Medical props model 1 Set Human Lumbar Lesion Spine Statue Display Model Medical Teaching Learning ToolFeatures: Human Lumbar Lesion Presentation Model This model is divided into two groups of four normal in proportion to the size of the vertebrae consists of a combination of normal vertebral body and three groups of lesions vertebral combination The first group showed normal vertebral disc and disc herniation contrast; The second groups show vertebral and intervertebral disc degeneration, and osteoporosis caused by compression and bone spur