How common is thigh pain in hamstring strain?

The hamstrings are muscles at the back of the thigh that help bend the knee and extend the hip. A strain can cause sudden pain during a sprint, kick, jump, or awkward stretch. Tenderness, tightness, bruising, swelling, and pain with walking may follow. The location and intensity can vary with the injured tissue, so a physical examination is useful when the diagnosis is uncertain.

Stop the movement that caused the pain and walk only as comfortably as possible. In the early phase, protect the area from forceful stretching and use a cold pack wrapped in cloth for short periods if it helps. As pain eases, a physiotherapist can guide gradual loading, beginning with controlled movements and progressing toward running or sport-specific tasks. Returning too quickly can provoke another flare.

Arrange assessment when there is marked bruising, a visible dip in the muscle, substantial swelling, difficulty taking steps, or pain that is not improving. Seek urgent help for severe pain after a major injury or new numbness or weakness in the leg. A clinician can check whether the injury is near the knee or pelvis and whether imaging is needed.

Ask which activities are safe now, when strengthening should begin, and what level of discomfort is acceptable during exercise. Ask how readiness for running, work, or sport will be tested and how to reduce the chance of reinjury.