短跑中摆动腿最佳下压时机的理论探索

The Theories Investigate of the Best Descend to Press Opportunity Moment to Swinging leg in Short Run

对短跑过程中蹬地腿和摆动腿的配合进行了理论分析,发现在短跑过程中蹬地腿和摆动腿的配合有三种时机,一是当蹬地腿离地的瞬间摆动腿继续上摆;二是当蹬地腿离地之前摆动腿已经开始下压;三是当蹬地腿离地的瞬间摆动腿正好下压。经过对三种配合时机的分析发现,当蹬地腿离地瞬间摆动腿正好开始下压是摆动腿的最佳下压时机,另外两种下压时机均以不同的方式影响了跑步的速度。该结论希望能够对运动员训练提供一定的理论指导。

This text analysis the opportune moment between driving leg and swinging leg to short run athlete theoretically,and found there are three opportune moment between driving leg and swinging leg in short run. One is when the moment the driving leg leaves ground the swing leg continue to put up; the second the swinging leg begin to press before the driving leg leave the ground;the third when the swinging leg begin to press down the driving leg leave the ground justly. Through the analysis,the third is best and the other two both influence nmning in different way. The conclusion hopes to provide certain theories instruction to the athlete training