Osteoarthritis, also known as degenerative joint disease, occurs when the cartilage that covers the tops of bones, known as articular cartilage, degenerates or wears down. This causes swelling, pain, and sometimes the development of bone spurs when the ends of the two bones rub together
Your risk of developing osteoarthritis of the shoulder with its pain and physical limitations increases with age. But an injury, such as a dislocated shoulder, can lead to shoulder osteoarthritis even in young people.
