Behind-the-knee pain could be due to muscle strain or arthritis—or something far more serious. Orthopedic experts say these are the most common causes.

On a submarine, there are a million and one things that can go wrong. And when they do, the crew must lean on its training ...

Restricting the knee in this way helps prevent further damage. Although muscle tightening and swelling make bending or straightening the knee painful, the knee joint itself is not physically ...

With the playoffs a little more than a month away, he is debating the best approach. Should he worry more about the knee or ...

Intra-articular synovial hemangioma of the knee is a relatively rare benign tumor that if left undiagnosed and treated may be ...

In addition to discoloration, the most common signs of bruising include pain and swelling. A knee bruise may also trigger other symptoms such as: If there is a bone bruise, the knee may be ...

Joel Embiid will miss the remainder of the regular season as he and the team continue to look for a long-term solution for a ...

Jan. 20, 2017: In his 30th career NBA game, Embiid suffers a fall and aggravates his left knee, causing him to miss Philadelphia's next three games due to swelling and soreness. Jan. 27 ...