bursitis inflammation concept

bursitis shoulder joint scapula arthritis pain anatomy bursa bone human vector inflammation inflamed disease muscle osteoarthritis hospital xray rheumatoid calcific subacromial acromioclavicular supraspinatus humerus illustration cortisone bursectomy problem rheumatology osteoporosis diagram medical ache traumatology body fitness sport injection clinic deformity hurt treatment scan ligament system normal healthy rotator trauma cuff