摘要
通过简单的力学原理，分析了跳远中助跑与踏跳的相互关系，论证了只有将二者有机地结合起来，才能取得优异成绩。
The relationship between run-up and take-off in broad jump is analysed through thesimple principles of mechanies. It is proved that only combination of them organically can result inexcellent achievements.
关键词
跳远
助跑
踏跳
田径运动
broad jump
run-up
take-off
relation
achievement
