田赛投掷项目技术动作之一。以右手投掷为例，当运动员完成助跑、滑步或旋转到最后一步，即右脚落地后，左脚必须紧接落地，以左脚、左腿和左肩形成牢固的左侧支撑，以制止下肢继续向前移动，免使助跑、滑步或旋转中形成的超越器械动作遭到破坏，提高最后用力的效果。
...左侧支撑’ [gap=591]velin throw, the on the left side technology, put forth self's strength finally, left side props up ...
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左侧支撑是保证最后用力效果的关键环节。
Using flank to support is the key link to ensure the effect of last force.
李玲超越器械和左侧支撑技术不好，左脚的着地方式不合理，最后用力的幅度小、距离短，向前性不好；
LI Ling is exceeding equipment and left supporting is not good, the landing way of her left foot is unreasonable, the last exerting range is small, the distance is short and the forward is not good.
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.
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