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 ...

A hamstring tear injury is a rip in the hamstring muscles. It happens when the hamstrings are overstretched or overloaded with too much weight. Depending on the injury, the hamstring can tear ...

Various exercises may reduce tight hamstrings and lower the risk of injury. People can do hamstring stretches sitting on a chair, lying down, against a wall, and more. People who participate in sports ...