B10 単純反応動作における構え姿勢の違いが筋活動パターンに及ぼす影響(下肢と福祉機器)

概要

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The purpose of this study was to examine the effects of the differences among 6 postures provided by 2 kinds of knee and hip joint angle and 3 kinds of Center Of Pressure (COP) position on muscle activation patterns of lower extremity in front, left and right movement. Nine subjects kept the assigned posture on forceplates until LED signal. After the signal, each subject moved to each direction of front, right and left as quickly as possible. The reaction time was defined by forceplate and the EMG onset was calculated by electromyography which was measured parts of 14 muscles of the lower extremities. And we obtained the latency which was difference between reaction time and EMG onset. The result showed that muscle activation patterns were changed by joint angle and COP position, and the latency was changed by reaction movement.
社団法人日本機械学会の論文
2008-11-05