The lumbar spine is the source of a lot of lower back pain. When patients complain about pain is going down to their legs, that’s usually coming out of this section of the spine, explains Dr. Georgiy Brusovanik, Spine Surgeon with Baptist Health South Florida,

The specialist describes with a digital imaging the anatomy of the spinal cord. He says there are bones and discs. In the thoracic spine, discs move very little. The rib cage makes the thoracic spine fairly immovable.