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Research on Space-time Characteristic of Shoulder,Hip,Discus and Center of Gravity of Thrower in Rotational Discus Throwing Technique
Author(s): 
Pages: 20-23,26
Year: Issue:  4
Journal: CHINA SPORT SCIENCE AND TECHNOLOGY

Keyword:  铁饼技术女子优秀运动员三维运动学时空人体重心;
Abstract: 运用近景动态立体摄像的方法,对我国优秀女子运动员完成旋转掷铁饼技术时的肩、髋、铁饼及人体重心的时空特征进行了三维分析.表明不同时空的肩、髋、铁饼及人体重心处于不同的位置,是与铁饼技术要求紧密相关的,破坏了各个时空中肩、髋、铁饼及人体重心的时空结构势必会影响掷铁饼技术、速度和最后的运动成绩;铁饼速度与人体重心速度的变化反映了旋转掷铁饼技术的节奏特征.
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