Imagine a member came up to me and told me that he has a strained hamstring muscle.
想像一下，一个成员走到我面前，告诉我说，他有大腿肌肉。
Sprinters pull this muscle more than distance runners, but as I discovered, even straining your hamstring can limit your ability to run fast.
短跑者比长跑者更多地使用这块肌肉，不过照我的观察如果后腿腱紧张也会限制你的速度。
Sprinters pull this muscle more than distance runners, but as I discovered, even straining your hamstring can limit your ability to run fast.
短跑者比长跑者更多地使用这块肌肉，不过照我的观察如果后腿腱紧张也会限制你的速度。
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