Muscles / Core
Transversus thoracis
- Core
- Thorax & breathing
- Deep layer
Anatomy
- Origin
- Posterior surface of the lower sternum and xiphoid process
- Insertion
- Internal surfaces of costal cartilages 2-6
- Nerve
- Intercostal nerves (T2-T6)
Actions
- Weakly depresses the ribs (expiration)
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