Discover the one hidden muscle that could be causing your hip and back pain, and learn how to ease it with simple stretches.

Rafael Nadal, world tennis champion and firm believer in pre-sports rituals, was forced to retire from the Australian Open on Tuesday after suffering an injury to his inner hip. Grimacing in pain, ...

As he's set to miss yet another major tournament, Rafael Nadal is undergoing an arthroscopic surgery to examine a left psoas muscle injury that has kept him out of action for the last few months, ...

An 82 year-old woman on coumadin for atrial fibrillation slipped and fell in the bathroom. After the fall, she had difficulty walking, with pain and bruising in her buttocks and down the back of her ...