs of the user. Also, the position of the user's buttocks can be adjusted according to the user's leg length.
- the post is extendable and contractible in its longitudinal direction, and the leg training device further swings a tread plate on which a user's foot rests and a seat member.
- the interlocking means is provided so that the bending angle of the knee joint of the user is within 45 degrees when the child's position of the user sitting on the platform and moving on the seat member is moved. It is preferable to operate the tread plate in synchronization with the swing of the step. Even if the joint has pain, such as knee osteoarthritis, it can be used without adverse effects such as pain and worsening of symptoms.
- the interlocking means operates the tread in synchronization with the swing of the seat member so that the bending angle of the user's knee is maintained substantially constant when the position of the center of gravity of the user is moved.
- the leg training apparatus of the present invention is arranged so that the bending angle of the knee joint of the user is within 45 degrees when the position of the center of gravity of the user who sits on the step member and moves on the seat member is moved.
- the first "movement mode" in which the tread plate is operated in synchronization with the swing of the member, and the swing of the seat member so that the bending angle of the user's knee is maintained substantially constant when the position of the center of gravity of the user moves.
- the leg training apparatus includes a measuring means for measuring a physiological measurement value related to the metabolic rate, an evaluating means for obtaining the metabolic rate from an output of the measuring means, a load providing means for providing a load to the user, It is preferable to include control means for controlling the amount of load given to the user by the load providing means based on the metabolic rate provided by the evaluation means.
- the evaluation means weights the physiological measurement value using one of the volume of the muscle involved in the exercise performed by the load providing means and the volume of the red muscle of the muscle involved in the exercise as a weighting factor. It is preferable to use the physiological measurement value after weighting as the metabolic rate.
- the leg training apparatus of the present invention includes a load sensor provided on the support portion for detecting a load reflecting the load acting on the leg portion of the user's own weight, and a load sensor detected by the load sensor. It is preferable to include a load change notification unit that notifies the user of the time change in real time. According to this configuration, the user can know the time change of the load acting on the leg in real time, and can easily determine whether an appropriate load is obtained. When the load is excessive or insufficient, the user can obtain a proper exercise by adjusting the device or shifting the position of the body.
- the leg training apparatus includes an input unit for inputting user data, an arithmetic unit for calculating an appropriate range of pressure to be applied to the support unit by the user based on the data input by the input unit, A pressure sensor for detecting the pressure actually applied to the support portion by the user, and display means for displaying to the user the appropriate range provided by the calculation means and the actual pressure value detected by the pressure sensor.
- an appropriate load range obtained based on user-specific data such as the weight, age, sex, presence / absence of the disease, disease name, and exercise history of the user is displayed. The user can train the legs while being aware of the range of the optimal load.
- the leg training apparatus includes input means for inputting user data, and arithmetic means for calculating an appropriate range of pressure to be applied to the support portion by the user based on the data input by the input means.
- a pressure sensor for detecting the pressure actually applied to the support by the user; and control means for performing feedback control of the coupling mechanism so that the pressure value detected by the pressure sensor is kept within an appropriate range. Is preferred. According to this configuration, it is possible to set a target range based on attributes such as a user's weight, age, gender, presence / absence of a disease, disease name, and exercise history, and to give an appropriate load to the user. it can.
- the ratio of the load on the legs (mainly the thighs) obtained from the load obtained by the load sensor to the body weight is calculated, and a target range is set for this ratio, regardless of the weight difference between the individual users.
- An appropriate target range can be set. Still, feedback control can enhance safety during leg training.
- the holding means for holding the user in a suspended state includes a torso holding member for hanging and holding the user's torso, and a tread plate on which the user's foot is placed, and the torso holding member is connected.
- the step board is swingably coupled to the base via a mechanism, and the tread plate is operated by the interlocking means in synchronization with the swing of the body holding member.
- the torso holding member preferably includes a waist holder for holding the user's waist and a user's hanging member that can be extended and contracted in the axial direction. This case is effective when it is necessary to train the legs without bringing the buttocks of the user into direct contact with the seat member.
- a driving means for swinging the body holding means is provided.
- First driving means for swinging the body holding member, second driving means for driving the tread plate, first driving means, and second driving means It is particularly preferable to provide control means for controlling the driving means in synchronization with the moving means.
- FIG. 1 is a schematic diagram of a leg training apparatus according to a first embodiment of the present invention.
- ⁇ 2 to FIG. 2 ⁇ are explanatory diagrams of the operation of the leg training device.
- 3A and 3B are diagrams for explaining another operation of the leg training apparatus when the tread is movable.
- FIGS. 4A and 4B are explanatory diagrams of another operation of the leg training apparatus when the treadle is fixed.
- FIGS. 5A and 5B are explanatory diagrams of the operation of the saddle during the swinging motion of the seat member.
- FIG. 6 is another explanatory view of the operation of the saddle during the rocking motion of the seat member.
- FIGS. 7A and 7B are schematic diagrams showing a modified example of the saddle connecting means of the present embodiment.
- 8A and 8B are schematic diagrams showing another modification of the saddle connecting means of the present embodiment.
- FIG. 9 is a schematic view showing still another modification of the saddle connecting mechanism of the present embodiment.
- FIG. 10 is a graph showing the measurement results of muscle metabolism.
- FIG. 11 is a graph showing measurement results of glucose metabolism.
- ⁇ 12 is a diagram showing the results of a sensory evaluation of knee pain.
- FIG. 13 is a graph showing the relationship between exercise conditions and integrated myoelectric potential.
- ⁇ 14 is a graph showing a relationship between the weight of the tread plate and the number of repetitions of the swinging motion of the seat member.
- FIG. 15 is a graph showing the relationship between the exercise conditions and the weight of the tread.
- Fig. 16A and Fig. 16B are schematic diagrams showing a modified example of the coupling mechanism of the seat members! It is.
- ⁇ 17 is a block diagram showing a control unit of the leg training apparatus.
- FIG. 18 is a graph showing the relationship between relative load and muscle metabolism.
- FIG. 19 is a schematic view showing a modified example of the leg training apparatus of the present invention.
- FIG. 20 is a block diagram of a motion determining device for extracting a motion turn with a large metabolic rate.
- FIG. 21 is a schematic plan view showing a leg training apparatus according to a second embodiment of the present invention.
- FIG. 22 is a perspective view showing a coupling mechanism of the leg training apparatus.
- H23A and H23B are explanatory diagrams of the operation of the leg training apparatus.
- FIG. 24A is a schematic diagram showing an interlocking means between a tread plate and a seat member of the leg training apparatus according to the third embodiment of the present invention
- FIG. 24B is a perspective view showing a structure of the tread plate.
- FIG. 25 is a schematic view showing a first modification of the tread of the leg training apparatus.
- FIG. 26 is a schematic view showing a second modification of the tread of the leg training apparatus.
- FIG. 27 is a schematic view showing a third modification of the tread of the leg training apparatus.
- FIG. 28 is a schematic diagram showing a fourth modification of the tread of the leg training apparatus.
- FIG. 29 is a schematic diagram showing a fifth modification of the tread of the leg training apparatus.
- FIGS. 3OA and 3OB are schematic diagrams of a leg training apparatus according to a fourth embodiment of the present invention. ' ⁇ '
- FIG. 31 is a schematic diagram showing a modified example of the leg training apparatus.
- FIG. 32 is a schematic perspective view of a leg training apparatus according to a fifth embodiment of the present invention.
- FIG. 33A is an explanatory diagram of the operation of the coupling mechanism of the leg training device, and
- FIG. 33B is a diagram showing the relationship between the position of the tread plate and the motion locus of the coupling mechanism.
- FIGS. 34A and 34B are a schematic side view and a top view of a leg training apparatus according to a sixth embodiment of the present invention.
- 35A to 35C are a schematic side view, a top view, and a front view of the drive unit of the leg training apparatus.
- FIGS. 36A and 36B are schematic diagrams showing the adjustment of the position of the seat member for users of different heights.
- FIG. 37 is a schematic diagram showing a modified example of the tread of the leg training device. BEST MODE FOR CARRYING OUT THE INVENTION
- the leg training apparatus of the present embodiment includes a gantry 1 installed on the floor, a seat member 2 that supports the buttocks of the user, and a tread plate 3 on which the feet of the user are placed.
- the seat member 2 and the tread 3 are attached to the gantry 1 via coupling mechanisms 4 and 5, respectively.
- the coupling mechanisms 4 and 5 are respectively connected to motors 6 and 7 as drive sources, and the motors 6 and 5 are controlled by the control unit 10.
- the pair of left and right treads 3 is provided, and the motor 7 is provided in each tread 3.
- the seat member 2 includes a post 21, a saddle 22 which is disposed at an upper end of the post 21 and mounts the buttocks of the user, and a boss which is provided to provide the saddle with respect to the post. And a connecting portion 23 that couples to the mouse.
- the saddle is formed in a triangular shape in which the front end (the front side when the user sits on the saddle 22) is narrower than the rear end in a plan view, but the shape of the saddle 22 is other shapes. However, it is also possible to form it in the shape of a chair or saddle, for example.
- the lower end of the post 21 is connected to the coupling mechanism 4.
- the coupling mechanism 4 has a rotation axis in the front-rear direction and the left-right direction.
- the post 21 can swing back and forth around the rotation axis in the left-right direction.
- the joints, including the shaft, are configured to be able to swing left and right around the longitudinal axis. Therefore, according to this coupling mechanism, the post 21 can swing back and forth, right and left around the lower end as a fulcrum.
- the coupling mechanism 4 uses two motors 6 so that the post 21 can swing in any direction.
- the post 21 is formed to be telescopic by forming a lower end and an upper end in a nested manner.
- a motor 8 as a drive source is provided at a longitudinally intermediate portion of the post 21. I have.
- the expansion and contraction length of the post 21 can be made variable by the rotation of the motor 8.
- a motor 9 as a drive source is also provided at a connecting portion 23 connecting the post 21 and the saddle 22, and this motor 9 swings the saddle 22 in the front-rear direction with respect to the post 21. It is possible to make it.
- the coupling mechanism 5 for the tread 3 includes a pantograph 51 mounted on the gantry 1, and the tread 3 is mounted on the pantograph 51.
- the coupling mechanism 5 is also provided with a motor 7 as a drive source. By rotating the motor 7, the pantograph 51 can be expanded and contracted to move the tread plate 3 up and down.
- the seat member 2 can swing back and forth and left and right by the motor 6, the tread plate 3 can be moved up and down by the motor, the post 21 can be extended and contracted by the motor 8, and the saddle 22 can be extended and contracted by the motor 9.
- the angle adjustment in the front-back direction with respect to the post 21 becomes II capability. Since two motors 6 and 7 for the seat member 2 and the tread plate 3 are provided two by two, the combination of the above-described operations becomes possible by controlling a total of six motors 6 to 9. As described above, each of the motors 6 to 9 is controlled by the control unit 10 having a microcomputer as a main component.
- control unit 10 a plurality of sets of time-series data relating to the rotation angles of the motors 6 to 9 for obtaining an appropriate exercise load are set, and an appropriate set of the time-series data is selected. Accordingly, a desired operation can be performed.
- Which motor 6 to 9 to drive can be selected according to the type of leg training provided to the user, but basically the motor 6 is always driven and the seat member 2 swings. Further, the seat member 2 may be swung independently and the other motors 9 to 9 may be stopped, but at least one of the motor 7 for driving the tread plate 3 and the motor 9 for driving the saddle 22 will be described later. It is desirable to drive in synchronization with the motor 6 that drives the seat member 2.
- the user touches the sole of the footboard 3 with the treadle 3 while sitting on the saddle 22.
- the positional relationship between the tread plate 3 and the saddle 22 can be adjusted according to the leg length of the user by adjusting at least one of the height position of the tread plate 3 and the extension length of the post 2 "!.
- the position of the center of gravity of the user is displaced with respect to the foot of the user.
- the center of gravity when the user is seated on the seat member 2 is located in front of the buttocks.
- the seat member 2 moves forward to the position of the center of gravity of the user.
- the user's own weight, the thigh is applied to the inclusion section. Use rate increases.
- the load due to the user's own weight mainly acts on one leg on the side where the seat member 2 is inclined. In this way, while receiving a part of the user's own weight with the saddle 22, the swinging motion of the seat member 2 changes the load acting on the legs (particularly, the thighs having relatively large muscles). By doing so, muscle metabolism can be realized efficiently.
- both legs are placed on the pair of treads 3 and the leg training is performed while sitting on the saddle 22, but without sitting on the saddle 22.
- Leg training may be performed with one leg placed on the tread 3.
- the swing direction of the seat member 2 that is, the position of the foot placed on the tread plate 3 and the center of gravity of the user
- the motor 6 is driven such that the displacement direction of the relative position with respect to the position is restricted to the bending direction of the knee joint.
- the direction of movement of the center of gravity of the user is parallel to the direction of bending and extension of the knee joint of the user ( ⁇ 2 is a view of the user in the sitting posture viewed from above, The direction is the bending direction of the mark direction).
- the operation of the coupling mechanism 4 restricts the swing direction of the seat member 2.
- the range of flexion and extension of the knee joint is within 45 degrees from the extension position. In this way, the direction in which the knee joint bends and stretches without the torsion of the knee joint is limited, and the range of flexion and extension (angle range) of the knee joint is limited. Even users who have pain in their legs can perform leg training without any adverse effects such as increased pain and worsening of symptoms.
- the tread plate 3 It is preferable to determine the position of the foot and the direction of the toe, or to detect the position of the foot and the direction of the toe using an appropriate sensor.
- a mark (not shown) for determining the position and direction of the foot is provided on the tread plate 3.
- the tread 3 is provided with a single clip portion for inserting a toe like a tip of a slipper or a sandal.
- the coupling mechanism 4 holds the buttocks of the user M on the seat member 2.
- the seat member 2 is rocked in two planes including the part to be supported and the second finger of each foot of the user M.
- the ratio of the seat member 2 supporting the weight of the user M is larger than that of the tread plate 3.
- the ratio of the tread 3 supporting the weight of the user M is greater than in the case of FIG. 2A.
- the load on the thigh by the user M's own weight is greater than in the state of FIG. 2A.
- a part of the user M's own weight is still supported by the seat member 2, so that the user M's total weight can be compared with the shoe exercise in which the load acts on the legs as a load. It becomes a light load.
- the knee joint can be bent and stretched without torsion, so that it is possible to prevent the knee joint from increasing in pain and exacerbating the symptoms.
- the seat portion is so arranged that the displacement direction of the relative position between the foot position and the center of gravity is the bending direction of the knee joint for each leg.
- the swing direction of the material 2 can be restricted.
- the user places the legs on the tread 3 in a slightly open state (for example, FIG. 2C) instead of placing the legs on the treads.
- the seat member 2 does not swing in the front-rear direction, but swings between a position where the seat member stands vertically with respect to the gantry 1 and a position where the seat member 2 is inclined in the right direction or the front left direction.
- the load can be applied one leg at a time, and while one leg is being trained, the other leg can be rested.
- the movement of the tread plate 3 is clicked, and the seat member 2 is swung in the forward and backward (bending and stretching) directions so that the load is equally applied to the rain legs.
- the device configuration can be simplified because the direction is only the front-back direction.
- a load is applied simultaneously to both feet, only 50% of the body weight can be applied to one foot. Therefore, when it is necessary to further increase the load applied to the leg of the user, it is preferable to adopt the leg training method of the present embodiment described above.
- the tread 3 can be moved up and down with respect to the gantry 1, and the operation of the tread 3 can be controlled in synchronization (interlocking) with the swing of the seat member 2. That is, Fig. 3 ⁇ 13B shows the position of the tread plate 3 when the member 2 is in the substantially vertical position, and 13B shows the position of the tread plate 3 when the seat member 2 is in the inclined position. From these figures, it can be seen that the position of the tread plate 3 is located lower when the seat member 2 is in the inclined posture.
- Such control is realized by synchronizing the control of the motor 6 for tilting the seat member 2 and the control of the motor 7 for moving the tread plate 3 up and down.
- the knee weight acts on the leg by its own weight without substantially changing the bending angle 0 of the knee joint.
- the load can be changed. That is, the leg muscles can be contracted in a state close to isometric expansion and contraction, and the muscles can be contracted while reducing the burden on the knees.
- the seat member 2 and the tread plate 3 are driven by the motors 6 and 7, the user can follow the movement of the seat member 2 and the tread plate 3 without actively moving the body, thereby providing efficient leg training. Can be performed.
- the seat member 2 When the seat member 2 is still inclined toward the left or right tread plate 3 from the state where the seat member 2 is in a substantially vertical position, only the tread plate 3 on the side where the seat member 2 is swung (inclined) is used. Is preferably moved downward. By such an operation, a load can be efficiently applied to only one leg. Also, move the opposite side of the tread 3 slightly upward. As a result, the seat member 2 can apply a greater load to the legs in the inclined direction. Further, even if the inclination of the seat member 2 is reduced, a relatively large load can be applied to the legs, so that loads can be efficiently applied to the legs. Note that the swing of the seat member 2 may be repeated only on one of the left and right sides, or the seat member 2 may be swung so as to be inclined left and right alternately.
- the motors 6 and 8 may be controlled in synchronization such that the inclination angle of the seat member 2 and the expansion and contraction of the post 21 are interlocked with the position of the tread plate 3 being fixed. That is, FIG. 4A shows the length L 1 of the post 21 when the seat member 2 is in the substantially vertical position, and H4B shows the length L 2 of the post 21 when the seat member 2 is in the inclined position. It can be seen that the length of the post 21 is large when the seat member 2 is in the inclined position (L1 and L2). Also in this case, the load acting on the legs can be changed by the user's own weight without substantially changing the bending angle 0 of the knee joint.
- the length of the post is extended so that the knee angle does not change.
- the distance between the buttocks strictly as a distance-out radius R between the hip and ankle joints (1, who come)
- the arc-shaped trajectory (FIG center of rotation becomes ankle displaying the angular range ⁇ )
- the angle range is small, even if the circular locus is approximated by a linear locus, the error between them can be ignored.
- the inclination angle of the saddle 22 in the front-rear direction with respect to the post 21 can be changed by the motor 9, the inclination angle of the seat member 2 with respect to the gantry 1 and the inclination angle of the saddle 22 with respect to the post 21 are linked. It is also possible to control it. That is, as shown in H5A, when the seat member 2 is in a substantially vertical posture with respect to the gantry 1, the ⁇ surface orthogonal to the axial direction of the post 21 and the seat surface of the saddle 22 are substantially ⁇ rows, When the seat member 2 is tilted as shown in FIG.
- the saddle 22 is moved in a series at the connecting portion 23 so that the front end of the saddle 22 is lowered, whereby the seat surface of the saddle 22 is moved to the axis of the post 21. Intersects a plane orthogonal to the direction.
- the magnitude of the inclination of the saddle 22 increases as the inclination angle of the seat member 2 increases.
- the load acting on the legs can be further increased by inclining the saddle 22 as described above.
- the magnitude of the load on the legs can be reduced with the increase in the inclination of the seat member 2. It is also possible to reduce it.
- the knees can be operated so as not to change the bending angle, and the load provided to the legs by the weight of the user can be reduced.
- the rate of change it is possible to adjust the change in the magnitude of the load over time / ⁇ ° turn.
- the tread 3 is moved vertically (vertically) with respect to the gantry 1, but the tread 3 may be moved parallel (horizontally) with respect to the gantry 1.
- control is performed so that the horizontal distance between the tread plate 3 and the lower end of the seat member 2 decreases as the inclination angle of the seat member 2 increases, and the magnitude of the load on the legs without changing the bending angle of the knee joint. Can be changed.
- the tread plate 3 may be movable in the vertical and horizontal directions with respect to the gantry 1 in the rain direction, and the inclination angle of the seat member 2 and the movement of the tread plate 3 may be linked.
- the spring constant is set so that the desired descent with respect to the magnitude of the load is set, and a single tongue is placed under the tread, and the magnitude of the load
- a configuration in which a plurality of spring materials having different spring constants contribute to adjusting the amount of descent (example) (For example, use of a two-stage spring having a non-linear spring constant), and a configuration in which the number of springs having the same spring constant is selected so that an appropriate amount of descent is obtained according to the weight and load target of the user. Either one may be adopted.
- a configuration may be adopted in which the amount of air of the air bistone disposed at the lower portion of the tread is adjusted to adjust the amount of descent of the tread according to the weight of the user at a certain moment. Further, in accordance with the load applied to the tread, the position of the tread is controlled by expanding / contracting an air / gap air tube disposed at the lower portion of the tread.
- the saddle 22 is moved in the minus direction (front-rear direction) in a plane intersecting the axial direction of the post 21 as shown in ⁇ 6. ) May be adopted.
- the motor 9 slides the saddle 22 relative to the boss 21.
- the saddle 22 is slid forward as the inclination angle of the seat member 2 increases (the dotted line indicates the position of the saddle 22 when the seat member 2 is in the room straight posture).
- the inclination angle of the seat member 2 with respect to the gantry 1, the position of the tread plate 3 with respect to the gantry 1, the expansion and contraction length of the seat member 2, and the saddle 22 with respect to the boss 21 are controlled by the four motors 6 to 9. Although four types of positions are controlled, if a configuration is used in which a change in the inclination angle of the seat member 2 and a change in the position of the saddle 22 with respect to the post 21 are adopted, a motor 9 that drives the saddle 22 is used. Can be omitted.
- FIGS. 7A and 7B a wire made of a material that does not extend between the front end of the saddle 22 and the seat member 2 on the gantry 1 in order to change the inclination angle of the saddle 22 with respect to the post 21.
- Stretch 24. The saddle 22 is held so as to be tiltable in the front-rear direction with respect to the post 21.
- the saddle 22 is spring-biased so that the seating surface of the saddle 22 returns to a position substantially parallel to the axial direction of the boss 21.
- FIG. 7A shows a state in which the seat member 2 is in a substantially vertical posture with respect to the gantry 1
- FIG. 7B shows a state in which the seat member 2 assumes an inclined posture with respect to the gantry 1.
- the front end of the saddle 22 is restrained by the wire 24, and as shown in FIG. 7B, the front end of the saddle 22 is inclined forward against the spring force. Further, if the seat member 2 assumes the vertical posture shown in FIG. 7A, the saddle 22 returns to the original position by the spring force, that is, the position where the seat surface of the saddle 22 is substantially parallel to the axial direction of the post 21. . If a fixed length rod is used instead of the wire 24, the post 2 Do not bias the saddle 22 at the tip of 1.
- the front end of the saddle 22 be heavier than the rear end.
- a weight that moves the saddle 22 forward by the weight 25 is formed.
- the post 21 and the saddle 22 may be connected by a ball joint 26.
- the saddle 22 can be tilted in any direction with respect to the post 21.
- most of the load acting on the saddle 22 can be received by the post 21 when the seat member 2 is in the substantially vertical posture.
- the user contracts the muscles of the legs and supports the own weight with the legs. That is, as compared with the case where the saddle 22 is fixed to the post 21, the load on the leg of the user when the seat member 2 is inclined can be further increased.
- one of the main purposes of the leg training device is to improve lifestyle-related diseases by promoting glucose metabolism of users.
- glucose which is the energy source of muscle
- excess glucose will be consumed, resulting in improvement of hyperglycemia and hyperinsulinemia, and lifestyle-related diseases (diabetes, obesity, hyperlipidemia) Etc.) are encouraged.
- the action of taking glucose into muscle has the action of insulin and the action of muscle contraction, and both actions are additive, so that muscle contraction increases the uptake of butudose into muscle.
- glucose metabolism in muscle is lower than in healthy subjects, and glucose uptake into muscle is decreasing. It is thought that it consumes excess pudose and eventually contributes to the improvement of diabetes.
- the conventional device that simulates a horse-riding exercise shows an increase in glucose metabolism at a site centered on the adductor muscle of the thigh
- the adductor muscle of the thigh has a larger volume than the extensor muscle group of the thigh. This is about half the effect of promoting glucose metabolism, and the effect is smaller than when the extensor muscles of the thigh are contracted.
- feet may be put on armor during exercise, but the feet are basically floating in the air without touching the ground and used on a saddle-shaped seat. The person sandwiches the seat between the thighs. And trained. Therefore, the exercise is a heavy burden in terms of the magnitude of the load applied to the thigh.
- the metabolic rate be large in the physiologically acceptable range of the user, but the knee joint can be induced by bending the knee joint because there is a limit to the load that can be provided to the user where knee pain is induced. It is necessary to drive the leg training device so that it does not occur.
- the leg training apparatus according to the present embodiment applies at least a part of the user's own weight to the leg as a load by swinging (tilting) the seat member 2 on which the buttocks are placed. The instantaneous value of the load depends on the inclination angle of the seat member 2.
- the load amount per unit time depends on the speed at which the seat member 2 swings (inclines).
- the angle of the disabled joint is referred to as the knee angle from the extension position in Table L.
- the knee angle is a value obtained by subtracting the above-mentioned knee joint flexion angle of 0 from 180 degrees. In other words, adding the flexion angle and the knee angle gives 180 degrees.
- the following four types of measurements are performed on muscle metabolism (or glucose metabolism), and the following five types of measurements are performed on knee pain.
- the driving conditions of the training device were determined.
- a driving mode of the seat member 2 a mode is adopted in which the seat member 2 is reciprocated between a position where the seat member 2 is substantially perpendicular to the gantry 1 and a position where the seat member 2 is inclined.
- the number of reciprocations shown below is defined as the number of returns per second, with the seat member 2 taking an inclined posture from the vertical position and returning to the vertical position once, as a number of returns per second (unit: Hz). Therefore, the movement of the seat member 2 is faster as the number of reciprocations is larger.
- the self-weight ratio is the value of the user's own weight (the ratio of the load acting on the tread 3 against the weight H expressed in%.
- the peak value during the period of one reciprocation of the seat member 2 was used as a representative value of the load. Further, since the representative value fluctuated every time the seat member 2 reciprocated, the average value of the representative value for one minute was used.
- Table 1 shows the measurement conditions for evaluating muscle metabolism or glucose metabolism
- Table 2 shows the measurement conditions for evaluating knee pain.
- Measurements 1 to 3 in Table 1 are conditions for evaluating muscle metabolism
- measurement 4 is a condition for evaluating glucose metabolism.
- Muscle metabolism was measured by near infrared spectroscopy, and glucose metabolism was measured by glucose clamp method.
- a leg training device hereinafter, a conventional device in which a saddle-shaped seat swings so as to simulate a horse riding exercise is used. Compare with.
- Figure 10 shows the measurement results of muscle metabolism in measurement 3.
- (a) shows that the number of reciprocations is 1 Hz, knee angle is 40 degrees, own weight is 40%, (b) is "1.43 Hz, 40 degrees, 40%>, and (c) is 1.43 Hz.
- 40 degrees, 60%, and (d) are 2 Hz, 40 degrees, and 60%, as is clear from Fig. 10.
- a load 3.1 times greater than that of the conventional device was obtained in the case of (d). That is, in measurement 1, when the number of round trips was 1 Hz or less, there was no significant difference in the muscle metabolism due to the number of round trips, but when the frequency exceeded 1 Hz, a significant difference was observed in muscle metabolism.
- the measurement for evaluating knee pain shown in Table 2 was performed using a phase scale indicating the degree of pain of the subject.
- the face pane scale is drawn so that the expression changes from a smile to a crying face in 20 steps, and points are added to each face. If there is no pain, select the smile score (20 points), and select the score closer to the crying face (smaller than 2 ⁇ ) as the pain becomes stronger.
- measurement 8 is a sensory evaluation under the conditions of measurement 7, and if only the difference in whether or not the heel is raised is equal and other conditions are equal, knee pain will occur when the heel is raised. The result is less.
- the effect of alleviating knee pain by raising the heel is an antagonistic effect due to muscle contraction in both the quadriceps muscle on the front side of the leg and the biceps femoris on the back side of the leg. It is presumed that, because the movement of the knee joint is fixed, the shearing force is reduced at the knee joint.
- Relationship Figure 14 shows.
- the number of reciprocations is plotted on the horizontal axis
- the weight ratio is plotted on the vertical axis.
- the sensory evaluations of muscle metabolism, glucose metabolism and knee pain are represented by symbols (mouth), ( ⁇ ), and CO), respectively.
- Muscle metabolism and glucose metabolism are shown by the magnification of the device of the present invention with respect to the conventional device. The upper right is the direction in which the metabolism is enhanced, and the lower left is the direction of higher score (less knee pain) for knee pain. become.
- the measurements shown in Table 1 concluded that in order to obtain the desired muscle metabolism and glucose metabolism, it is desirable to set the number of reciprocations to 2 Hz, the knee angle to 40 degrees, and the weight to 60%.
- the measurements shown in Table 2 showed that knee pain did not occur after exercise for 15 minutes under the above conditions. Therefore, it can be said that it is desirable that the above conditions be exercise conditions. However, this condition is an upper limit, and it is possible to reduce exercise conditions below these values if muscle and glucose metabolism can be reduced.
- the shaded area in 111 4 is the range where the desired metabolism can be obtained, and more than 15 points out of 20 in the sensory evaluation of knee pain, and knee pain will occur at a later date if used for 15 minutes.
- the exercise start position may be a position where the tibia is upright with respect to the gantry 1.
- the number of reciprocations is controlled by controlling the operation of the seat member 2, and the knee angle is kept constant by controlling the positional relationship between the seat member 2 and the tread plate 3.
- the weight factor is the load of the user acting on the tread 3. The higher the speed of movement of the seat member 2, the greater the acceleration applied when the direction of movement changes. It is considered that the larger the inclination angle of the seat member 2 is, the smaller the ratio of the user's own weight of the lathe seat member 2 to share and receive is, and hence the greater the load acting on the tread plate 3 is. That is, it is considered that the own weight ratio has both the number of reciprocations and the inclination angle as parameters.
- the weight range of the user is about several + kg, it is assumed that there is a linear relationship between the self-weight ratio and the number of reciprocations and the inclination angle in such a narrow range.
- the weighted linear sum in which prescribed weights a and b are set for the number of reciprocations and the inclination angle, respectively, is used as the estimated value of the load, and the weight is determined so that the estimated value is equal to the own weight ratio.
- the tilt angle in the following formula means the maximum tilt angle.
- Figure 15 shows the results of actual measurement of the weight of the object while changing the number of reciprocations and the angle of inclination.
- the measurements shown in Figure 15 show a knee angle of 40 degrees for eight adults who have never used the device of the present invention. This was done by keeping and recording the right leg load continuously for 1 minute.
- the relationship between (number of round trips, inclination angle, own weight ratio) is (1.4 Hz, 3 degrees, 38.6%), (1.4 Hz, 5 degrees, 5 degrees). 2.
- the angle is 2. to 5.9 degrees, and it is preferable to set the angle to 3 to 5 degrees. That is, if the knee angle is set to 40 degrees, the number of reciprocations of the seat member 2 is set to 1.4 to 2 Hz, and the inclination angle of the seat member 2 is set to 3 to 5 degrees, a desired metabolism can be obtained and It becomes possible to perform leg training without causing pain.
- the knee angle is set to 40 degrees to obtain a sense of stability when the buttocks are placed on the seat member 2, but may be set to 40 degrees or less because there is no significant difference in metabolism and knee pain. .
- the present invention has a seat member for holding the user in a sitting posture and a tread plate on which the user's foot is placed, and when the seat member swings (inclines), the foot position and the center of gravity position are determined.
- a leg training method using a leg training apparatus that limits the displacement direction of the relative position of the knee to the approximate bending and extension direction of the knee joint. In this leg training, the knee angle becomes 40 degrees or less. And the tilting angle of the seat member 2 is in the range of 3 to 5 degrees. That's what I do.
- the training is performed by the control unit 10 so that the seat member 2 moves between the position where the seat member 2 is in the vertical position with respect to the gantry "1" and the position where the seat member 2 is inclined at an angle of 5 degrees or less with respect to the vertical position.
- the knee angle (the angle from the extension position of the knee joint) is kept within 40 degrees, and the number of reciprocating movements of the seat member 2 in one second is two. It is realized by controlling the operation of the seat member 2 and the tread plate 3 as follows:
- an input unit (not shown) having an operation function such as a keyboard touch panel for giving the target value of the load and the number of reciprocations to the control unit 10.
- the value is given as its own weight, and is 40-60 for the reason described above. It is desirable that the number of round trips can be changed in the range of 1.4 to 2 Hz. It is desirable to keep.
- the inclination angle can be obtained by applying the target value to the own weight rate that is estimated according to the above equation and substituting the number of reciprocations into the above equation.
- the seat member 2 By controlling the seat member 2 with this tilt angle as the maximum tilt angle of the seat member 2, the seat member 2 can be controlled so that the load acting on the leg of the user becomes a target value.
- the desirable range of the number of reciprocations of the seat member 2 is "1.4 to 2 Hz, and the desirable range of the target value of the load is 40 to 60% by its own weight.
- configure the input unit to allow only the input within these enclosures, or configure the input unit to warn or reject the input if there is any input that deviates from these ranges.
- a function may be provided that automatically corrects the input value to an appropriate range when the input value is out of range in the input unit.
- the foot position and the direction of the toe are detected by an appropriate sensor, and the swing direction of the seat member 2 is controlled by the control unit 10. May be operated.
- a weight sensor that detects a plurality of positions on the sole, a sensor in which a TV camera that captures an image of a foot portion and an image processing device, and the like can be used.
- the control section 10 restricts the movable range of the seat member 2, the control section 10 requires data input means for inputting a user's leg length and the like, but a limit switch is provided.
- the coupling machine 4 is configured so that the seat member 2 moves parallel to the gantry 1 with the seat member 2 standing substantially vertically. That is, the coupling mechanism 4 includes a guide rail 46 provided on the upper surface of the gantry 1, and the lower end of the seat member 2 runs along the guide rail 46.
- the foot position and the direction of the foot are determined by the tread plate 3.
- the guide rail 46 is provided on the straight line connecting the predetermined position of the gantry 1 and the tread plate 3, and the seat member 2 travels along the guide rail 46, so that the distance between the buttocks and the toes of the user M is increased. And the knee joint is flexed and stretched. That is, the load acting on the legs due to the weight of the user M is changed by changing the distance between the seat member 2 and the tread plate 3. Even in this configuration, the guide rail 46 Accordingly, the moving direction of the seat member 2 is restricted to the bending direction of the knee joint. In this modification, it is assumed that the user M actively moves the seat member 2, but the driving member may move the seat member 2.
- a load is applied to only one leg, but a guide rail in two directions may be provided so as to apply a load to both legs.
- Other configurations and functions are the same as those in the above embodiment. Since the relative position between the foot position and the position of the center of gravity only needs to change, whichever of the seat member 2 and the tread plate 3 is moved, the tread plate 3 slides with respect to the seat member 2. It may be moved freely.
- the leg training apparatus of the present embodiment may be provided with a load sensor that detects a load acting on a leg (mainly a thigh) of the user.
- the load sensor is provided at at least one position in the post 21 just below the saddle 22 and the left and right treads 3. That is, a load sensor may be provided on at least one of the seat member 2 and the tread plate 3 which are support portions.
- the load detected by the load sensor 11 is preferably displayed in real time on the display unit 13 via the display information processing unit 12.
- the display information processing unit 12 and the display unit 13 function as a load change notification unit, and the load detected by the load sensor 11 (the load acting on the user's leg) is displayed in real time.
- Appears on 13 As the format of the display on the display unit 13, in addition to displaying the number corresponding to the load, a graph display showing the elapsed time of the load as a line graph, or a bar display in which the bar length changes according to the load
- a meter display having a semi-circular display area and changing the angular position of the pointer depending on the load can be used.
- a bar display or a meter display is desirable. With a bar display or a meter display, it is easy to arrange a mark indicating a target range described later.
- a display unit 13 is provided as a load change notification means to visually indicate the change in load, but an audible sound with a frequency of (g) is provided to the user. The time change may be notified audibly.
- the user can easily determine whether the exercise load is appropriate and whether the load is sufficient or not. In some cases, it is possible to adjust the load appropriately by adjusting the device or shifting the position of the body by the user. You.
- the display information processing unit 12 calculates the weight of the body weight value input from the input unit 14 with the load sensor 11 and obtains the percentage of the 7 pound load, and gives this percentage to the display unit 13 to give the muscle metabolic rate. It is preferable to display it as a guideline.
- an appropriate range of the load suitable for exercise is determined by considering not only the weight but also the age and gender. If the range is also displayed on the display unit 13, the user can continue exercising so that the load (the value obtained by dividing the load applied to the leg by the weight) is kept within an appropriate range. Will be possible. That is, it is possible to prevent the user from becoming overloaded by knowing the appropriate range of the load.
- a database is created in advance that combines the attributes of the user and the appropriate range of the load, and the attributes of the user are input from the input unit 14. When this is done, it is desirable to automatically read the appropriate range of load from the database.
- an appropriate load range is displayed on the display unit 13 simply by inputting the user attribute from the input unit 14, and the load It can be displayed in a form that can be compared with the load detected by the sensor 11.
- the feedback processing unit 15 has a function of giving an instruction regarding the operation of the motors 6 to 9 to the control unit 10, and specifies the load on the legs obtained from the load detected by the load sensor 1 ”I. Instructs the operation of the motors 6 to 9 so that they are kept within the target range, that is, feedback is made to 5 so that the load acting on the user's legs is maintained within the target range without the user's awareness.
- the target range is determined based on the attributes of the user input from the input unit 14.
- the attributes of the user are also used in the feedback processing unit 15.
- a database with a target range of the load is provided, and when the attribute of the user is input from the input unit 14, the target range is extracted by collating with the data pace. Weight, age, gender, presence or absence of disease, disease name, exercise By automatically determining the target range based on attributes such as the history, it becomes possible to apply a proper load to the user by reducing the target range.
- the target range can be set appropriately regardless of the weight difference of each user.
- the load that detects the load acting on the tread 3 A sensor (not shown) is provided to measure the own weight using the output of the load sensor, and the feedback processing unit 15 uses the own weight to avoid deviating from the predetermined target range (ie, 40 to 60%). Monitor the output of the load sensor, and if the self-weighting ratio detected by the load sensor deviates from the target range, change the maximum inclination angle of the seat member 2 so that the load can be kept within the target range.
- a back may be provided on the saddle 22 of the leg training apparatus according to the embodiment. The provision of the back can prevent the user from leaning backward and reducing the amount of movement of the center of gravity. it can.
- the upper surface of the tread plate 3 is inclined forward and downward (for example, approximately 10 ° with respect to the gantry).
- a configuration may be adopted.
- the effect of reducing the shearing force of the knee joint is provided, so that the leg training can be performed with the heel higher than the toe.
- the inclining member 31 is detachably mounted on the tread 3. The inclination angle and the inclination direction may be adjusted.
- a toe clip portion 32 is provided as a displacement prevention member to prevent the position of the foot from shifting when a load acts on the foot due to the inclination of the seat member 2. I have.
- the upper surface of the inclined member 31 is provided with a non-slip portion 33 for preventing the sole from slipping. 3 also functions as a displacement prevention member. Specifically, a raised portion is provided on the upper surface of the inclined member 31 or a non-slip portion 33 having a large friction coefficient is provided by providing a non-slip groove or a ridge. It is possible to form a non-slip portion 33 with a material having a large friction coefficient.
- the swing direction of the seat member 2 can be made to match the bending direction of the knee joint, and the generation of knee pain can be suppressed by the flutter.
- the entire fixed surface does not have to be inclined.
- the toes may be supported on a horizontal surface without tilting.
- the upper surface of the tilt member 31 on the pair of right and left treads 3 is tilted downward in a direction to approach each other in the left and right direction or away from each other. Is preferred.
- the inclined member 31 may be rotatably attached to the tread.
- a measuring means for measuring a physiological measurement value related to the metabolic rate, a metabolic rate obtained from the physiological measurement value measured by the measuring means, an evaluating means, It is preferable to provide an operation control means for operating the leg training apparatus by changing the operation / ⁇ ° turn at a time, and pairing and storing each operation pattern with the metabolic rate obtained by the evaluation means.
- the evaluation means uses a physiological factor based on one of the volume of the muscle involved in the exercise in the leg training device and the volume of the red muscle in the muscle involved in the exercise in the leg training device as a weighting factor. It is preferable to weight the measured values and use the weighted physiological measured value as the metabolic rate.
- physiological measurements related to metabolic rate are actually measured while changing the motion pattern of the leg training device, and an operation pattern that increases the metabolic rate is extracted from the measurement results.
- the leg training apparatus is operated based on this operation pattern.
- a technique for extracting a motion pattern that increases the metabolic rate will be described.
- the action determination device shown in FIG. 20 is used.
- This device includes motion control means 60 provided on the leg training device for controlling each motor (6, 7, 8, 9), and the motion control means 60 is mainly a microcomputer like the control unit. It is a component.
- the operation control unit 60 does not receive an operation pattern from a storage unit or the like, but generates various operation patterns in the operation control unit.
- the operation control means has a function of storing the generated operation pattern together with the time. It is possible to select the motion pattern from a plurality of types of motion patterns set in advance.However, the motion pattern is generated irregularly within the allowable range of the motion by the leg training device. May be.
- the physiological measurement value related to the metabolic rate one of the muscle metabolic rate by near-infrared spectroscopy and the muscle contraction degree by myoelectricity is used.
- a near-infrared spectroscope 61 as a measuring means is provided, and a near-infrared light transmitting / receiving prop is formed so as to be fixed to the thigh.
- the measurement of muscle metabolism by near-infrared spectroscopy utilizes the difference in the absorbance of near-infrared light between oxygenated hemoglobin and deoxygenated hemoglobin. (Mean metabolism) is a change in muscle metabolism, and oxygen is required for sugar combustion, so muscle metabolism is an alternative index of glucose metabolism.
- the muscle metabolism as a physiological measurement value is input to the evaluation means 62, and the evaluation means calculates the ratio with the value of the muscle metabolism at rest. Since the near-infrared spectrometer calculates the partial oxygen consumption of the muscle, the evaluation means used the near-infrared spectrometer using the volume of the muscle as a weighting factor to determine the muscle metabolism in the entire muscle. Weight partial muscle metabolism o. Muscle metabolism
- the muscle volume as the weight coefficient means the volume of the muscle involved in the exercise in the leg training apparatus.
- large-scale equipment such as MRI is required to actually measure muscle volume, which requires enormous cost and labor, so data generally known in the literature may be used.
- the thigh extension muscle group is 5 OOm1
- the adductor muscle group is 250m1
- the muscle metabolism per unit volume is the same, contracting the thigh extension muscles can increase muscle metabolism as a whole muscle twice as much as contracting the adductor muscles. You. In other words, in order to increase muscle metabolism, an action butterfly that contracts the thigh extension muscles is used.
- Tables 4 and 5 show the evaluation results of the evaluation method for the two types of motion / ⁇ ° turn, respectively.
- the movement pattern is correlated with the metabolic rate, and the leg is adjusted so that the metabolic rate becomes an appropriate value.
- the appropriate value of the metabolic rate is the maximum value of the metabolic rate obtained when the amount of energy given to the human body by the movement pattern is constant.
- the power consumption of the leg training device can be used as a substitute value.
- an electromyograph is connected to the operation control means in place of the near-infrared spectrometer, and the physiological measurement value is an integrated value of the discharge in a predetermined time or a muscle value.
- the ratio with the integrated value of myoelectricity for a predetermined time at the time of maximum contraction is used.
- muscles related to glucose metabolism are mainly red muscles, weighting based on the volume of the red muscles should allow for more accurate evaluation of glucose metabolism during exercise using leg training equipment. Is included.
- the operation control means can set an upper limit value of the instantaneous value of the exercise load, and automatically generates an operation pattern in a range satisfying a condition that the instantaneous value of the exercise load is equal to or less than the upper limit value. At this time, appropriate fluctuations are given to the operation of each motor, and the optimal solution (maximum muscle metabolism within the allowable range of the operation pattern) is approached using multivariate analysis technology or neurocomputer technology. Change the operation pattern in real time. By performing such control, it is possible to determine an action / ⁇ ° turn at which the muscle metabolism is substantially maximized within a range not more than the upper limit of the instantaneous value of the exercise load.
- the action pattern is changed in the direction of increasing the metabolic rate.However, the appropriate value of the metabolic rate is set in advance as a value other than the maximum value, and the action pattern is set so that the metabolic rate approaches the appropriate value. You may make it converge.
- the leg training device is a device for allowing a user to actively perform leg training without using a driving source as shown in FIG. That is, in the first embodiment, the motors 6 to 9 are used as the driving sources so that the user can passively receive the leg training without actively moving the body.
- the seat member 2 and the tread plate 3 are attached to the gantry 1 via the coupling mechanisms 4 and 5, respectively, but no drive source is provided.
- the coupling mechanism 5 for coupling the tread plate 3 to the gantry 1 is formed using a pantograph 51 so as to be movable in the vertical direction as in the first embodiment.
- the post part 21 constituting the seat member 2 is extendable and retractable, and is connected to the post 21.
- the saddle 22 can be inclined in the front-rear direction around a left-right axis (one axis). However, the post 21 can be extended and retracted to adjust the height of the saddle 22, and the saddle 22 can be inclined by providing the weight 25 or the ball joint 26 described in the first embodiment. It is supported by.
- the reason why the pantograph 51 is provided in the coupling mechanism 5 is to change the height position of the tread 3 in accordance with the change in the inclination angle of the seat member 2 as in the first embodiment.
- the seat member 2 and the tread plate 3 are mechanically linked by a combination of the link and the cam that constitute the coupling mechanisms 4 and 5. That is, the coupling mechanisms 4 and 5 are configured so that the height position of the tread 3 changes when the inclination angle of the seat member 2 with respect to the gantry 1 changes.
- the leg training apparatus of the present embodiment it is necessary for the user to move the body actively (actively), and the user who sits on the saddle 22 with his feet on each tread 3
- the seat member 2 tilts with respect to the gantry 1, and at this time the treadle 3 moves downward, almost changing the bending angle of the knee joint.
- the load acting on the legs due to the user's own weight can be increased.
- the coupling mechanisms 4 and 5 may have a built-in spring to return to the original position, but it may be configured to return with the force of the user's own legs.
- the direction in which the seat member 2 tilts is limited to two planes including the saddle 22 and each tread plate 3 by the coupling mechanism 4, whereby the direction in which the seat member 2 tilts (the foot position of the user).
- the displacement direction of the relative position between the center and the center of gravity) is limited to the bending direction of the knee joint.
- the coupling mechanism 4 includes a hemispherical guide body 41, and the lower end of the seat member 2 is slidably coupled to a rail groove 42 provided in the guide body 41. Further, a return spring 43 is provided to bias the spring so as to return the lower end of the seat portion 2 to the upper end position of the guide body 41. According to this configuration, when the lower end of the seat member 2 moves along the rail groove 42, the inclination angle of the seat member 2 increases, and the upper end of the seat member 2 has an arcuate shape centered on the spherical surface of the guide body 41. You will move in orbit.
- the rail groove 42 is formed in one plane.
- the guide body 41 can be rotated in the plane parallel to the gantry 1 and the guide member 41 is used after adjusting the rotation position of the guide body 41 so that the direction in which the seat member 2 falls is the direction of each tread plate 3. The person can exercise so as to apply a load to each leg.
- the guide body 41 is fixed at a fixed position with respect to the gantry 1, and rail grooves 42 are formed in two planes so as to face each of the treads 3).
- the tread plate 3 may be omitted from the leg training device. That is, as shown in FIGS. 23A and 23B, the coupling mechanism 4 is provided so that the seat member 2 can be inclined with respect to the gantry 1, but the tread plate 3 is omitted. Accordingly, the user M places the feet on the floor on which the gantry 1 is installed or on the gantry 1, places the feet on the seat member 2, and sits on the saddle 22. If the configuration shown in FIG. 22 is adopted as the coupling mechanism 4, the swing direction of the seat member 2 can be restricted. However, since the tread plate 3 is not provided, there is no standard for matching the position of the foot and the direction of the foot with the swinging direction of the seat member 2.
- the gantry 1 in the coupling mechanism 4, is provided with a directional support plate 44 rotatable in a plane parallel to the upper surface of the gantry 1, and an arrow-shaped mark 45 is written on the directional support plate 44.
- the mark 45 is included in the plane including the rail groove 42 of the coupling mechanism 4 described with reference to FIG. 22. Therefore, when the foot is placed on the extension of the mark 45, the direction in which the seat member 2 Can be matched to the bending direction of the knee joint.
- the seat member 2 when the seat member 2 is inclined as shown in FIG. 23B from the state where the seat member 2 is substantially perpendicular to the gantry 1 as shown in FIG. 23A, the inclination direction of the seat member 2 is changed to the rail groove 42. As a result, the bending direction of the knee joint is included in the plane in which the seat member 2 swings.
- the figure shows a configuration in which the seat member 2 swings in only one direction, the seat member 2 is configured to swing in two directions so that loads can be alternately applied to both legs. May be.
- the guide body 41 can be used as the gantry 1. In that case, it is preferable to provide a direction support plate 44 on the peripheral surface of the guide body 41.
- the distance between the lower end of the seat member 2 and the tread plate 3 is kept almost constant by making the tread plate 3 movable only in the vertical direction. That is, as shown in FIGS. 24A and 24B, the stand 1 stands on the guide holes 3a provided at the four corners of the plate-shaped tread plate 3; and passes through four guide bins 3b. As a result, the tread plate 3 Move only up and down along b. In this case, if the connecting member 7 ⁇ is immovably fixed to the seat member 2 and the tread plate 3, the seat member 2 cannot be tilted with respect to the gantry 1.
- the hinges 71 and 72 such as ball bearings, are provided at the positions where the hinges 71 and 72 are connected to the tread 3 and the tread 3, respectively.
- the angle formed between the seat member 2 and the connecting member 70 and the angle formed between the tread plate 3 and the connecting member 70 can be arbitrarily changed, respectively. Can be moved up and down.
- the same operation as the configuration shown in FIG. 24A can also be realized by the configuration shown in FIG. 25 in which the tread plate 3 is attached to the gantry 1 via a pantograph 3c that can be extended and contracted only in the vertical direction.
- FIG. 26 it is preferable to adopt a configuration in which the tread plate 3 is pivotally connected to the rear position of the user by the hinge 3e and is mounted on the upper surface of the front end of the link 3d.
- the lower end of the connector 70 is connected to the front end of the link 3 d via the hinge 2.
- the link 3d is a rigid body, and if the length of the link 3d is set to be sufficiently large so that the tread 3 moves substantially only in the vertical direction, the configuration example shown in FIGS. Similarly, the moving direction of the user's foot can be restricted in the vertical direction.
- the positions of hinges 71 and 72 provided at both ends of the joint body 70 are positioned on the side of the hip joint J2 and the side of the ankle joint J3. It is preferable to do so. That is, the hinge 71 is provided above the saddle provided at the upper end of the seat member 2, and the hinge 72 is provided above the upper surface of the tread plate 3. Further, in order to prevent the positions of the hip joint J2 and the foot joint J3 from being displaced from the positions of the hinges 71 and 72, a restraint such as a belt may be provided on the saddle and the tread plate 3.
- the wire 75 connects the fixed position of the upper end portion of the seat member 2 and the fixed position of the tread plate 3, and the wire 75 passes through the rear of the seat member 2 and is connected to the tread plate 3. It is wrapped around the pulleys 6 to 78 fixed at a fixed position with respect to the gantry 1 so as to be connected to the tread plate 3 from below.
- pulley 76 After 7 ⁇ , turn to the bottom by pulley 76, turn to the end of pulley, turn to the end when pulley is over, turn forward to pull on pulley 78, and finally upward by pulley 78. Turn and connect to tread 3.
- Seat member 2 When the vehicle is tilted right forward and left forward from the position in which it is in the upright posture with respect to the gantry 1, the direction of the wire 75 from the seat member 2 to the pulley 76 swings right and left. Therefore, it is desirable that the pulley 6 should be attached to the gantry 1 in such a manner as to allow left and right run-out.
- one pulley 76, 77 can be used as one.
- a return spring 75 as an elastic member is arranged between the gantry 1 and the tread plate 3 so that a downward load is applied to the tread plate 3.
- a configuration in which the spring force against the downward load on the tread plate 3 acts on the tread plate 3 by compressing the return spring 9 may be adopted. With this configuration, when returning from the inclined posture of the seat member 2 to the upright posture, the spring force of the return spring 9 can be applied to the seat member 2 via the connector 70.
- another elastic member such as urethane foam is used instead of the return spring 79.
- the leg training apparatus uses a seat 28 suspended from the gantry 1 via an arm 27 as a support for holding the user, as shown in FIG. 3 OA and FIG. 3 OB. It is characterized by.
- the seat 28 corresponds to a saddle, and by appropriately configuring a coupling mechanism (not shown) that connects the gantry 1 and the arm 2, the seat 28 is moved as described above in the same manner as the saddle 22 in each embodiment. Can be done.
- the upper end of the arm 27 is pivotally pivotally attached to the gantry 1, and the seat 28 moves like a pendulum.
- the movement direction of the seat 28 is restricted by the bending direction of the user's knee joint, and the foot position and the direction of the foot of the user M are determined by the tread plate 3 connected to a part of the gantry 1.
- the displacement of the relative position between the position of the center of gravity of the user M and the position of the foot is limited in the bending and extension directions of the knee joint.
- a torso holding member 80 for suspending and holding a user's torso and a tread plate 3 on which a user's feet are placed are included. Is movably connected to a base (top plate) 1 tilted forward through
- the torso holding member 82 includes an extendable waist holder 83 for holding the user's waist, and a wire 84 having a predetermined length with the waist holder attached to one end and the other end fixed to the top plate. Including.
- the other end of the waist holder 83 is held by a Y-shaped guide rail 85 provided on the top plate 1 via a slider 86 so as to be slidable.
- the length of the wire 84 hanging down from the top plate decreases when the user slides in the forward direction of the top plate 1 held by the torso holding member 80 and tilted forward. Move upward. In this case, the greater the user's sliding movement distance to the front, the greater the lifting amount of the user.
- a spring 87 having one end fixed to the slider 86 and the other end fixed to the top plate 1 is provided, and this spring is extended by the user moving forward. Therefore, as the user moves forward, the force acts in the direction of returning to the initial position (rearward) due to the spring restoring force. At this time, the length of the wire 84 hanging from the top plate increases, and the user moves downward.
- the displacement of the relative position between the user's center of gravity and the foot position can be flexed and extended by the knee joint. It can be restricted to the direction.
- the tread plate 3 is fixed, but the tread plate 3 may be movable in at least one direction in the vertical direction and the horizontal direction. Further, an interlocking means for operating the tread 3 in synchronization with the operation of the body holding member 80 may be provided.
- This leg training apparatus performs training of the legs by actively exercising while the user puts his / her feet on the tread.
- the drive means for swinging the torso holding member 80 is provided.
- the device may be configured to passively perform leg training.
- an auxiliary drive source for driving the tread plate is provided in addition to a drive source for swinging the fuselage holding member, and these drive sources are synchronized and controlled by the control means. Therefore, it is possible to provide the user with more effective leg training.
- the leg training apparatus includes a base 100, a column 110 fixed to the base, and a seat 120 for holding the buttocks of the user. It comprises a coupling mechanism 130 disposed between the column and the sheet, and a pair of treads 140 fixedly disposed in front of the column.
- the coupling mechanism 130 for oscillating the sheet 120 includes a reciprocating linear movement in the front-rear direction, a reciprocating rotation movement (pitching) around the left and right axes, and a reciprocating rotation movement (rolling) about the front-rear axis. As shown in FIG.
- the links 133 and 134 are respectively connected to the fixed plate 13 1 and the movable plate 13 2 so as to be rotatable around a left-right axis.
- the horizontal distance between the connecting position of the link 1 33 to the fixed plate 1 3 1 and the connecting position of the link 1 34 to the fixed plate 1 3 1 is the movable position of the link 1 3 3 to the movable plate 1 32 It is set shorter than the horizontal distance between the connection position of the link 1 34 to the plate 1 32. Therefore, when moving to the right (back of the seat) in FIG. 33A, the front end of the movable plate “132” takes an inclined posture that is slightly higher than the rear end, and the movable plate “1” is positioned at the center position in FIG. 32 has a substantially water ⁇ posture, and furthermore, when moving to the left (front of the seat) in Fig.
- the movable plate 1 32 can have an inclined posture in which the front part of the movable plate 32 is slightly lower than the rear end part.
- the upper surface of 20 does not necessarily have to be aligned with the movable plate 13 2.
- the output of the drive source is transmitted to the movable plate 132 via a transmission mechanism such as a cam crank.
- Each of the treads 140 has an upper surface that is inclined at approximately 10 degrees toward the side (toe direction). Also, when a load is applied to the tread plate 140 from above by the function of a built-in panel (not shown), the tread plate 140 can be lowered at a height of approximately 2 mm to 3 Omm. Further, the left and right treads are not arranged in parallel, and are arranged so that the axes intersect at a predetermined angle as shown in FIG. 33B. The crossing angle of the tread is determined so as to substantially coincide with the crossing angle of the trajectory in the driving locus of the driving means. That is, the movement trajectory of the coupling mechanism has a substantially figure-eight shape when viewed from above. Further, the left side of FIG.
- the axial direction of the right tread plate toward the front direction is substantially the same as the movement direction during the period of moving to the right front of the coupling mechanism.
- the axial direction of the left tread is almost parallel to the direction of movement during the period when the coupling mechanism moves to the left front.
- the leg training apparatus shifts the center of gravity of the user in the direction of extension of the knee joint during the period in which the load on the leg increases. That is, the shear load on the knee joint can be reduced by making the movement trajectory of the coupling mechanism coincide with the extension direction of the knee joint at least during the period of driving forward (the period of increasing the load on the leg).
- the coupling mechanism 130 After the maximum load is applied to the leg, the muscle around the knee joint contracts enough to fix the knee joint, and the movement trajectory of the coupling mechanism always coincides with the extension direction of the knee joint. You don't have to. Further, a mechanism that regulates the moving direction only in the front-rear direction may be used as the coupling mechanism 130.
- the leg training device includes a base 2 ⁇ 0, a column portion 210 that is movably held by the base, and in which a driving device is housed.
- a sheet 220 for holding the buttocks of the user a coupling mechanism 23 O for connecting the strut and the sheet, a pair of treads 240 fixedly arranged in front of the strut, and a gap between the sheet and the tread.
- the driving device housed in the support portion 210 is housed in a gear box 201 that is attached to the base 200 so as to be rotatable in the left-right direction. That is, the shaft 203 is rotatably held in the gear box 201, and the gear A attached to the rotation shaft of the motor 202 engages with the reduction gear B attached to the shaft 203.
- the rotation of the shaft 203 provided via the reduction gear B is transmitted to the frame 206, the frame 20 and the frame 208 via the K cam 204 and the connecting plate 205, and consequently the front and rear of the sheet 220 is moved up and down. Directional motion is created.
- the movement locus of the sheet viewed from above can be a V-shaped, W-shaped, or octagonal trajectory.
- two links 250 are installed at the left and right via a joint 242 in front of the mounting member 241 fixed to the frame 20 and connected so that the tread plate 240 moves up and down with a joint 243 and a fulcrum 244. Is done.
- the right tread 240 similarly sinks downward
- the left tread 240 similarly sinks downward.
- 3 ⁇ 4 Form a trajectory.
- the displacement of the relative position between the position of the center of gravity of the user and the position of the foot can be limited to the bending and stretching direction of the knee joint.
- the positions of the left and right joints 242 may be moved toward the left and right center lines.
- each of the treads is movably held through a spring material having a panel characteristic so that the sinking amount of the seat 220 becomes the same as the sinking amount of the seat 220 with a load approximately half the weight of the user. .
- the seat 220 includes a projection 22 "1.
- a projection 22 "1 For receiving the buttocks and the waist of the user, and a notch 222 provided on the left and right front so that the thigh can be fitted in a sitting posture.
- the height of the seat can be adjusted according to the height and sitting height of the user, as shown in FIGS. 36A and 36B, and the height of the seat and the height of the seat can be adjusted.
- the horizontal distance between the hips and the buttocks of the child increases as the height of the seat increases (D1-D2), so that users of different heights can train their legs in an appropriate sitting posture. Can be provided.
- the exercise provided by the leg training device described above does not merely shake the user's mind, but tries to maintain balance with the head against the swing and protect himself from the swing. 5 Exercise with muscle tension to allow the user to exercise, so that both the lower back and thigh muscles of the user can be stressed, and the strength and metabolism of both the torso and lower limbs (blood flow and Lymph flow).
- a tread 240 ′ as shown in FIG. 37 may be used.
- a first movable plate 261 and a second movable plate 262 are rotatably held by a base 260 and a step stand 263, respectively.
- the first movable plate 261 and the second movable plate 262 are movably connected by pins 264.
- the base 260 and the step table 263 are connected by a pin 265, and a spring 266 is disposed between them.
- the support portion is movable with respect to the base so that the load acting on the leg portion by the user's own weight is reduced by the displacement of the relative position between the user's foot position and the center of gravity.
- the support unit is moved (3 ⁇ 4), the displacement direction of the relative position between the foot position and the center of gravity is limited to the approximate bending and extension direction of the knee joint when they are connected and the load on the legs increases at least.
- a restriction is imposed, if a configuration in which the user sits on the seat member 2 is adopted, considering that the center of gravity is located in front of the buttocks, the center of gravity of the shid is set to the IS seat member.
- the position of the user's foot and the "center of the seat member" can be replaced. Due to the displacement of the position relative to the forward position, the load acting on the legs due to the user's own weight is reduced.
- the supporting part is movably connected to the base so as to change, and at least when the load on the legs increases, the displacement direction of the relative position between the foot position and the center position or the front position of the seat member is changed to the knee direction. This is equivalent to restricting the movable direction of the supporting portion so as to be restricted to the approximately bending direction of the joint.
- leg training apparatus of the present invention it is possible to apply a relatively light load to the muscles of the legs including the thighs while supporting a part of the weight of the user with the support. And thereby promote thigh muscle contraction, which is effective in promoting glucose metabolism.
- leg training apparatus it is possible to provide appropriate leg training to a user whose motor function is reduced due to a decrease in muscle strength, joint pain, or the like.
- the direction of displacement of the relative position between the foot position and the center of gravity is restricted to the bending and extension direction of the knee joint.
- the direction in which the load is applied can be limited to the direction in which the center of the knee and the second finger of the foot are connected. If the load acts in this direction, even if the user has pain in the knee joint such as knee osteoarthritis, there is no need to worry about adverse effects such as pain and worsening of the symptoms, and leg training can be performed with confidence. Can be performed.
- the leg training apparatus of the present invention is not only suitable as an exercise aid suitable for prevention of lifestyle-related diseases, but also suitable for exercise-up / diet exercises, as well as for users with knee diseases. It is expected to be widely used to provide appropriate leg strength training for users who need rehabilitation exercises for the leg.
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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EP04745385A EP1629868A4 (en) | 2003-05-21 | 2004-05-21 | BEINTRAINIERVORRICHTUNG |
US10/557,401 US8323156B2 (en) | 2003-05-21 | 2004-05-21 | Leg training equipment |
JP2005506884A JP4148262B2 (ja) | 2003-05-21 | 2004-05-21 | 脚部トレーニング装置 |
KR1020057022095A KR100661072B1 (ko) | 2003-05-21 | 2004-05-21 | 다리 운동 장치 |
CNB2004800170632A CN100540096C (zh) | 2003-05-21 | 2004-05-21 | 腿部训练设备 |
HK06110704.0A HK1089984A1 (en) | 2003-05-21 | 2006-09-26 | Leg portion training device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2003144013 | 2003-05-21 | ||
JP2003-144013 | 2003-05-21 |
Publications (1)
Publication Number | Publication Date |
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WO2004110568A1 true WO2004110568A1 (ja) | 2004-12-23 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/007344 WO2004110568A1 (ja) | 2003-05-21 | 2004-05-21 | 脚部トレーニング装置 |
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US (1) | US8323156B2 (ja) |
EP (1) | EP1629868A4 (ja) |
JP (3) | JP4148262B2 (ja) |
KR (1) | KR100661072B1 (ja) |
CN (1) | CN100540096C (ja) |
HK (1) | HK1089984A1 (ja) |
TW (1) | TWI254627B (ja) |
WO (1) | WO2004110568A1 (ja) |
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Also Published As
Publication number | Publication date |
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CN1809403A (zh) | 2006-07-26 |
JPWO2004110568A1 (ja) | 2006-07-20 |
KR20060015611A (ko) | 2006-02-17 |
US8323156B2 (en) | 2012-12-04 |
JP4148262B2 (ja) | 2008-09-10 |
HK1089984A1 (en) | 2006-12-15 |
TWI254627B (en) | 2006-05-11 |
JP5149940B2 (ja) | 2013-02-20 |
JP2010221066A (ja) | 2010-10-07 |
US20060229170A1 (en) | 2006-10-12 |
KR100661072B1 (ko) | 2006-12-22 |
EP1629868A4 (en) | 2008-08-13 |
EP1629868A1 (en) | 2006-03-01 |
JP2007181731A (ja) | 2007-07-19 |
TW200425875A (en) | 2004-12-01 |
CN100540096C (zh) | 2009-09-16 |
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