femoral head disease

femoral head osteoarthritis hip disease osteonecrosis avascular necrosis aseptic replacement orthopedic surgery acetabulum joint pain pelvic thigh bone tissue medical arthroplasty surgical fracture degenerative implant rheumatoid arthritis procedure failure operation conditions strength skeleton medicine orthopaedic concept femur osteoporosis pelvis aging body anatomy health conceptual osteopathy skeletal style healthy compared damaged