bursitis inflammation concept

bursitis shoulder joint scapula arthritis pain anatomy bursa bone human vector inflammation inflamed disease muscle osteoarthritis hospital xray calcific subacromial acromioclavicular supraspinatus humerus illustration cortisone bursectomy cartilage problem rheumatology osteoporosis diagram medical injury ache traumatology body sport clinic surgery deformity treatment scan ligament system silhouette musculoskeletal red rotator trauma cuff