Fig. 2.10 Relationships of the back to other regions.
Cervical region• supports and moves head• transmits spinal cord and   vertebral arteries between   head and neck Thoracic region• support for thoraxLumbar region• support for abdomenSacral region• transmits weight to lower   limbs through pelvic bones• framework for posterior   aspect of pelvisVertebral arteries travelin transverse processes ofC6-C1, then pass throughforamen magnum