what is synovitis of the shoulder
Uploaded on Sep 14, 2011. Synovitis is a condition that causes the entire shoulder joint to become swollen and tender. Your shoulder joints are held together by a capsule of tissues and ligaments.The inner-most tissue of the capsule is a membrane called the synovium.The synnovial membrane provides an oil-like fluid that helps lubricate the joints. When the synovium becomes inflamed, it is called synovitis.our shoulder joints are held together by a capsule of tissues and ligaments. The inner-most tissue of the capsule is a membrane called the synovium. The synnovial membrane provides an oil-like fluid that helps lubricate the joints. When the synovium becomes inflamed, it is called synovitis.