quick overview :

lexible Vertebral Column with Femur Heads, Muscle Insertions, Removable Sacral Crest - A fully flexible life size vertebral columnincluding the occipital plate, cervical, thoracic and lumbar vertebrae, sacrum, coccyx, complete pelvis with symphysis and removable femur heads. The model also features representations of the vertebral arteries, spinal nerve branches and prolapsed L3-L4 intervertebral disc. The left side of the skeleton shows the points of origin (red) and the points of insertion (blue) of the muscles. The sacral crest and coccyx are removable to show the sacral section of the spinal cord and associated nerve branches.