the knee is vulnerable to injury. The knee is one of the most complex joints in your body. It can flex, extend, and twist from side to side. Your knees make it possible for you to walk ...

Knee pain is one of the most common aches that runners will likely experience at some point throughout their lifetime. In ...

The most common form of inflammatory arthritis is rheumatoid arthritis. Your immune system attacks the tissues that line your knee joint. It damages your cartilage and causes pain and stiffness.

One of the most common knee ligament injuries is to a ligament called the ACL (anterior cruciate ligament). There are more than 200,000 of these a year. In half the cases, people need surgery to ...