The thoracic spine is located between your cervical and lumbar spines, and it serves as an attachment point for your ribs and for many muscles. ... Anatomy of the Thoracic Spine.

The thoracic spine is the longest segment of a person’s spine. It spans from the upper chest to the middle of the back. There are 12 vertebrae in the thoracic spine, known as T1–T12.

This article looks at the spinal cord’s function and anatomy and includes an interactive diagram. The spinal cord is a long bundle of nerves and cells that carries signals between the brain and ...

Ligaments and muscles connect these vertebrae, and a disc separates most of the vertebrae and acts like a cushion to absorb shock along the spine. Each vertebra is numbered and grouped into 5 regions.

The muscles of the lower back help stabilize, rotate, flex, and extend the spinal column, which is a bony tower of 24 vertebrae that gives the body structure and houses the spinal cord.