2E2-6 肩用CPM装置の内旋・外旋および内転・外転における関節トルクの分析(身体運動の計測と解析,一般講演)

概要

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Continuous passive motion (CPM) is an orthopedic treatment or physiotherapy method that promotes recovery of impaired joints, which is tried to apply for treatment of the shoulder joint disorders. The shoulder joint has a complex structure, where the inner-/outer rotation torque of the shoulder joint varies due to ad-/abduction angle. The unsuitable ad-/abduction angle causes the excessive inner-/outer rotation torque of the shoulder joint, which aggravates joint disorders. So, it is required to adjust the ad-/abduction angle to suppress the inner-/outer rotation torque. In this paper, the ad-/abduction motion that suppresses the inner-/outer rotation torque is clarified. The variation of the inner-/outer rotation torque due to ad-/abduction angle is analyzed in measurement experiments with fixed ad-/abduction, and we clarify the ad-/abduction motion suppressing the inner-/outer rotation torque. To realize the clarified ad-/abduction motion, we developed the CPM device that has two d. o. f. with the inner-/outer rotation and the ad-/abduction. Finally, the experiment with the CPM device is performed in order to validate that the clarified motion of the ad-/abduction is effective to suppress the excessive inner-/outer rotation torque of the shoulder joint.
社団法人日本機械学会の論文
2008-09-17