Retracts Scapula

List Of Muscles Of The Human Body/version 2 - Muscles of Upper Limbs - Vertebral Column
... third of the clavicle, the acromion process and into the spine of the scapula transverse cervical artery major nerve supply is the cranial nerve XI ... part elevates ascending (inferior) part depresses and middle part (or all parts together) retracts scapula descending and ascending parts act together to rotate glenoid cavity superiorly ... fixes the scapula to the thoracic wall ...