跳远起跳时摆动腿加速前摆的时机

On the Taking off Opportunity of Accelerating Swing Forward of the Swinging Leg in the Long Jump

对跳远运动员所产生的一些错误起跳动作进行了理论分析,认为起跳时摆动腿加速前摆时机的差异,是诱发错误起跳动作的主要因素。在起跳过程中,只有正确掌握摆动腿加速前摆的时机,才能在短促的起跳时间内充分发挥出最大的蹬伸力量,获得良好的起跳效果。

This thesis theoretically analyses some sportmen' s wrong movements in taking off. The incorrect opportunity of the swinging leg's taking off before acceleratim is the main factor that leads to the wrong movements of taking off. In the course of taking off, only by mastering the correct opportunity of accelerating swing forward of the swinging leg can one bring the greatest strength of stretching into full play. So one can gain a good effect of taking off.