· The cervical spine includes the 7 vertebrae of the neck.
· The thoracic spine includes 12 vertebrae in the upper and mid back. Each of these vertebrae also has a pair of ribs that make up the chest wall.
· In the low back is the lumbar spine which is made up of 5 very mobile vertebral bodies.
· The sacrum and coccyx are the lowest parts of the spine and are functionally part of the pelvis.