Journal of the Japanese Physical Therapy Association
Online ISSN : 2188-8361
Print ISSN : 1344-1272
ISSN-L : 1344-1272
Reports
Modification of Postural Response Caused by Footwear Conditions
Hiroshi MaejimaChie KamodaKiyomi TakayanagiMasataka HosodaRyuji KobayashiAkira MinematsuHisato SasakiYuichi MatsudaYukiko TanakaAkihisa MatsuoNaohiko KanemuraTatehiko UedaOsamu Yoshimura
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2000 Volume 3 Issue 1 Pages 21-25

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Abstract

The purpose of this study was to clarify the effect of changing footwear conditions on postural response against postural perturbation. Twenty-three healthy subjects participated in this study. Postural response was induced by moving a platform forward, hereafter referred to as forward-perturbation of a platform. The center of pressure (COP) from the force plate and the electromyograms (EMG) of the tibialis anterior (TA) and quadriceps femoris (QUAD), which are both agonists of the response, were measured. The effect of plantar material and shape of footwear on postural response was examined as footwear condition. Changing plantar materials had an effect on integrated EMG of the agonists (IEMG) but not on the response pattern. On the other hand, the shape of footwear had an effect on the response pattern but not on IEMG. It was supposed from this result that changes in somatosensory input, caused by coupling of plantar material and shape of footwear, modifies postural response variously.

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© 2000 by the Japanese Physical Therapy Association
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