The hamstrings are the muscles on the back of the thigh and they are very commonly injured in sporting activities. Injuries can vary from a minor strain of a few muscle fibres to a complete rupture (tear) of the muscle - although the latter is uncommon.

Immediate treatment of a hamstring strain follows the "PRICE" protocol:-

Later, treatment with a physiotherapist may include electrotherapy to facilitate healing and then progressive exercises to regain strength and flexibility and return to sport.