Effect of Functional Electrical Stimulation on the Femoral from the Early to Middle Stage of Stance for Gait Modification

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  • Doi Seiji
    Graduate School of Science and Engineering, Ehime University.
  • Shibata Satoru
    Graduate School of Science and Engineering, Ehime University.
  • Mu Shenglin
    Graduate School of Science and Engineering, Ehime University.
  • Miki Yuhei
    Graduate School of Science and Engineering, Ehime University.

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Other Title
  • 歩行動作変容を目的とした立脚初期から中期における大腿への機能的電気刺激の影響
  • ホコウ ドウサ ヘンヨウ オ モクテキ ト シタ リッキャク ショキ カラ チュウキ ニ オケル ダイタイ エ ノ キノウテキ デンキ シゲキ ノ エイキョウ

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Abstract

<p>In this study, we examined the effects of a portable functional electrical stimulator on the knee joint during the early to mid-stance phase of the gait cycle. The electrical stimulation produced eccentric contraction of the quadriceps muscle, which contributes to shock absorption at the knee joint, and reduced the load on the knee joint due to motion modification. Four phenomena occurred simultaneously: an increase in the knee joint flexion angle, an increase in the eccentric contraction of the quadriceps muscle, and a decrease in the vertical and posterior components of the floor reaction force. This was assisted by the eccentric contraction of the quadriceps muscle, which assisted in knee joint flexion and achieved the generation of a double knee action favorable to the shock absorption of the knee joint in the sagittal plane.</p>

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