If your knee is swollen, it's also called a knee effusion. Swelling happens when fluid builds up in the knee joint. Sometimes a knee effusion is referred to as “water on the knee,” but that is not a ...

A hyperextended knee, or knee hyperextension, happens when the knee joint bends the wrong way, which may damage the ligaments in the knee. The condition is common in athletes who play high-impact ...

Knee arthritis pain can be a real downer, especially when it disrupts your fitness and wellness goals. While there are countless joint exercises and specialty shoes you can try to diminish this ...

The knee is the largest joint in the body (and one of the most complex), meaning it’s also one of the most problem-prone. While knee strengthening exercises can help keep the joint in tip-top shape, ...

Outside, or lateral, knee pain is a common condition resulting from a range of injuries or underlying medical conditions that affect the outer side of the knee joint. Symptoms of lateral knee pain ...

Because of its complex range of motion and the weight that’s often distributed through the joint, the knee is vulnerable to injury. The knee is one of the most complex joints in your body. It can flex ...