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A purpose of this study is to measure bone strain induced electrically-controlled muscle contraction and compare with that recorded during walking exercise using an animal model. A strain gage technique was used to measure strain on a rat femur when a rectus femoris muscle is stimulated electrically in a sinusoidal waveform at a peak voltage of 0, 1, 3, or 6V, and during walking exercise(4m/min) by a treadmill. Bone strain recorded in 6V-muscle stimulation was 65% larger than that in treadmill exercise. This result suggests that electrically-controlled muscle contraction could be useful as a new mechanical stimulation method to elicit osteogenesis response.
ジョイント・シンポジウム講演論文集 : スポーツ工学シンポジウム : シンポジウム:ヒューマン・ダイナミックス : symposium on sports engineering : symposium on human dynamics 2006, 244-246, 2006-11-08 [Table of Contents]
The Japan Society of Mechanical Engineers