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.

Unfortunately, hamstring strains are both common and painful. They strike athletes of all sorts – including runners, skaters, and football, soccer, and basketball players. But what is a hamstring? It ...

A number of Premier League players – including Arsenal’s Kai Havertz and Chelsea’s Nicolas Jackson (above) – have suffered hamstring injuries in recent weeks. With the help of Matt Konopinski, ...

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 ...

Hamstring tendonitis is swelling or tearing to one of the three hamstring tendons. It may cause pain around the knee and throughout the leg. Hamstring tendonitis may also lead to mobility impairment.

Despite increased knowledge of hamstring muscle injuries, the incidence has not diminished. We now know that not all hamstring injuries are the same and that certain types of injuries require ...

Do you ever wake up with tight, stiff legs and wonder why? Or maybe, during yoga class, you find it difficult to touch your heels to the ground in downward-facing dog. Either way, you could probably ...

Dan Giordano, P.T., D.P.T., C.S.C.S., is a member of the Men's Health Advisory Board. Ahh, the hamstring strain. It’s happened to plenty of athletes—and loads of ...