The bursa of the shoulder is a small fluid filled sac that acts as gliding surface for the articulating bones of the shoulder. It can become inflamed as a result of injury, osteoarthritis, or rheumatoid arthritis. It is characterized as swelling, tenderness, and pain in the shoulder. It is commonly treated with temperature therapy, rest, braces and supports. Highland Orthopedic Supply has a large selection of products that are used in the treatment of shoulder bursitis. Need help choosing? Call us at 1-800-583-3771. We will gladly assist.