Influence of toe-gripping action in the sitting position at low seat height

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  • Soma Masayuki
    東北福祉大学健康科学部リハビリテーション学科
  • Murata Shin
    京都橘大学健康科学部理学療法学科
  • Otao Hiroshi
    西九州大学リハビリテーション学科
  • Kai Yoshihiro
    京都橘大学健康科学部理学療法学科
  • Nakae Hideyuki
    東北福祉大学健康科学部リハビリテーション学科
  • Satou Yousuke
    東北福祉大学健康科学部リハビリテーション学科
  • Murata Jun
    長崎大学大学院医歯薬学総合研究科保健学専攻

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  • 低座面高での端坐位姿勢が足趾把持力発揮に及ぼす影響について
  • テイザメン ダカ デ ノ タンザイ シセイ ガ ソクシハジリョク ハッキ ニ オヨボス エイキョウ ニ ツイテ

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Abstract

<p>[Purpose] This study aimed to determine the influence of toe grip strength exertion in the sitting position at low seat height on toe grip strength and muscle activity in order to identify the appropriate measurement position. [Subject and Methods] The study subjects were 20 healthy women. We compared toe grip strength and muscle activity between two positions, hip and knee joints at 90°flexion position on the edge of a seat and sitting position at low seat height. The activities of the following leg muscles were recorded: rectus femoris, biceps femoris, medial head of the gastrocnemius, and tibialis anterior. We then calculated the percent integrated electromyography values during toe gripping. [Results] We found that toe grip strength was significantly lower in the sitting position at low seat height than when the hip and knee joints were at 90°flexion. Moreover,the percent integrated electromyography values of the rectus femoris and tibialis anterior in the sitting position at low seat height were significantly higher than those of the hip and knee joints at 90°flexion. [Conclusion] The results of this study suggest that the toe grip strength in the sitting position at low seat height was kept low to inhibit the increase in muscle activity.</p>

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