| 十运会刘翔110米栏第五栏腾空过栏技术的运动学分析 |
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| 引用本文： | 徐树礼,潘凤英.十运会刘翔110米栏第五栏腾空过栏技术的运动学分析[J].山东体育学院学报,2006,22(2):66-68. |
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| 作者姓名： | 徐树礼 潘凤英 |
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| 作者单位： | 聊城大学体育学院,山东,聊城,252059 |
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| 摘 要： | 采用一台日本产JVC9800小型数码摄像机对刘翔第五栏起跨攻栏技术分两次进行一维跟踪中速拍摄,采用平面数字量化、数据平滑处理和Sbcas2软件解析,与刘翔前两次比赛和前世界纪录保持者科林.杰克逊的技术参数对比。解析结果表明:刘翔腾空过栏阶段,稳定地加大了躯干的最大前倾角度、两腿最大夹角和过栏速度;起跨攻栏距离与下栏着地距离之比稳定在接近理论上的最理想比例;刘翔无论攻栏距离、下栏距离,还是跨栏步步长都是稳定的;刘翔十运会预赛和决赛的技术提高是:头、肩、臂和身体重心的上下升降幅度大大减小了,并且两次比较一致。
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| 关 键 词： | 跨栏 第五栏 腾空过栏技术 运动学分析 刘翔 十运会 |
| 文章编号： | 1006-2076(2006)02-0066-03 |
| 收稿时间： | 11 14 2005 12:00AM |
| 修稿时间： | 2005年11月14 |
Biomechanical analysis of Liu Xiang's flight the fifth stride technique of the fifth hurdle in 10th National Games |
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| XU Shu-Li,PAN Feng-ying.Biomechanical analysis of Liu Xiang''''s flight the fifth stride technique of the fifth hurdle in 10th National Games[J].Journal of Shandong Physical Education Institute,2006,22(2):66-68. |
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| Authors: | XU Shu-Li PAN Feng-ying |
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| Abstract: | The one-dimension and middle-speed photo taking were involved two times,and also with the employment of photo digitalization,data smooth deal,the Sbcas2,this research is involved in the comparative analysis on the one quotas resulted from the photo images of Liu Xiang's fifth stride skill taken by a digital camera(made in Japan JVC9800).we also made a comparison between Liu Xiang's parameters in his four sports games and ones of the former world record holder,Colin Jackson's technique.The result is as followings:When flighting the fifth stride,he has keep a maintenances in the improvements in the important parameters in the phase,the biggest angle of the trunk,the biggest angle of two legs,clearance velocity;Take-off distance,landing distance and the total hurdle stride length are maintained,and the ratio between the take-off point and landing point of Liu-Xiang is bigger than the optimal;The wideth of vertical oscillations of head,shoulders,hips and CM are diminished sharply in common. |
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| Keywords: | 10th National Games male hurdle clearance fifth hurdle flight technique kinematics diagnosis |
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