Of those, nearly 4% experienced a muscle tear. Stress causes muscles to become ... How do you treat unexplained muscle pain in arms and legs? Treatment for unexplained muscle pain in the arms ...

The second serious tournament injury involves the hamstring, the thick muscle at the back of the thigh that bends your knee and lifts your leg backwards and upwards. The hamstring lengthens and acts ...

Possible causes include sciatica, arthritis, bursitis, GTPS, labral tear, endometriosis, and more. Treatment ... leg can be ...