采用三维测力台实验方法对急行跳远踏跳过程测试，对健将，一级和二级跳远运动员踏跳中三维方向的踏跳力学特征进行探讨。从结果上分析认为：踏跳过程中起跳腿垂直方向波·谷力值和蹬伸力值虽然对跳远成绩影响较大，但运动员从缓冲到蹬伸阶段达到垂直冲量值最大值的时间长短是衡量运动员技术水平和成绩的另一重要指标，踏跳动作的实质是创造垂直速度的过程． Three-dimensional test-bed test method was used to test the jumping process of jumping in the acute jump, and the characteristics of the jumping exercise in the three-dimensional direction of the jumping, jumping of the first and second level long jump athletes were discussed. From the result analysis, it is concluded that the vertical wave trough value and kick-out force of jump leg in jumping process greatly affect the performance of long jump, but the length of time from the buffering to stretching reaches the maximum of vertical impulse value Is another measure of athletes technical level and performance of another important indicator of the nature of the hitting action is to create the vertical speed of the process.