In human anatomy, a hamstring, commonly referred to as “hams” is any of the three tendons located on the backside of the thigh muscles (the back of your legs). The hamstrings have three main muscle groups: biceps femoris, semimembranosus and semitendinosus.

In human anatomy, a hamstring, commonly referred to as “hams” is any of the three tendons located on the backside of the thigh muscles (the back of your legs). The hamstrings have three main muscle groups: biceps femoris, semimembranosus and semitendinosus.

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