Osteoarthritis: joints affected
View this image to find out more about osteoarthritis (OA).
- The red joints are those most commonly affected by osteoarthritis.
- OA is the most common form of osteoarthritis, and develops over many years.
- Normal exercise and activity will not cause OA and are good for joints. In OA the protective cushion of cartilage that covers the end of the bones where 2 bones meet to form a joint roughens and becomes thin.
- The most commonly affected joints in OA are the weight-bearing joints such as knees and hips. Finger joints are also often affected.
- OA symptoms are consistently found in people aged over 70, but can occur in younger people.
Last Reviewed: 08 April 2008