WO2003105969A1 - Planche d'exercice - Google Patents

Planche d'exercice Download PDF

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Publication number
WO2003105969A1
WO2003105969A1 PCT/AU2003/000729 AU0300729W WO03105969A1 WO 2003105969 A1 WO2003105969 A1 WO 2003105969A1 AU 0300729 W AU0300729 W AU 0300729W WO 03105969 A1 WO03105969 A1 WO 03105969A1
Authority
WO
WIPO (PCT)
Prior art keywords
user
platform
board
sensor assembly
sensor
Prior art date
Application number
PCT/AU2003/000729
Other languages
English (en)
Inventor
Gordon Waddington
John Eisenhuth
Original Assignee
The University Of Sydney
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by The University Of Sydney filed Critical The University Of Sydney
Priority to AU2003233253A priority Critical patent/AU2003233253A1/en
Publication of WO2003105969A1 publication Critical patent/WO2003105969A1/fr

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Classifications

    • 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
    • A63B21/0004—Exercising devices moving as a whole during exercise
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • 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
    • A63B22/18—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
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • 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
    • A63B22/0025—Particular aspects relating to the orientation of movement paths of the limbs relative to the body; Relative relationship between the movements of the limbs
    • A63B2022/0033—Lower limbs performing together the same movement, e.g. on a single support element
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • 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
    • A63B2220/16—Angular positions

Definitions

  • the present invention concerns a tiltable board, a sensor assembly and a sensor assembly to be used in conjunction with a tiltable board.
  • the present invention further concerns a method of using the tiltable board and sensor assembly as a training board to train one or more limbs of a user.
  • wobble board training programs have had significant improved effects. For example, programs designed to improve ankle "co-ordination" have resulted in participants from the wobble board trained groups exhibiting less ankle injury than non wobble board trained control groups. Similarly, soccer players undertaking proprioceptive training programs have shown significant reduction in knee injuries than non wobble board trained control groups. Moreover, links have been established relating poor movement discrimination to a higher rate of injury.
  • the subject stands on either one or both legs centred over the fulcrum and attempts to balance ie. maintain the disc surface parallel to the ground for as long as required.
  • the present invention is directed to an improved training board system. Any discussion of documents, acts, materials, devices, articles or the like which has been included in the present specification is solely for the pu ⁇ ose of providing a context for the present invention. It is not to be taken as an admission that any or all of these matters form part of the prior art base or were common general knowledge in the field relevant to the present invention as it existed in Australia before the priority date of each claim of this application.
  • the present invention is a tiltable board comprising: a platform having a first surface, a second surface and an outer edge defining a shape; and a supporting element, mounted on the second surface of the platform, the supporting element including a pivoting means to allow tilting of the platform from a starting orientation by a user manipulating the platform at at least one of a plurality of locations; wherein the shape of the platform results in the platform having differing degrees of maximum tilt relative to the starting orientation depending on the chosen location of manipulation of the platform by the user.
  • the supporting element preferably includes at least a spherical section, more preferably a dome.
  • the dome is metallic.
  • the dome preferably has a depth between about 25 mm and about 75 mm, more preferably about 50mm.
  • the dome preferably has at its widest aspect, a radius between about 70 mm and about 220 mm, more preferably about 145 mm.
  • the dome has a periphery defined by the circumference around its widest aspect.
  • the dome preferably has an attaching flange extending outwardly preferably about a further 12 mm from the periphery.
  • the supporting element is centrally mounted to the second surface of the platform.
  • the supporting element is attached to the platform with screws that penetrate through the flange.
  • the supporting element is not centrally mounted to the second surface of the platform.
  • the join between the supporting element and the second surface defines a substantially circular periphery. More preferably the join between the supporting element and the second surface defines a circular periphery. In a further embodiment, the join between the supporting element and the second surface may not define a circular periphery. The join may define a substantially frusto-conical section. In a still further embodiment the supporting element further includes at least one strut. The strut or struts may be intermediate the spherical section and the second surface of the platform.
  • the supporting element may incorporate a spring, a damper or some combination of the two to enable movement in a third dimension.
  • the movement may be sensed using displacement sensors, velocity sensors or accelerometers.
  • the platform preferably has a truncated elliptical shape with a major axis and a minor axis.
  • the truncations are parallel to the major axis of the platform.
  • the truncations are parallel to the minor axis of the platform.
  • the platform preferably has a length between about 285 mm and about 860 mm, more preferably between about 430 mm and about 720 mm, and more preferably about 575 mm.
  • the platform preferably has a width between about 285 mm and about 475 mm, more preferably between about 330 mm and 430 mm, still more preferably about 380 mm.
  • the perpendicular distance between the major axis and the truncated sides is about 190 mm.
  • the platform has a polygonal shape or a rounded rectangular shape.
  • the maximum tilt is preferably between about 12° and about
  • the first surface of the platform may consist of a slip resistant material to retain the contact between the user and the board when the user is manipulating the board.
  • the slip resistant material is applied in strips to the first surface of the platform.
  • the slip resistant material is applied to cover at least the first surface of the platform.
  • the slip resistant material is a paint applied to at least the first surface.
  • the slip resistant material may be an adhesive material.
  • the supporting element has a surface with a slip resistant material applied to that surface.
  • the surface of the supporting element is smooth.
  • the surface of the supporting element may have indentations.
  • the starting orientation is relative to the surface on which the tiltable board is positioned.
  • the tiltable board may be positioned on the ground or may be mounted to a wall or ceiling.
  • the platform may be made from a medium density fibre board, a particle board, a high density plastics material, or a reinforced polymer, such as fibreglass, or a metal such as aluminium.
  • the platform and supporting element are integrally formed from a piece of moulded plastics to reduce the weight of the board.
  • the thickness of the platform is preferably between about 9 mm and about 27 mm, more preferably about 18 mm.
  • the tiltable board is used as a training board.
  • the first surface of the platform is defined by its circumference.
  • a tube or hollow space around this circumference may be filled with water or similar fluid to act as a further challenge when the user tilts the board.
  • the present invention is a sensor assembly to be used in conjunction with a tiltable board having a platform that can be manipulated by a user from a starting orientation, the sensor including: a housing; and a sensor, mounted within the housing and operable to produce a sensed output, wherein the sensed output is indicative of the degree of tilt of the platform relative to the starting orientation.
  • the senor is a tilt sensor, or a sensor employed as a tilt sensor.
  • the degree of maximum tilt of the platform that can occur on manipulation of the platform is dependent on the chosen location of manipulation of the board by a user.
  • the sensor assembly includes a user input means to enable a user to communicate with the sensor assembly.
  • the user input means includes at least one user interface switch.
  • the user input means includes a user touch pad.
  • the user means preferably includes facilities to turn the sensor on and off, to browse through a preprogrammed menu, to select an item from the pre-programmed menu, or to exit from the menu. The user activates the facilities via the user input means.
  • the user input means is preferably recessed into the first surface of the platform. A hinged trapdoor is preferably used to protect the user input means.
  • the user input means may be connected to a hand held device by wire, radio, light, ultrasound or voice.
  • the user input means may be voice activated to enable hands free operation.
  • the sensor assembly includes a communication means to link the sensed output and the user input. More preferably, the communication means consists of a microcontroller to read the sensed output and process signals from the user input means.
  • the sensor assembly preferably includes an interface protocol to transfer the sensed output to a peripheral device such as a PC, laptop, hand held computing device such as a palm pilot, mobile phone, or the like.
  • the interface protocol may be an RS232 port.
  • the sensed output may be transferred to the mobile phone of a user via a mobile communications network.
  • the sensed output may be transferred to a peripheral device via Bluetooth wireless technology. In such an embodiment, a Bluetooth dongle is connected to the RS232 serial port.
  • the interface protocol may consist of a signal transmission means to transfer signals to the peripheral device.
  • the signal transmission means may transmit electrical signal via copper wire, polymer wire, or the like.
  • the signal transmission means may transmit via coaxial cable or fibre optic cable.
  • the signal transmission means may transmit in a wireless mode, propagating over the infrared spectrum or radio spectrum.
  • the signal transmission means may transmit using ultrasonic frequencies.
  • the sensor assembly includes a recording means to record the sensed output produced by the sensor.
  • the recording means may include a memory chip.
  • the memory chip is an EEPROM.
  • the memory may be within the micro-controller.
  • the memory may be stored using flashRAM, or a memory card.
  • the recording means may further record user parameters.
  • user parameters may include but not be limited to 'user identification', 'run time', 'position indicator', 'balance time in minutes', 'balance time in seconds', 'balance angle', 'reaction time', 'improvement rating' and 'performance indication'.
  • Assembly settings may be recorded on the EEPROM. Assembly settings for recording may include but not be limited to: 'sensor calibration data', 'memory location of the last record saved', the 'currently selected user ID', 'run time', and 'balance angle'.
  • the microcontroller may be characterised, but not exclusively, according to the following: ultra low power, to minimise power consumption; and inbuilt functionality such as an analogue to digital conversion, digital I/O as well as features to support function such as the RS232 port, a 2 or 3 wire serial bus, an LCD monitor and user interface switches.
  • the sensor assembly includes a feedback means in communication with the communication means and the recording means to provide the user with performance related information such as 'user parameters' and 'assembly settings'.
  • the feedback means preferably includes a display screen.
  • the display screen is preferably an LCD monitor which may be recessed into the first surface of the platform and may provide the user with user performance information.
  • the feedback system for example, allows the user to determine the tilt of the board relative to the starting orientation and may establish a prescribed time as to how long the tilt must be maintained by the user.
  • the feedback system may include an auditory means to relay information.
  • the auditory means may include an alarm, or other like warning when and if the user exceeds a preset tilt angle, or to inform the user when a prescribed time has expired.
  • the auditory means may include a voice recognition system to allow the user to communicate with the feedback system.
  • the user through the user input means, may compare user performance over a time period.
  • the display screen is a computer monitor.
  • the feedback means in accordance with the preferred embodiment relays information to the computer monitor.
  • the computer monitor is viewable by the user.
  • the feedback means may include an auditory means to relay information to the user.
  • the tilt sensor is preferably a dual axes electrolytic sensor.
  • the tilt sensor is a gravitational sensor with an optical encoding means.
  • the tilt sensor is a dual axes accelerometer which converts an acceleration to an electrical signal after which it is converted to a tilt angle.
  • a visual feedback enhancement device may be attached to the platform.
  • the visual feedback enhancement device may include a visual display unit, or similar, or a vertical flexible fibreglass pole extending from a right angle strut attached to the platform.
  • the pole may be similar to a bicycle flag pole and may have a height of about 1.5 meters.
  • a spherical ball approximately 50mm in diameter may attach to the end of the pole. A user may attempt to keep the ball as stationary as possible in space to provide additional feedback to assist with training balance skills on the board.
  • a level is built into the first surface of the tiltable board.
  • the level enables the user to position the board absolutely horizontal in order to calibrate the tilt sensor.
  • the housing may be metal or may include a metal lining to electrically shield the electronics from any external interference.
  • the housing of the sensor can comprise the spherical section of the training board.
  • the platform may include a trapdoor, situated in the first surface of the platform. to access the sensor.
  • the trapdoor may be made of perspex or other transparent medium so that the LCD monitor is visible to the user.
  • the tiltable board is used as a training board and is used in conjunction with the sensor assembly that has one or more of the features of the first aspect of the present invention and its embodiments.
  • the present invention is a tiltable board system, the system comprising: a platform having a first surface, a second surface and an outer edge defining a shape; a housing; and a tilt sensor, mounted within the housing and operable to produce a sensed output, wherein the sensed output is indicative of the degree of tilt of the platform relative to a starting orientation.
  • the degree of maximum tilt of the platform that can occur on manipulation of the platform is dependent on the chosen location of manipulation of the board by a user.
  • the system preferably includes a user input means to enable a user to communicate with the sensor assembly, a communication means to link the sensed output and the user input, a recording means to record the sensed output produced by the sensor, and a feedback means in communication with the communication means and the recording means to provide the user with performance related information such as those described in the preferred embodiment of the second aspect of the invention.
  • the feedback means may be in visual, auditory or tactile form.
  • the feedback means includes an LCD monitor which may be recessed into the first surface of the platform and may provide the user with user performance information.
  • the feedback system for example, allows the user to determine the tilt of the board relative to the starting orientation and may establish a time as to how long the platform can be held within a prescribed tilt range by the user.
  • a level may be built into the first surface of the platform to enable the user to calibrate the tilt sensor.
  • the feedback system may include by way of an auditory means an alarm or other like warning when and if the user exceeds a preset tilt angle, or to inform the user when a prescribed time has expired.
  • the user, through the user input means may compare user performance over a time period.
  • the system comprises a board as described herein as the first aspect of the present invention and its embodiments, and a sensor assembly as described herein as the second aspect of the present invention and its embodiments.
  • the system is used for simulation game purposes.
  • the system may include a processing means, whereby the sensed output is relayed to the processing means.
  • the processing means may include a computer to provide a virtual reality interface, via a monitor or screen. Auditory means may be included in addition to visual means.
  • the board may act as a joystick. Manipulation of the board as a joystick, may be in response to a simulated environment as seen by the user on the monitor.
  • the environment may include but not be limited to a cross-country or slalom course for skiers and snowboarders, a surf environment for surfboarders or kite surfers or a skate bowl for skateboarders.
  • the simulation game may further act as a rehabilitation device.
  • Each level of the game indicative of the range of motion required by a user before proceeding to more successive levels.
  • the present invention is a method of training one or more limbs of a user, using a tiltable board as defined herein as the first or third aspects of the invention, the method comprising: positioning at least one limb of the user on the platform; and manipulating the board over a prescribed period of time.
  • Exercises for flexibility involve improving a user's range of motion by performing repetitive motions near the user's current limits of motion.
  • the method involves treating a user with an injury sustained to a limb of the user, wherein the user manipulates the training board to incur a change in the angular excursion of the platform relative to its starting orientation.
  • the tiltable board On the ground. The user may then stand on and manipulate the platform. If the injury sustained by the user is severe, it is advantageous for the user to stand centred on the board with the feet shoulder width apart. As the user regains strength and flexibility the user can increase the spacing between the feet thereby increasing the angular range of motion.
  • the injury has occurred to an upper limb of the user, for example a portion of an arm such as a wrist
  • the tiltable board may then be mounted at an appropriate height for each user.
  • the injured limb of the user may then manipulate the board depending on the degree of injury.
  • the method involves training a user to improve balance, wherein the user manipulates the training board to minimise angular excursion of the platform from its starting orientation.
  • the method involves a user manipulating the training board to maintain it at a prescribed angular displacement relative to its starting orientation.
  • the method involves manipulating the training board to measure the range of angular motion of a user's limb.
  • the board may include a sensor assembly as described herein as the second aspect of the present invention and its embodiments. Measurements of the balance response of the subject may be made using the tilt sensor. Response information may be provided as feedback to the test subject in visual, auditory or tactile form.
  • body sway sensors such as accelerometers and velocity transducers may be mounted on the user's body. The body sway sensor output signals may be transformed into detailed angular displacement and velocity information by the microprocessor. EMG electrodes may be mounted over muscles on the left and right sides of the user's body to measure the response of the user's muscles.
  • velocity transducers may be mounted in the training board to detect rotational movement of the board.
  • the user may obtain information supplied by the system to compare past user performance as recorded by and stored in the system.
  • the present invention will be useful during rehabilitation in orthopaedics and sports medicine in lower limb injury rehabilitation post injury, in athletic team and sports medicine lower limb injury prevention programs, in school physical education programs as a balance feedback device, physiotherapy practices, gymnasiums and for personal trainers.
  • An advantage of at least one aspect of the present invention is to provide a facility to record time in balance within a prescribed angle and to provide feedback relating to time in balance to the user of the board.
  • a further advantage of at least one aspect of the present invention is that the outer edge of the platform that defines a shape, allows easy progression of the degree of difficulty (for example, increased excursion of ankle angular range when the user is standing on the platform) of the balance task,
  • Figure 1 is a plan view of the training board with an LCD monitor embedded within;
  • Figure 2 is a side elevation view of the training board showing the mounting of the sensor assembly in the supporting element.
  • a training board system is generally depicted as 10 in the drawings. Whilst the best mode for carrying out the invention depicts a tiltable board system in the form of a training board system, it will be appreciated that the invention is not limited to that application.
  • the tiltable board system with a signal transmission means may communicate with a computer and be used as a simulation or game device such as found in amusement arcades.
  • the augmented training board system 10 is comprised of a platform 12 in the shape of a truncated ellipse 575mm long by 380mm wide consisting of either medium density fibre board or particle board 18mm thick.
  • the platform 12 has a major axis 11.
  • the truncations 13 run parallel with the major axis 11.
  • the platform 12 has a first surface 21 and a second surface 22. Attached by screws to the centre of the second surface 22 of the platform 12 is a metal dome 24.
  • the metal dome 24 is 50mm deep and has a radius of 145mm.
  • An attaching flange extends a further 12mm around the circumference of its widest aspect.
  • the sensor assembly consists of an electronics module feedback control system.
  • the sensor assembly is housed within the dome 24 and is accessed via a rectangular trap door (162mm x 120mm) 25 recessed within the centre of the first surface 22 of the platform 12. In this embodiment, it is envisaged that the user will stand on the training board.
  • the first surface 22 of the platform 12 is coated with a slip resistant paint to minimise the possibility of the subject's foot slipping off the platform 12.
  • the sensor assembly consists of a microcontroller 26, a tilt sensor 28 with signal conditioning circuitry, an LCD module 14 (see Figure 1), User Interface (UI) switches 15, 16 and 17, RS232 port 18, EEPROM system and data memory 29.
  • the microcontroller 26 is an ultra low power, highly integrated circuit and is the core of the depicted system 10.
  • Various functional blocks or modules within the microcontroller 26 either provide functionality directly, such as Analogue to Digital conversion, or support functionality, such as the RS232 port 18, EEPROM serial bus, LCD module 14 and UI switches 15, 16 and 17.
  • the microcontroller 26 is programmed to read the sensor, process user interaction via the UI switches 15, 16 and 17, guide the user through the various functions via the LCD display 14, store the system settings and data in non-volatile memory and provide an RS232 serial link for up-loading data to a PC.
  • the tilt sensor is a commercially available device similar to a potentiometer in that an excitation voltage is applied between two electrodes immersed in an electrolytic fluid and the output is measured as a voltage on a third electrode. When the tilt angle is zero the output voltage is half of the excitation voltage. When tilted, the output voltage either increases or decreases depending on the direction of tilt. Signal conditioning is required to ensure that there is no charge built up on the sensor producing erroneous measurements.
  • the LCD module 14 is a commercially available device consisting of a LCD and all electronics needed to drive the LCD, generate display characters and interface to the microcontroller 26. The module supports menu based visual feedback.
  • the user interface switches consist of three switches that allow the user to browse through and select various options supported by the system.
  • the three switches are Browse 15, Select 16 and Escape 17.
  • Data collected by the system may be transferred to a PC as a binary file using the RS232 port 18.
  • the data may be transferred as a text file.
  • a PC- based software program can be used to support the transfer and allow the data to be saved to hard disk as a text file so that it may be imported into a spreadsheet program, such as Microsoft Excel for analysis.
  • EEPROM After each test data is automatically stored in EEPROM as a record consisting of Days (from system start), User ID, Run Time, Balance Time Minutes, Balance Time Seconds and Balance Angle. Up to 2040 records may be stored.
  • the systems settings are also stored in memory. The settings include, sensor calibration data, the memory location of the last record saved, the currently selected User ID, Run Time and Balance Angle.
  • the trapdoor 25 is situated in the centre of the first surface 21 of the platform 12 to access the user interface switches and the sensor assembly.
  • the trapdoor is made of a high density transparent perspex so that the LCD monitor 14 is visible to the user.
  • the user may manipulate the board in response to a set of pre-programmed instructions from a physiotherapist, sports instructor or the like. For example, the user may be required to exercise the ankles within a prescribed angular range for a prescribed period of time.
  • the user having turned on the sensor assembly will stand on the platform, the user's feet initially preferably equidistant from the centre of the platform. If the user has a high level of injury and/or a low level of flexibility, the user will likely to have been instructed to manipulate the platform by standing on the platform with their feet shoulder width apart, the arch of each foot of the user on the major axis facing in the direction of one of the truncated sides.
  • the user can reposition their feet, moving them away from the centre for an easier test or closer to the centre for a more difficult test.
  • the user can rotate their feet so that the component of tilt in the direction of the truncated sides increases and the feet spacing is constrained to be narrow.
  • the user can then distribute their weight to control tilting of the platform.
  • the read out from the LCD monitor informs the user that a test is underway.
  • the time spent within the prescribed angle is recorded over a prescribed period of time after which an alarm mechanism is activated to indicate the end of the prescribed period of time.
  • the LCD monitor informs the user of the prescribed angle, the prescribed time and the time spent within the prescribed angle.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Cardiology (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Rehabilitation Tools (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

L'invention concerne une planche inclinable. Cette planche comprend une plate-forme pourvue d'une première surface (21), d'une seconde surface (22) et d'un rebord extérieur définissant une forme. Cette plate-forme comprend également un élément de support (24), monté sur la seconde surface de la plate-forme, cet élément de support comprenant un moyen de pivotement qui permet à un utilisateur qui manipule la plate-forme en au moins un emplacement d'incliner la plate-forme à partir d'une orientation de départ. De par sa forme, la plate-forme présente différents degrés d'inclinaison maximale par rapport à l'orientation de départ en fonction de l'emplacement choisi de manipulation de la plate-forme par l'utilisateur. L'invention concerne également un ensemble de détection (28) conçu pour être utilisé conjointement avec une planche inclinable dont la plate-forme peut être manipulée par un utilisateur à partir d'une orientation de départ. Le détecteur comprend un boîtier et un capteur monté dans ledit boîtier et conçu pour produire une sortie captée qui est représentative du degré d'inclinaison de la plate-forme par rapport à l'orientation de départ.
PCT/AU2003/000729 2002-06-13 2003-06-12 Planche d'exercice WO2003105969A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003233253A AU2003233253A1 (en) 2002-06-13 2003-06-12 Training board

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPS2937 2002-06-13
AUPS2937A AUPS293702A0 (en) 2002-06-13 2002-06-13 Training board

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WO2003105969A1 true WO2003105969A1 (fr) 2003-12-24

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT501768A1 (de) * 2005-04-07 2006-11-15 Mft Multifunktionale Trainings Trainingsgerät
CN104083175A (zh) * 2014-06-10 2014-10-08 宋箭 基于区域力效验的压力分布平台
KR101778881B1 (ko) 2016-03-23 2017-09-15 김승영 밸런스 운동 시스템 및 그 제어방법
RU2740885C2 (ru) * 2016-04-25 2021-01-21 СТЕЛТ БОДИ ФИТНЕСС ЭлЭлСи Тренажерное устройство для мышц брюшного пресса и корпуса

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WO2002038225A1 (fr) * 2000-11-13 2002-05-16 Honeywind Pty Ltd Appareil pour exercice physique
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US6543769B1 (en) * 1998-10-07 2003-04-08 Slingshot Game Technology, Inc. Snowboard apparatus
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Cited By (7)

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Publication number Priority date Publication date Assignee Title
AT501768A1 (de) * 2005-04-07 2006-11-15 Mft Multifunktionale Trainings Trainingsgerät
CN104083175A (zh) * 2014-06-10 2014-10-08 宋箭 基于区域力效验的压力分布平台
KR101778881B1 (ko) 2016-03-23 2017-09-15 김승영 밸런스 운동 시스템 및 그 제어방법
RU2740885C2 (ru) * 2016-04-25 2021-01-21 СТЕЛТ БОДИ ФИТНЕСС ЭлЭлСи Тренажерное устройство для мышц брюшного пресса и корпуса
US11324997B2 (en) 2016-04-25 2022-05-10 Stealth Body Fitness, Llc Abdominal and core exerciser device
US11623119B2 (en) 2016-04-25 2023-04-11 Stealth Body Fitness, Llc Abdominal and core exerciser device
US11819731B2 (en) 2016-04-25 2023-11-21 Stealth Body Fitness, Llc Abdominal and core exerciser device

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