lower back, suffering from ankylosing spondylitis

ankylosing arthritis arthrosis back backache backbone bone cartilage coccyx column compression deforming destruction disease hernia hip human iliac ilium inflammation injury ischium joint ligament lumbar orthopaedics orthopaedy orthopedics orthopedy osteoarthritis osteochondrosis osteoporosis pain pelvis rheumatic rheumatism rheumatoid sacroiliac sacrum skeleton spinal spine spondylitis tension trauma traumatic traumatology vertebra vertebrae vertebral