【摘要】 投掷标枪中，左腿在交叉步与最后用力的衔接中起到了引导、制动和支撑的作用。本文从交叉步和最后用力这两个紧密相连的环节中，对左腿的动作及其意义进行了探讨，旨在使我们充分认识左腿在投掷标枪中的作用。更多还原

【Abstract】 In the javelin throw, the left leg plays the roles of guiding, braking and sustaining in the join of cross steps and final force. This article probes into the left leg movement and its significance in the close link of cross steps and final force for the purpose of fully understanding the role of left leg in the javelin throw.更多还原