非运动型日常活动测量新方法研究

来源 :第十一届全国生物力学学术会议暨第十三届全国生物流变学学术会议 | 被引量 : 0次 | 上传用户：laiwuywg

【摘要】

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【作者】

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孙世杰汤强全海英鹿琦孙铭张宽

【机构】

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首都医科大学生物医学工程学院,北京100069 江苏省体育科学研究所,南京210033

【出处】

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第十一届全国生物力学学术会议暨第十三届全国生物流变学学术会议

【发表日期】

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2015年6期

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目的:非运动型活动是人体日常活动的重要组成部分,包括姿势控制、身体移动、肢体运动和动作过渡.在自由生活状态下对非运动型活动,尤其是肢体运动和动作过渡进行测量非常重要却又非常困难.提出一种便携、精确、低成本的生物力学测量方法去测量5种常见非运动型活动通过自由状态下机械功的测量和机械效率的测定,去合理地预测5种非运动型活动的能量消耗.方法:提出的5种常见非运动型活动,包括肢体运动中的翘腿(RLOL)和动作过渡中的坐到站(STS)、躺到坐(LTS)、弯腰(BOW)、下蹲(SQ).STS、BOW和SQ可以通过三刚体铰链模型,RLOL和LTS可以通过四刚体铰链模型进行数学建模计算,使用拉格朗日方程建立肢体角度参数和关节力矩的关系式,并使用关节功率法得出不同非运动型活动的机械功.

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