| 辽宁省优秀少年女子跳远运动员起跳缓冲和蹬伸阶段运动学分析 |
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| 引用本文： | 于树祥,申俊奇.辽宁省优秀少年女子跳远运动员起跳缓冲和蹬伸阶段运动学分析[J].沈阳体育学院学报,2011,30(5):108-110,114. |
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| 作者姓名： | 于树祥 申俊奇 |
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| 作者单位： | 1. 沈阳体育学院竞技体校,辽宁沈阳,110102
2. 沈阳体育学院武术学院,辽宁沈阳,110102 |
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| 摘 要： | 通过对2010年8月在沈阳举行的辽宁省第11届运动会女子跳远决赛前七名运动员起跳技术录像的解析,将运动员起跳缓冲和蹬伸阶段的时间、重心速度及个别关节的角度变化进行深入分析,得出制约辽宁省优秀少年女子跳远运动员成绩提高的关键因素是力量素质的薄弱。由于力量薄弱造成起跳腿着地瞬间膝角偏小、最大缓冲时膝角偏小、蹬伸时间加长等一系列的连锁反应;技术上,缓冲时间和蹬伸时间的合理分配,摆动腿的有效摆动都对起跳产生一定的影响。就如何提高素质、改进技术给出建议,为少年跳远运动员的训练提供有益的参考,并为2013年全运会辽宁女子跳远项目后备运动员提供训练依据。
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| 关 键 词： | 少年女子 起跳 缓冲 蹬伸 运动学 |
Kinematics Analysis of Take-off Buffer and Pedal Stretch Stage of Liaoning Outstanding Young Woman Long Jump Athletes |
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| YU Shuxiang,SHEN Junqi.Kinematics Analysis of Take-off Buffer and Pedal Stretch Stage of Liaoning Outstanding Young Woman Long Jump Athletes[J].Journal of Shenyang Sport University,2011,30(5):108-110,114. |
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| Authors: | YU Shuxiang SHEN Junqi |
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| Institution: | YU Shuxiang1,SHEN Junqi2(1.Athletic School,Shenyang Sport University,Shenyang 110102,Liaoning,China,2.Wushu School,China) |
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| Abstract: | By video analysis of jumping technology based on the top seven athletes' performance in women's long jump final in the 11th Games held in Shenyang,Liaoning Province,this article makes a deep analysis of the changes of time,focus speed and angle of individual joints in the players' take-off buffer and pedal stretch stage.It finds the key factors of the constraints of Liaoning outstanding young women long jump athletes,i.e.the weakness of strength.Due to the weakness of the legs off the ground,the instant kne... |
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| Keywords: | young woman take-off buffer pedal stretch kinematics |
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