| 人跑的动力再分析 |
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| 引用本文： | 邓学明.人跑的动力再分析[J].杭州应用工程技术学院学报,2013(3):176-179. |
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| 作者姓名： | 邓学明 |
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| 作者单位： | 浙江科技学院理学院,杭州310023 |
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| 基金项目： | 浙江省教育科学规划研究课题（2013SCG064） |
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| 摘 要： | 从力学的角度上看,推动人体质心移动的直接动力一定是外力,外力包括各具特点的切向摩擦力和法向弹力。跑动是由引发外力的人体内力在起作用;在引发跑动外力的各种人体内力中,与髋关节相关的肌肉群的影响最大,是最主要的动力群。要提高跑的成绩,应重视髋关节的柔韧性和灵活性锻炼,强化与髋关节相关的肌群的力量。
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| 关 键 词： | 跑 动力 内力 外力 髋关节 |
Analysis of motive force in running |
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| DENG Xueming.Analysis of motive force in running[J].Journal of Hangzhou Institute of Applied Engineering,2013(3):176-179. |
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| Authors: | DENG Xueming |
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| Affiliation: | DENG Xueming (School of Sciences, Zhejiang University of Science and Technology, Hangzhou 310023, China) |
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| Abstract: | From the point of view of mechanics, it must be external forces to make people running as direct power, which includes normal elastic force and tangential friction force. In running, it is internal force that causes external forces to work. Of all kinds of internal forces, muscle group connecting with hip joints is the most important. To improve the result of running, we should emphasize to take some exercises on flexibility and muscle strength of hip joints. |
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| Keywords: | running motive force internal force external force hip joints |
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