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作 者:赵俊龙[1]
机构地区:[1]沈阳体育学院运动训练系,辽宁沈阳110032
出 处:《沈阳体育学院学报》2004年第6期766-768,共3页Journal of Shenyang Sport University
摘 要:采用摄像及录像解析等研究方法,对2002年"海尔斯"杯全国竞走锦标赛暨亚运会选拔赛少年女子5000米场地赛前3名运动员(年龄在17岁以下)的技术进行分析,分别拍摄每个运动员在比赛进行到1150米处、2750米处、4350米处的技术图片资料,并进行解析,以取得每个运动员一个复步的各个阶段和各个技术环节的定量数据。研究结果表明:有2名运动员的腾空时间超过了合理的腾空时限;单步身体重心垂直位移和头顶垂直位移均较大;躯干前倾后仰幅度较大;膝关节技术动作符合竞走定义的要求;运动员的足掌触地角较小。By using the methods of video recording and tape analysis and so on,the paper analyzes the techniques of the first 3 athletes (their ages are below 17 years) of ground match of juvenile female 5000m walking race in 2002 Hairs Cup National Walking Race Championship,viz Selective Trials of Asian Games.The technique photos are taken at the match point of 1150m,2750m and 4350m respectively,and then the technique materials are analyzed to get the quantitative data of every stage and technique link of each athlete's one duplicate step.The results are as follows: The soaring time of two athletes exceeds the rational soaring limited-time.The vertical displacement of body center of gravity and the head of odd step are both longer.The forward and back obliquity of trunk is larger.The techniques movement of knee joints is in accordance with the requirement of walking race definition.Foot touchdown angle is smaller.
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