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T-spine Anatomy/Body Parts
Updated March 2026

Thoracic Spine (T-spine)

Definition

The twelve vertebrae (T1-T12) of the mid-back that articulate with the ribs and form the posterior wall of the thoracic cavity. Thoracic spine injuries are less common than cervical or lumbar injuries in workers' compensation but occur with compression fractures, disc herniations, and postural conditions.

Related Terms

Frequently Asked Questions

What is a Thoracic Spine (T-spine)?

The twelve vertebrae (T1-T12) of the mid-back that articulate with the ribs and form the posterior wall of the thoracic cavity. Thoracic spine injuries are less common than cervical or lumbar injuries in workers' compensation but occur with compression fractures, disc herniations, and postural conditions.

How is thoracic spine evaluated in a workers' compensation exam?

Thoracic Spine is assessed during the physical examination portion of a QME or AME evaluation. The examining physician documents range of motion, functional limitations, and any objective findings related to thoracic spine to support their impairment rating.