disc degeneration

aged anatomy ankylosing arthritic arthritis back body bone bulging care cartilage central chiropractic column compression condition conditions cord ddd degeneration degenerative disc disease disk erosion formation health healthy herniated human illustration inflammation intervertebral joint lumbar medical medicine organ orthopedic osteophyte osteoporosis pain painful posture problem process skeletal spinal spine spondylitis spondylolisthesis system thinning tissue treatment vector vertebra