What is knee arthritis?

There are more than 100 different types of arthritis and the major types that affect the knee are osteoarthritis, rheumatoid arthritis, and posttraumatic arthritis. There is no cure for arthritis, but there are many treatment options to help relieve pain and stay active. read more

There are three different types of arthritis that can affect the knees, the most common of which is osteoarthritis (OA). Rheumatoid arthritis (RA) and post-traumatic arthritis can also affect the knee. read more

The most common cause of osteoarthritis of the knee is age. read more

Osteoarthritis is the most common form of arthritis in the knee. It is a degenerative,"wear-and-tear" type of arthritis that occurs most often in people 50 years of age and older, but may occur in younger people, too. In osteoarthritis, the cartilage in the knee joint gradually wears away. read more