我国优秀女子铁饼运动员最后用力阶段速度变化对成绩影响的相关分析

Correlation analysis between the changes in the speed at the delivery stage and performancein elite female discus throwers of China

采用三维录像解析、Person相关分析等方法,以2007年全国田径锦标赛女子铁饼比赛前8名运动员的投掷技术为研究对象,对女子铁饼运动员最后用力阶段速度变化与投掷成绩进行了相关性分析,结果显示:在最后用力的初始加速阶段以及最后用力的最后加速阶段存在着与投掷成绩密切相关的速度变化,并且,两个阶段某些环节速度变化的比值与投掷成绩也存在显著相关关系。

By using the methods of 3 - D vedio analysis and person - related analysis, this paper makes a research on the top 8 discus throwers, technique in National Track and Field Championships in 2007. It analysed the correlation about the changes in the speed at the delivery stage and performance. The results show that in two diferent stages, this has closely related indexes of changes in speed to performance;in addition, this has significant correlation between the ratio in the changes of speed and the performance.