human spine model on a gray background. disc protrusion treatment. space for text

anatomical anatomy backbone cancer chiropractor column deformation design disc disease flexible fracture hammer health healthy hernia herniated human hyperkyphosis hyperlordosis illness kyphosis lordosis lumbar medicine model nerve neurology neurosurgery osteochondrosis osteopathy pain posture protrusion radiculitis reflex sacrum scoliosis spinal spine study surgery treatment vertebra vertebral warping