对田径运动中部分技术改进的初步探讨

许多田径项目的世界纪录之所以不断被刷新，专项技术的不断改进和完善是重要因素之一。文章进而从理论和实践的双重角度，对蹲踞式起跑的预备姿势、铅球投掷出手角度和跳远的助跑距离及落地方式等技术环节的改进进行了探讨。

Preliminary Discussion on Technical Improvements in Some Athletic Events

The constant brokenness of the world records in athletic events is due to one of the important factors of constant improvement and perfect of specific technology.From the viewpoint of both theoretical and practical angles,this article has had a thorough discussion of improvements of the preparing position of squat start,the release angle of shot put,the run up distance and landing of long jump.