WO2007007720A1 - Methode et dispositif pour mesurer la puissance du flechisseur d'orteil - Google Patents

Methode et dispositif pour mesurer la puissance du flechisseur d'orteil Download PDF

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Publication number
WO2007007720A1
WO2007007720A1 PCT/JP2006/313697 JP2006313697W WO2007007720A1 WO 2007007720 A1 WO2007007720 A1 WO 2007007720A1 JP 2006313697 W JP2006313697 W JP 2006313697W WO 2007007720 A1 WO2007007720 A1 WO 2007007720A1
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WO
WIPO (PCT)
Prior art keywords
measuring
foot
footrest
toe
toes
Prior art date
Application number
PCT/JP2006/313697
Other languages
English (en)
Japanese (ja)
Inventor
Ippei Nakamura
Haruko Kage
Shinichi Sugiyama
Ichiro Kunitsugu
Masayuki Okuda
Original Assignee
Yamaguchi University
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 Yamaguchi University filed Critical Yamaguchi University
Publication of WO2007007720A1 publication Critical patent/WO2007007720A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/22—Ergometry; Measuring muscular strength or the force of a muscular blow
    • A61B5/224—Measuring muscular strength
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6813—Specially adapted to be attached to a specific body part
    • A61B5/6829—Foot or ankle

Definitions

  • the present invention relates to a method for measuring toe flexor muscle strength and an apparatus therefor.
  • Walking is an indispensable athletic ability in daily life, but walking and holding a standing posture are performed by the lower limbs.
  • the muscle strength of the lower limbs is important along with the functions of the sensory organs, and these functions develop from childhood to adulthood, and decline in old age.
  • the stability of walking and standing posture is impaired, it will interfere with daily life and require nursing care.
  • Non-Patent Document 1 "Proceedings of the Society of Instrument and Control Engineers” Vol. 38, No. 11, pp. 952- 957, 20 02
  • Non-Patent Document 2 "Physiotherapy Science” 17 (4), pp. 243-247, 2002
  • Patent Document 1 Japanese Unexamined Patent Publication No. 2003-175021
  • Patent Document 2 JP 2002-360550 A
  • Non-Patent Document 1 shows that the ability of walking and standing posture is predicted by focusing on the toe interosseous muscle located anatomically and measuring the toe pinching force. This is based on the fact that there is an appropriate distance between the thumb and second finger of the foot, and the pinching force between them can be used as an index related to the ability to measure walking and standing posture. Yes. On the other hand, the sole The muscle strength in the direction is not used because the knee flexion force tends to act.
  • 1 also discloses measuring the pinching force between the thumb and second finger of the foot.
  • the pinching force between the toe and the second finger of the foot has some degree of relation to walking and standing posture holding ability, it is used for walking and standing posture holding. It does not directly correspond to the action of muscular strength in the direction of the sole, and the distance between the thumb and the second finger and its pinching force are different from each other in a manner different from walking habits. It is not an accurate indicator of the ability to maintain walking and standing posture.
  • Non-Patent Document 2 and Patent Document 2 disclose measuring the grip force of the toes in the same manner as measuring the grip force of the hand. In these cases, however, the gripping force of the toes acting in the plane of the sole is measured, and the muscle strength of the toes due to this type of measurement also has the ability to maintain walking and standing posture. Although it is related, it measures muscle strength in a state that does not necessarily correspond to the action of muscle strength during walking and standing posture maintenance, and it is not enough to accurately show this ability. It was difficult to adapt to subjects who could not bend the toes greatly.
  • the action of the toes will be considered from the viewpoint of the relationship of the muscle strength of the toes in walking and standing posture maintenance.
  • the human gait weighted step is phenomenologically referred to as the' heel-in 'toe-out principle.
  • the weight applied to the sole starting from the rib (heel) finally concentrates on the toes and pushes the remaining weight forward as soon as the center of gravity moves to the opposite foot.
  • the torsion flexor strength plays a major role at this time, and this force acts as the force that finally kicks out on the straight line in the walking direction.
  • the toe flexion zone is normal and around 60 degrees.
  • the bending angle that directly affects walking is about -15 to 20 degrees, and it is necessary to measure the flexor strength of the toes within this angle.
  • the present invention has been made to solve the above-mentioned problems, and the method for measuring toe flexor muscle strength according to the present invention comprises at least a plane inclined with respect to a horizontal plane on which a portion behind the toes is placed. Holding and fixing the foot placed on the base portion having the foot rest portion to be formed by a fixing means; Place the foot on the footrest and bring the base of the toe and the heel into contact with the footrest and place the foot on the position where the foot hits in a state where the foot is held and fixed to the footrest by the foot holding member. It consists of measuring the toe's pressing force with the arranged toe's pressing force measuring means and displaying the measured value.
  • the angle of the inclined surface of the footrest portion with respect to the horizontal plane may be adjusted within a range of 20 to 40 ° to determine “willow”.
  • the foot holding member should be used to hold and fix the foot with a tightening force that does not apply an extra load to the toes.
  • the toe flexor strength measuring apparatus includes a footrest portion for placing at least a portion of the foot behind the toes and a measuring means for measuring the pressing force of the toes at a position where the toes hit. And a display means for displaying a measurement value obtained by the measuring means.
  • the upper surface of the footrest part of the base part is inclined with respect to a horizontal plane, and the footrest part is a foot during measurement.
  • a foot holding member for holding and fixing the foot to the footrest in a state where the toe base and the heel are in contact with the footrest.
  • the surface on which the toe touches is on the same plane as the upper surface of the footrest unit, but the height of the surface on which the toe hits in the measurement unit may be adjustable.
  • the upper surface of the platform may be inclined in the range of 20 to 40 degrees with respect to the horizontal plane.
  • the inclination angle of the footrest may be adjustable in the range of 20 to 40 degrees.
  • the toe flexor strength measuring apparatus includes a footrest portion for placing at least a foot part behind the toe and a toe pressing force measuring unit at a position where the toe hits. And a display means for displaying a measurement value obtained by the measuring means.
  • the upper surface of the footrest part of the base part is inclined with respect to a horizontal plane, and the footrest part is a foot during measurement.
  • a belt-like foot holding member for holding and fixing the foot to the footrest with the toe base and the heel portion in contact with the footrest, the front of the footrest In this position, a ridge may be provided at a position below the toe base when the foot is placed.
  • the measuring means of the measuring section may be a piezoelectric pressure measuring means!
  • the measuring means of the measuring unit may be a piezoelectric pressing force measuring means, and the display means may be connected to the piezoelectric pressing force measuring means via a cable. Further, the measuring means of the measuring section may be a mechanical measuring means using a spring.
  • the surface on which the toe touches is on the same plane as the upper surface of the footrest unit.
  • the height of the surface on which the toe touches in the measurement unit may be adjustable.
  • the upper surface of the platform may be inclined in the range of 20 to 40 degrees with respect to the horizontal plane.
  • the inclination angle of the footrest may be adjustable in the range of 20 to 40 degrees.
  • the toe flexor muscles in the plantar direction are fixed with the foot part other than the toes held and fixed on the footrest, and the weight is not applied to the toes. Force can be measured accurately, and repeatability can be measured with little variation and good reproducibility.
  • the toe flexor strength data measured in this way is effective as an index indicating the ability to maintain walking and standing posture, and is widely used by general adults, the elderly, and those who cannot bend the toes greatly. For a range of subjects, it is possible to predict motor functions centered on walking, which can be used for health promotion and care prevention for individual groups.
  • FIG. 1 shows an embodiment of a measuring apparatus for measuring toe flexor strength according to the present invention.
  • the measuring apparatus 1 for toe flexor strength has a base 2, and an upper surface of the base 2.
  • the upper surface of the footrest portion 3 is inclined with respect to the horizontal direction, and the surface of the measurement portion 4 where the toes abut is also substantially the same as the surface of the footrest portion 3.
  • the platform 2 has a display unit 5 for displaying the measured value of the toe flexor strength and a foot holding member 6 for holding and fixing the part of the foot behind the toe during measurement.
  • the pedestal 2 is formed of a material having sufficient strength to support the foot when the foot is placed at the time of measurement, and the upper surface of the base 2 is the one leg with the subject sitting on the chair. No additional load is applied to the toes when the part behind the toes is held and fixed by the foot holding member In order to allow the toes to move up and down in a natural state, it is recommended that the tilt angle is about 20 to 40 degrees with respect to the horizontal direction. Typically, the tilt angle is about 30 degrees. I like it. In addition, it is preferable that a soft rubber sheet or the like is attached to the surface of the footrest portion 3 of the base portion 2 so that it does not slip easily when the foot is placed.
  • a foot holding member 6 is provided to hold and fix the foot on the footrest portion 3 of the base portion 2.
  • the shape and size of the feet to be measured vary depending on the age, gender, and individual differences.In order to appropriately hold and fix the feet of various sizes and shapes on the footrest 3 during measurement, hold the feet.
  • the member 6 has an adjustable belt shape that makes it easy to attach and detach the foot, and it can be removed by using a fixing means such as a velvet fastener to adjust the holding and fixing force of the foot. It becomes easy.
  • the belt as a foot holding member is used to securely fix the foot to the footrest 3 at the toe base and the heel, and adapts to various sizes and shapes depending on individual differences. It is preferable that the foot is formed of a cloth, a synthetic resin, or a composite material having flexibility, stretchability, and strength so that the foot can be held and fixed on the footrest.
  • the foot holding member 6 is simply shown as two belts of the toe base and the heel portion, and further wraps the belt including the rear side of the heel in a shape that branches the belt. By adopting such a shape, the foot can be held and fixed to the base 2 in a natural state. When holding and fixing the foot to the base part 2, it is particularly important to ensure that the foot back part can be securely held by the holding member.
  • the toes are generally slightly curved upward in a natural state, and a slight space is created below the toe base with the feet placed on the platform 2. Therefore, it is preferable to form a ridge 7 having a shape matching the space below the toe base on the base 2.
  • the toe base abuts on the ridge 7 and the toe base rests on the upper side of the ridge 7. Thus, the position of the foot can be easily determined.
  • FIG. 2 is a view of the upper portion of the platform 2, and generally the right foot has a curved shape in which the space below the toe base peaks around the second finger. Therefore, it is recommended that the ridge portion 7 be matched to such a shape.
  • the shape of the base of this toe is also different from person to person, so it should be adapted to the standard foot shape, and if the ridge 7 is too high, it will affect the pressing action of the toe, so make it slightly lower. It is good.
  • the material shall be able to be deformed to some extent by rubber etc., and both sides shall be rounded. Nevertheless, since the shape of the space below the toe base may not actually match the ridge 7, the ridge 7 may be detachably attached.
  • the measurement unit 4 includes measurement means for measuring flexor strength by applying the toes, and the measurement means is a position where the toes hit with the foot part behind the toes placed on the footrest part 3.
  • the part where the toes hit is basically on the same plane as the footrest 3, and the position where the toes touch is curved as shown in Fig. 2. It is recommended to have a curved shape that includes the position where the toes hit. In this way, by placing the portion of the measuring unit 4 on which the toes touch on the same plane as the footrest 3, in a standard situation, the foot is placed on the footrest 3 with the foot held and fixed.
  • the flexor strength can be measured accurately, but there may be individual differences in the shape of the toes, so in order to be able to cope with it, the height of the position where the toes hit in the measurement unit 4 is slightly adjusted Let's do it.
  • the measuring means of the toe flexor strength measures a pressing force when the toe is pushed down, and a conventionally known one such as a mechanical type using a spring or a piezoelectric type is used. Is possible.
  • the display unit 5 is a part for displaying the magnitude of the measured flexor strength of the toes, but the display surface is in a position close to the measurement unit 4 that is desired to be easily seen by the examiner.
  • the shape may be horizontal.
  • a measurement method such as a piezoelectric type, take out the output data of the measurement device with a cable so that it can be read on the display unit at a position away from the base unit 2. A little.
  • the upper surface of the pedestal 2 is assumed to be inclined as shown in FIG.
  • the inclination angle is in the range of 20 to 40 °, and generally around 30 ° is preferable. This angle cannot be changed if it is fixed as a measuring device. However, in actual use, the angle may be based on the relationship between the height of the chair and the length of the subject's legs, etc. Depending on the nature, it may be desirable to measure at a certain angle change. Therefore, it is conceivable that the inclination angle of the footrest portion 3 of the base portion 2 can be adjusted.
  • FIGS. 3 (a) and 3 (b) An example in which the inclination angle of the footrest portion 3 is adjustable is shown in FIGS. 3 (a) and 3 (b).
  • FIG. 3 (a) shows the inside of the base part 2, and the measurement part and the foot holding member are omitted.
  • the footrest part 3 is pivotally attached to the bottom plate 10 of the base part 2 by a hinge 9 and is attached to a shaft 12 pivotally supported by the footrest part 3 and the side plate of the base part 2 (not shown).
  • the shaft 12 is mounted on the cam surface of the eccentric cam 11, the shaft 12 extends to the outside of the side plate of the base 2, and a gripping member (not shown) such as a lever is attached to the end side.
  • the footrest portion 3 may abut against the eccentric cam 11 by its own weight, but a biasing force may be applied so as to abut against the cam by a spring. In this way, the footrest 3 is supported in a state where it rests on the cam surface of the eccentric cam 11.
  • the gripping member is provided with pins on the side facing the side plate of the pedestal, and holes are provided in the side plate of the pedestal 2 at multiple locations where the pin passes when the shaft 12 rotates. .
  • the eccentric cam 11 is rotated to adjust the inclination angle of the footrest, and the pin of the gripping member is inserted into the hole in the side plate of the base part 2 and fixed at an appropriate angle position. .
  • the shaft 12 is provided with a force that can be displaced in the axial direction, and a gripping member that can be folded.
  • the range of angle adjustment depends on the shape of the eccentric cam, and as described above, it is preferable to adjust within the range of 20-40 °.
  • Fig. 3 (b) shows another example of adjusting the inclination angle of the footrest portion 3.
  • the footrest portion 3 is connected to the base portion 2 by the hinge 9 in the same manner as in Fig. 3 (a).
  • a wedge-shaped block 13 having an angle corresponding to an inclination angle is inserted between the bottom plate 10 and the footrest 3 so as to be rotatable.
  • the footrest portion 3 is brought into contact with the wedge-shaped block 13 by its own weight or spring biasing force, and its inclination angle is defined.
  • Reference numeral 14 denotes a stopper for preventing the wedge-shaped block 13 from moving.
  • FIG. 4 is an example in which a measuring device for flexor strength of toes is simply configured using a muscular force meter 4 A used as a mechanical grip strength meter as the measuring means of the measuring unit.
  • the parts are the same as in FIG. 1 and are indicated by the same reference numerals.
  • the portion where the pressing force is applied is generally straight and not curved, so the average inclination of the curved shape of the measuring means at the position where the toe hits in Fig. 2 It will be arranged at the position. Since the display unit is provided on the muscular strength meter 4A, it is not in the horizontal plane, so it is difficult to see, but it is easy to use a measuring device such as an existing muscular strength meter for grip strength.
  • the height may be adjusted slightly up and down with reference to the position on the same horizontal plane.
  • the sole direction (the direction perpendicular to the bottom surface) is assumed to correspond to this ability accurately.
  • This is a force that measures the strength of the toes on the foot, and the top surface of the platform, which serves as the footrest, is inclined with respect to the horizontal plane so that weight is not added.
  • FIG. 5 (a) the action of the toe's muscular force in the direction within the sole, and the action of the toe's force in that case is schematically shown in FIG. 5 (a).
  • FIG. 5 (b) the present invention measures the effect of toe muscle strength in a direction perpendicular to the bottom surface of the foot.
  • the present invention has the following advantages over the prior art.
  • the solid arrow indicates the force applied by the toes, and the broken arrow indicates the force to be measured.
  • the range of motion of the moving joint is small (the toe cannot be bent greatly), and the subject is also examined.
  • the measurement value can be obtained accurately.
  • the joint is a common site for diseases such as rheumatoid arthritis, gouty nodules, diabetic neurosis! / And limited range of motion.
  • the influence of the body weight S may be involved.
  • Many of the strength measurements related to the toes in the prior art are measured in the sitting position, but it is difficult to avoid the weight of the lower limbs that account for more than 10% of the body weight in the sitting position alone.
  • the upper surface of the platform on which the sole is placed is inclined 20 to 40 degrees with respect to the horizontal plane (Fig. 6). In this way, by tilting the upper surface of the platform on which the sole is placed, and fixing the portion behind the toes to the upper surface of the platform with fixing means, the weight of the lower limb is the platform at the portion behind the toes.
  • a good measurement state is obtained in which the effect of the muscle strength of the toes in a direction perpendicular to the bottom of the foot is more accurately measured without adding the weight of the lower limbs to the toes. Reproducibility is improved.
  • Toe flexor strength can be measured accurately and reproducibly with no weight added to the toes, and toe flexor strength data can be measured in walking and standing postures. Since it is effective as an index indicating retention ability, it can be used to predict motor function for a wide range of subjects, to promote health for individual groups, and to prevent care.
  • FIG. 1 is a diagram showing an embodiment of an apparatus for measuring toe flexor strength according to the present invention.
  • Fig. 2 is a view of the measuring device of Fig. 1 excluding the foot holding member and also showing the upward force.
  • FIG. 3 (a) is a diagram showing an example of the configuration when the inclination angle of the footrest portion is adjustable. (b) It is a figure which shows the example of another structure at the time of adjusting the inclination-angle of a footrest part. ⁇ 4] In the toe flexor strength measurement device of the present invention, a simple measurement using mechanical measurement means It is a figure which shows the example of a simple structure.
  • FIG. 5 (a) is a diagram showing the action of toe force when measuring the foot gripping force in the prior art. (B) It is a figure which shows the effect
  • FIG. 6 is a view showing a state in which the footrest is inclined according to the present invention.

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  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

La méthode et le dispositif de l'invention pour mesurer la puissance du fléchisseur d'orteil permettent une réduction de la variation des résultats mesurés entre différents inspecteurs et offrent une amélioration de la probabilité de récurrence. Ils permettent de minimiser le savoir-faire exigé d'un inspecteur et réduisent l'application de charge sur un sujet d'essai. Ce dispositif comprend une partie de base (2) avec une surface supérieure inclinée par rapport à l'horizontale. La partie de base comprend une partie de repose-pied (3) recevant la portion d'un pied à l'arrière des orteils et une partie de mesure (4) ayant un moyen pour mesurer une force de pression appliquée par les orteils sur la partie avant de la partie de repose-pied à l'endroit où la partie de mesure est amenée en contact avec les orteils. Ce dispositif comprend en outre une partie d'affichage (5) affichant les valeurs mesurées par le moyen de mesure. La partie de repose-pied (3) comprend un moyen d'attache pour attacher et retenir les parties inférieures de la base des orteils et du talon du pied sur la partie de repose-pied lorsque le pied repose sur celle-ci au cours de la mesure.
PCT/JP2006/313697 2005-07-13 2006-07-10 Methode et dispositif pour mesurer la puissance du flechisseur d'orteil WO2007007720A1 (fr)

Applications Claiming Priority (2)

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JP2005203874 2005-07-13
JP2005-203874 2005-07-13

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018009740A1 (de) 2018-12-14 2020-06-18 Quantimedis GmbH Fußkraft-Messvorrichtung Pedomotograph
WO2023248820A1 (fr) * 2022-06-22 2023-12-28 国立大学法人山口大学 Dispositif de test de force musculaire manuelle

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0610826U (ja) * 1992-07-10 1994-02-10 光男 加藤 ヘルスメーター
JP2002360550A (ja) * 2001-06-08 2002-12-17 Pedo Club:Kk 足指の把持力測定装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0610826U (ja) * 1992-07-10 1994-02-10 光男 加藤 ヘルスメーター
JP2002360550A (ja) * 2001-06-08 2002-12-17 Pedo Club:Kk 足指の把持力測定装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
HORIUCHI K. ET AL.: "Sokushi Kukkyokuryokukei no Kenkyu", NENDO JAPAN ERGONOMICS SOCIETY DAI 34 KAI KANTO BRANCH TAIKAI KOENSHU, 17 December 2004 (2004-12-17), pages 41, XP003007195 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018009740A1 (de) 2018-12-14 2020-06-18 Quantimedis GmbH Fußkraft-Messvorrichtung Pedomotograph
WO2023248820A1 (fr) * 2022-06-22 2023-12-28 国立大学法人山口大学 Dispositif de test de force musculaire manuelle

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