PECTORALIS MINOR

Pectoralis Minor muscle

Origin of Pectoralis Minor

3rd to 5th ribs near their costal cartilages.

Insertion of Pectoralis Minor

Medial border and superior surface of coracoid process of scapula.

Muscle Action/Function of Pectoralis Minor

Stabilizes scapula by drawing it inferiorly and anteriorly against thoracic wall.

Arterial (Blood) Supply of Pectoralis Minor

Pectoral branch of the thoracoacromial trunk.

Pectoralis Minor Video

Pectoral Muscles - Pectoralis Minor

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