MediPrakt™ Life Size Color Spine with Muscles and Disorders includes occipital bone and cerebellum, circle of Willis, vertebral artery, spinal nerves with sciatic nerve, right brachial plexus, and 1st and 2nd ribs, sacroiliac ligaments. It also displays several muscles including suboccipital triangle, longus capitis, scalene muscles, psoas major and minor, iliacus, gluteus medius and minimus, piriformis and gemellus. This Affordable Muscle Spine displays bone spurs on L5, herniated disc between L4 &L5. In addition, L1, L2 and L3 divide to show compression fractures, osteoporosis, bone tumor, and osteoarthritis of the hip. Spinal Curvatures are color-coded for ease of explanation in classroom and patient settings. We recommend this spine for patient and student education.