Basically I just have to build my muscles back up to handle my body weight on one leg.

我基本上只能锻炼我的肌肉支撑力，处理好让我身体重量放在一只脚上面。

youdao

Use this type of stretch to take the muscles back out to the length that was set in the brain during your previous practice.

用这个方式伸展，在练习的过程中，大脑中设定的肌肉长度发生改变。

youdao

The massage relaxed my tense back muscles.

按摩使得我背部紧张的肌肉松弛下来。

《牛津词典》

This temporarily blocks signals that pass through the nerves to the muscles of the body and back to the brain.

VOA: special.2009.01.06

Yet,the movement is limited, and requires the person to tighten muscles in the back or arms.

VOA: special.2009.03.10

For employees whose back muscles require further kneading, a massage therapist was brought in to give free rubdowns two weeks ago.

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It might not be easy to imagine Mr Romney with a small pipe, oversized, tattooed muscles, glugging back a can of spinach.

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"By the time you are done with me, your back muscles are going to be in a heap of pain, " the colon went on.

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