Medical props model Human Anatomical Lumbar Disc Herniation Model Medical Learn Aid Anatomy InstrumeDescription: 100% new and high quality Features: This model consists of two with a flexible disc, spinal cord and nerves vertebrae. Shows the mechanism of injury of lumbar hernia. It shows what happens when human's lumbar bends and rolls up. It is a great teaching aid and tool of medical and anatomy learning. This model is much suitable for plastic surgery, surgery, clinical education, occupational disease prevention, physical education, etc.