Leg support length is adjustable.

腿托长度可调。

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The article further suggests that single-leg support technique be applied to the P. E teaching and physical training, which will improve the athletic level of javelin throw.

建议在今后的教学和训练中采用单腿支撑最后用力技术，有利于标枪运动水平的提高。

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The lack of support of the flip-flop also causes pain in the tendons on the inside of the foot and lower leg. It can also lead to shin splints.

由于穿人字拖缺乏对脚部的支撑，也会造成脚内部以及腿的下部肌腱疼痛，还可能造成小腿疼痛。

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While many offer leg support, a team from University of Pennsylvania recently took silver in an engineering competition for its TitanArm prototype, a powered upper-body exoskeleton that, as the picture above shows, allows you to out-rep anyone at the gym.

ENGADGET: UPenn's TitanArm exoskeleton prototype makes light work of heavy lifting (video)

On Monday, another traditional leg of support for the gold market physical demand in Asia started to look shaky, further spooking investors.

WSJ: Gold Plummets to Two-Year Low

Secretary Rice travels to Moscow Saturday for the final leg of her journey in support of the U.N. sanctions against North Korea.

NPR: Rice Confident China Is Serious About N. Korea