Muscles / Back
Teres major
- Back
- Shoulder & scapula
- Intermediate layer
Anatomy
- Origin
- Posterior surface of the inferior angle of the scapula
- Insertion
- Medial lip of the intertubercular sulcus of the humerus
- Nerve
- Lower subscapular nerve (C5-C6)
Actions
- Adducts and medially rotates the arm
- Extends the arm from a flexed position
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


