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前言在掷标枪技术教学与训练中,教师和教练员经常要求学生投掷步的三、四步几乎同时落地,以此来强化最后一步的动作节奏。其实质就是缩短右脚单支撑时间。因为右脚单支撑时间的长短直接关系到最后用力时间的快慢和工作距离的长短,所以缩该时间对运动成绩起着至关重要的作用。右脚单支撑时间过长不仅是初学者常犯的错误,据有关资料统计我国优秀运动员不
Preface In the teaching and training of throwing javelin, teachers and coaches often require students to step three or four steps in a throwing step almost simultaneously to enhance the tempo of the final step. Its essence is to shorten the right foot single support time. Because the length of the right single support time is directly related to the length of the last exertion time and the length of the working distance, the reduction of time plays a crucial role in the performance of the sport. Right foot support for a long time is not only a mistake made by beginners, according to the statistics of outstanding athletes in our country