If the muscle is stretched again it could even tear.

这块肌肉再受到拉伸的话，它甚至可能会拉伤。

《柯林斯英汉双解大词典》

Muscles and joints are flexed and stretched, promoting muscle tone.

肌肉和关节可以得到放松和伸展，强化肌肉结构。

youdao

This means that every muscle is stretched, and operating in the service of the dance.

意思是说拉伸每一块肌肉，为舞蹈而服务。

youdao

Simple Grade 1 muscle strains are mild and only some muscle fibers are stretched or injured.

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