Your hamstring is a group of three muscles along the back of your thigh. These muscles help you bend your knee and straighten and rotate your leg. If the muscle fibers or tendons that connect your ...
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What Causes Hamstring Pain—and How To Treat It
Hamstring pain can be sharp or cause tightness in the back of your thigh. Your hamstring is a group of three muscles on the back of your thigh, and when one or more of these muscles get overstretched ...
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