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 system disc vertebrae incorrect orthopedics skeletal people disorder infographic skeleton problem compression science orthopedic diagnosis cervical trauma defect neuralgia