Kneecap injuries can cause pain, swelling, and instability that need medical evaluation. Some injuries can happen due to overuse of the knee over time. Treatment usually involves rest, ice, and ...

Keanu Reeves' knee "cracked like a potato chip" in a freak accident when he tripped on a piece of carpet on a movie set. The John Wick star, 59, suffered a fractured kneecap after falling over while ...

Knee pain is the most common musculoskeletal complaint that brings people to the doctor. It affects about 25% of U.S. adults. Several different things can lead to knee pain, and the treatments for it ...