Muscles / Back
Semispinalis thoracis
- Back
- Back & spine
- Deep layer
Anatomy
- Origin
- Transverse processes of T6-T10
- Insertion
- Spinous processes of C6-T4
- Nerve
- Posterior rami of spinal nerves
Actions
- Extends the thoracic spine
- Rotates it to the opposite side
Exercises that train it most
Also trained by
References (4)
- Standring S, ed. Elsevier. Gray's Anatomy: The Anatomical Basis of Clinical Practice. 42nd ed.
- Dalley AF, Agur AMR. Wolters Kluwer. Moore's Clinically Oriented Anatomy. 9th ed.
- Neumann DA. Elsevier. Kinesiology of the Musculoskeletal System: Foundations for Rehabilitation. 3rd ed.
- Betts JG, Young KA, Wise JA, et al. OpenStax (free, openly licensed textbook). Anatomy and Physiology 2e