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.

WWE superstar Drew McIntyre shared graphic footage of the extent of his recent knee injury. Professional wrestlers often ...

The former World Heavyweight Champion revealed on his Instagram stories that he had some excess fluid built up in his knee, and needed to have it drained about 45 minutes before the show went on ...