Origin: Spine of 2nd, 3rd, 4th, 5th thoracic vertebra
Insertion: medial border of the Scapula, between the spine and inferior angle
Function: Adducts and rotates down the shoulder at the Scapulothoracic Joint
Nerve: Dorsal Scapular Nerve
Artery: Descending scapular (transverse cervical) artery