Origin: Outer suface and upper margin of 3rd 4th and 5th ribs
Insertion: Coracoid process of the Scapula
Function: Lowers angle of scapula, pulls shoulder forward at the Scapulothoracic Joint
Nerve: Medial Pectoral Nerve
Artery: Pectoral branch of Thoracoacromial artery and the Lateral thoracic artery