The results showed that there are some differences in skipping level speed between the foreign and Chinese athletes. Chinese athletes should improve the gliding technique and the leg power.

结果显示，我国运动员起跳时水平速度与国外优秀选手还有差距，需提高滑行技术和蹬冰力量；

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One of the other things a number of people are looking at, and again we are interested in, is adaptive devices that fit around existing limbs like an arm or a leg and provide additional power.

“一些人所关注的另一件事情是，在四肢——象手臂或者腿周围安装合适的装置以提供额外的力量，这也是我们感兴趣的”。

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Then in 2007 Dr Herr took this a step further by incorporating assistive power into an artificial leg, or prosthesis.

2007年，赫尔博士进一步为人造腿(或人造义肢)加上辅助电源。

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"Construction workers need to hold tools to become more productive, and you and me might want to climb Kilimanjaro and need extra power from a bionic leg, " he said.

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An accessory device designed to be worn on a leg or arm could greatly benefit from this sort of power generation, and could lengthen the amount of time between charging.

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My right leg dragged a few inches behind my body, reducing my power.

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