When you ride a bike, you exercise all of the leg muscles.

骑自行车时，你可以锻炼腿部的全部肌肉。

《柯林斯英汉双解大词典》

The exercise consists of stretching and contracting the leg muscles.

此项训练包括伸展和收缩腿部肌肉。

《牛津词典》

To stand, you have to tense your leg muscles, and engage the muscles of your back and shoulders; while standing, you often shift from leg to leg.

要站起来，你必须使你腿上的肌肉拉紧，你背上和肩上的肌肉也要参与；站着的时候，你的腿常常会转来转去。

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To test the effectiveness of these antibodies, the two researchers injected cells that belonged to one genetic population of mice into the leg muscles of mice from a different genetic population.

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Decreased oxygenation of leg muscles due to peripheral vascular disease and the pain of diabetic neuropathy can also be mistaken for cramps.

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The shoes were developed in collaboration with Darren James and Dr. David Cook, biomechanists at London's South Bank University, with an ergonomically optimized "Microwobbleboard" that FitFlop says encourages activation of the leg muscles.

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