If your knee hurts when you bend it, you may have an injury or another health condition. Depending on the underlying cause, the pain can range in location and intensity. Your knees bend many times ...

Knee pain often results from injuries to muscles, tendons, or ligaments. Deep vein thrombosis is a severe condition that can cause pain behind your knee. Most minor knee injuries can heal on their own ...

Our knee joints take a lot of pounding throughout our lives, which can eventually lead to osteoarthritis and other knee injuries. Knee replacement surgery (knee arthroplasty) is designed to restore ...

Knee strains involve a tendon or muscle tear around the knee. Symptoms can include cramping, spasms, swelling, and bruising. A knee strain can happen due to twisting, overuse of the muscle, or an ...

A newly developed bionic knee could help people with above-the-knee amputations walk and climb with greater ease than they could with a traditional prosthesis. The new prosthesis, described July 10 in ...