HSS is the #1 orthopedic hospital in the world and a national leader in rheumatology. This content was created by our physicians and experts. The knee joint can be thought of as a hinge joint, with ...

An injury or arthritis most likely causes pain outside the knee. A doctor can determine the cause based on your other symptoms and the results of imaging tests. Pain on the outer (or lateral ...

Assistant Orthopedic Surgeon, Out-Patient Department, Massachusetts General Hospital; Orthopedic Surgeon, Mt. Sinai Hospital, Boston; Consultant Orthopedic Surgeon ...

Few things are more dreaded among professional athletes than a knee injury. Despite their best efforts, many of them have experienced knee pain associated with injuries like ACL tears and had to ...

Department of Orthopaedics and Traumatology, Queen Mary Hospital, Hong Kong Correspondence to: Dr. Chris Tang, 5/F, Professorial Block, Queen Mary Hospital, 102 Pokfulam Road, Hong Kong.

Knee pain can be a major inconvenience in our everyday lives. It can impact how comfortably we do everyday chores, like walking the dog or mowing our lawn. It can also make it hard — even scary ...

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. About one in four adults experience chronic knee ...

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A dislocated knee is when the three bones of your knee are out of place and aren’t aligned the way they should be. It can happen if the structures in your knee are abnormal. Some people are born ...

What is a knee replacement surgery? Knee replacement, also called knee arthroplasty or total knee replacement, is a surgical procedure to resurface a knee damaged by arthritis. Metal and plastic parts ...

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A swollen knee, also known as a knee effusion or "water on the knee," can be caused by a blow to the knee, an overuse injury, or an underlying infection or disease. To determine the cause, a ...