Osteoarthritis can affect any joint in the body, including the shoulder. Osteoarthritis of the shoulder can affect the two joints in the shoulder area — the acromioclavicular joint and the glenohumeral joint. Early diagnosis and treatment help people with osteoarthritis of the shoulder manage their symptoms.
Cause of Shoulder Osteoarthritis
The shoulder is considered the most movable joint in the body, but because of its range of motion the shoulder is more unstable than other joints. The shoulder is a common site of injury. The ball of the upper arm is actually larger than the shoulder socket that holds it. To remain stable, the shoulder is supported by muscles, tendons, and ligaments.
The degenerative process associated with osteoarthritis can affect the shoulder, though it is less common than in other joints. When osteoarthritis develops in the glenohumeral joint, it is usually the result of a previous injury. Osteoarthritis in the acromioclavicular joint can be painful and cause problems when using the joint for everyday tasks. Read more…
