Identify the features of the vertebrae and define differences amongst the levels. Understand the vertebral joints and joints of the thoracic cage and bony pelvis. Identify the features of the intervertebral (IV) discs. Define the ligaments which stablize the vertebral column. Understand the curatures of the spine. Define the features of the spinal cord as it traverses the vertebral column. Describe the layers of the meninges and their functional role(s). Define the back musculature. Describe the actions of the muscles of the back.