Medical props model Free postage Anatomical Spine Lumbar Disc Herniation Anatomy Medical Teaching ToolDescription: Features: 1. This model uses a fifth segment lumbar vertebra and a fifth lumbar vertebrae, which are composed of a soft elastic body, which is convenient for the user to demonstrate, lumbar disc herniation, and shows the changes of the human intervertebral disc when the human body bends when it is distorted, 2. This model is widely used in orthopedics, surgery, for clinical teaching, occupational disease prevention, ergonomics, physical