But though runners run straight ahead, keeping the piriformis muscle loose is important for overall flexibility.

尽管跑步者沿着直线向前跑，保持梨状肌松弛有利于保持全身的柔韧性。

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But though runners run straight ahead, keeping the piriformis muscle loose is important for overall flexibility.

尽管跑步者沿着直线向前跑，保持梨状肌松弛有利于保持全身的柔韧性。

youdao