【摘要】 本文就前摆的重要作用和前摆的原则要求,进行了较全面的论述。对田径运动技术的进一步发展提高,有一定促进作用。更多还原

【Abstract】 In the world athletics people didn’t yet give core upon forward swing technlqne of swing leg which Interrupted further development and inereaselnent of the athletics. The present study represent idea on the important role of forward swing and the principle of swine from all part In order to rouse people to put empnasis on and know it,更多还原