The hamstring muscles are responsible for your hip and knee movements in walking, squatting, bending your knees, and tilting your pelvis. Hamstring muscle injuries are the most common sports injury.

A pulled hamstring is a muscle injury resulting from a strain or tear in one or more of the muscles at the back of the thigh. When it happens, there may be a sudden, severe pain and a popping or ...

Muscle injury classification systems for hamstring injuries have evolved to use anatomy and imaging information to aid management and prognosis. However, classification systems lack reliability and ...