一、动作练习 (一)蹬蹬是铅球动作的开始,所谓力从根生,蹬地一定要有力,蹬地力量的大小,直接决定了铅球成绩的好坏。在练习过程中可以用蹬地腿来做原地单腿跳练习,来提高蹬地力量,使学生在掷铅球时,无意识地做到蹬地。 (二)转转是将蹬地力量向上传递的过程,在这个过程中,转体一定要快,且腰要直,不能自己转体,要靠蹬地的力量将身体转向投掷方向。在练习中,要 First, the action of practice (a) pedaling is the beginning of shot action, the so-called force from the roots, must be strong pedal, the strength of the pedal, directly determines the quality of the shot put. In the practice process can be used to do leg in situ leg jump practice, to improve the power of kicking, so that students throwing shot, unconsciously to tread. (B) turn is the power of the pedal to pass up the process, in this process, the swivel must be fast, and the waist should be straight, can not swivel their own, to rely on the power of the pedal to the body to the throwing direction. In practice, want