对推铅球技术最后用力相非投掷臂作用的重新审视

本文运用运动生物力学、生物学、人体解剖学等知识，对推铅球技术最后用力时非投掷臂作用进行深入的研究和探讨，得知：在推铅球技术中，非投掷臂的摆动方向、摆动时机、制动时机及直摆与屈摆的转换形式对于形成正确的最后用力动作技能产生积极的影响。

A Re-examination of the Function of the Arm not Holding the Shot at the Phase of Final Exerting Oneself in Shot Put

Applying knowledge concerning sports biomechanics, biology and anatomy, the paper makes a deep research into the function of the arm not holding the shot at the phase of exerting oneself in shot put. It is eventually concluded that in the technology of shot put, the direction in which the arm not holding the shot swings, the moment it swings and one exerts oneself, and the transformational forms such as straight swing and picked swing, turn out to have a positive influence on the mastery of the correct movement technique.