A more advanced high quality version with inflexible spine. This valuable teaching aid features the spinal column, nerve roots, the vertebral artery, a herniated disc, cartilage highlighted in green and removable 3-piece skull and extremities. This highly accurate version contains 200 bones of an adult human which limbs can be flexed into any natural position and fully articulated (except for the hands and feet). A popular desktop model for rehabilitation, physical therapy and sports medicine professionals. Deluxe iron stand included.