anatomy arthritic arthritis black background bone bones broken bone close up close-up closeup condition cut out detail digits film films finger fingers fracture hand hands health healthcare human body image images imaging industry injury isolated isolated on black joint disease joints medical metacarpal nobody orthopaedic orthopedic osteoarthritis osteopenia osteoporosis phalanges phalanx radiograph radiographs radiography radiology result results rheumatism roentgenogram roentgenograms scan scans skeletal skeleton structure thumb x ray x rays x-ray x-rays xray xrays