Muscles / Chest
Pectoralis minor
- Chest
- Shoulder & scapula
- Intermediate layer
Anatomy
- Origin
- Ribs 3-5 near their costal cartilages
- Insertion
- Medial border and superior surface of the coracoid process
- Nerve
- Medial pectoral nerve (C8-T1)
Actions
- Stabilises the scapula by drawing it anteriorly and inferiorly against the thoracic wall
- Anteriorly tilts and downwardly rotates the scapula
Also trained by
Notes
- A short pectoralis minor is associated with reduced scapular posterior tilt; the unilateral corner stretch lengthened it most.
References (5)
- Borstad JD, Ludewig PM. J Shoulder Elbow Surg. 2006;15(3):324-330. Comparison of three stretches for the pectoralis minor muscle
- 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