研究表明：教学的重点难点应根据投掷步技术在投掷步过程能否体现速度和节奏以及是否有利于最后用力来确定。
The points depend on whether the techniques can demonstrate speed and pace and whether they are in turn beneficial to the last strength.
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、动和支撑的作用。
In the javelin throw, the left leg plays the roles of guiding, braking and sustaining in the join of cross steps and final force.
从生物力学角度对掷标枪最后用力的左侧支撑进行分析，论证了左侧支撑是标枪投掷技术中的重要技术环节。
This article analyses the left-side strut in putting forth the last strength in javelin throwing from the biomechanics Angle, proves that left-side strut is an important link in javelin technique.
研究结果表明，非投掷臂在最后用力阶段的正确姿势对投掷成绩有显著的影响；
The result shows that the correct posture of the non-throwing arm has a notable impact on the result;
在标枪投掷技术中，左腿在交叉步及最后用力的衔接中起到引导、制动和支撑的作用。
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.
背景：以三维力学分析标枪非投掷臂最后用力阶段的相关参数，是数字化运动医学研究的热点。
BACKGROUND: the mechanical parameters of non-throwing arm at the stage of final exertion for the javelin, is a hot topic of digital sports medicine.
背景：以三维力学分析标枪非投掷臂最后用力阶段的相关参数，是数字化运动医学研究的热点。
BACKGROUND: the mechanical parameters of non-throwing arm at the stage of final exertion for the javelin, is a hot topic of digital sports medicine.
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