Swinging leg play a most important role.

其中以摆动腿的作用最大。

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Swinging leg should actively swing forward after taking off the board to lower horizontal speed loss and improve the jumping speed.

摆动腿蹬离地面后积极前摆对加快起跳腿的下压着板、减少水平速度损失、获得较大的腾起初速度有利。

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The whole structure of supporting action of running can be divided as following: enforcing from the axis muscles, lowering actively the swinging leg and backward kicking of the shank.

其中身体中轴肌群发力，摆动腿积极下压，小腿积极后扒一次完成整个支撑动作是跑的动作结构。

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It's horrific to see an animal so desperate to keep up with the pack, struggling to get up on three legs with that one snapped leg just swinging round and round.

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Left-arm seamer Aamir (1-23) coaxed Redmond into mistiming an attempted heave over mid-on, gifting a catch to Gul, before Razzaq had Guptill trapped leg-before with a full, in-swinging delivery.

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