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, ...

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.

Septic arthritis of the knee involves a sudden, severe infection in one or both knee joints. Without treatment, it can impair mobility, lead to permanent damage, or even be fatal. Septic arthritis is ...

The radiograph shows knee effusion, which can be seen as water density above the patella and anterior to the fibula. The next best step in treatment is to perform arthrocentesis to evaluate the fluid ...

Q: What is a Baker's cyst, and what is the best way to get rid of it? A: A Baker's cyst is a collection of fluid behind the knee. It was named after a British surgeon, William Baker, who described ...