Medically reviewed by Anju Goel, MD The thoracic spine is part of your spinal column and is composed of 12 bones that are ...

Medically reviewed by Isabel Casimiro, MD, PhD Fact checked by Jillian Dara The lumbar spine includes the five vertebrae in ...

The spine (aka backbone) is a linked column of bones running from the head down to the lower ... There are 7 cervical vertebrae in the cervical region. There are 12 thoracic vertebrae in the thoracic ...