Water on the knee, or knee effusion, refers to the buildup of fluid in and around the knee joint. This condition leads to a painful, swollen knee and can be caused by various factors, including ...

Of all causes, overuse is the most common reason for an infused knee. Fluid buildup is your body’s way of protecting the area from extra damage. You may have minor swelling after a vigorous activity.

Your knee contains articular cartilage, which lines your bones and allows you to move without pain or friction. Knee cartilage damage occurs when your articular cartilage chips or wears away. In ...

Quinnipiac University provides funding as a member of The Conversation US. Knee injuries are common in athletes, accounting for 41% of all athletic injuries. But knee injuries aren’t limited to ...