Cast of a real human spine (approx. 80cm). All the details are superbly shown, with the occiput, nerves, arteries, and movable thigh stumps. Fully flexible model: curvatures, tension and other pathological manifestations can be displayed. The sacrum is opened on the back by a bone flap to show the course of the nerves within the bone. In addition, the individual vertebrae are separated from one another in the colors of the gentle Dorn therapy.