This model is divided into two groups of four normal size proportion of vertebrae Includes a combination of normal vertebral body and three groups of lesions in the vertebral body combination.

Can be divided into two groups for the first group showed normal vertebral bodies contrast of intervertebral disc and intervertebral disc herniation; The second group demonstrated vertebral bone and intervertebral disc degeneration, and the osteoporosis compression of bone and bone spurs.