spinal deformity. of spine curvatures or unhealthy backbones. human spine anatomy, curved spine. diagram with

spine spinal backbone deformity anatomy medical shape pain health deformation damage column human scoliosis vector bone back body curve curvature posture medicine type anatomical biology illness illustration disease correct lordosis patient concept people bones treatment neuralgia vertebrae trauma isolated man science position structure orthopedics lumbar thoracic cervical abstract scientific