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推铅球规则限定,运动员进入投掷圈后,必须以静止姿势开始进行投掷。然而,铅球被推出离手瞬间,其速度由零应增至14米/秒左右才能出现世界水平的好成绩。为了达到这一目标,优秀运动员在最后用力时,必须使器械获得一定的预先速度,这可使成绩提高1.5～3米。而起滑姿势,作为推铅球整体动作的起点,不论在精神上还是在技术上,都对全部动作的成败起着重要的奠基作用。因之,随着铅球运动的发展,目前世界上许多优秀选手不仅仅局限在持球高姿与低姿站位后进行起滑动作的两
Shot put rules limited, athletes into the throwing ring, you must start standing still to throw. However, shot put was released from the moment, its speed should be increased from zero to 14 m / s in order to achieve good results world-class. In order to achieve this goal, elite athletes in the last force, the device must be given a certain speed, which can improve the performance of 1.5 to 3 meters. The starting position, as the starting point of the overall shot, both in spirit and in technology, all play an important foundation for the success or failure of the action. Therefore, with the development of shot put, many excellent players in the world are not limited to the two