BACK MUSCLE ANATOMY
INTRODUCTION OF BACK MUSCLE Back muscle anatomy are 1) TRAPEZIUS Origin : Spinous process C7 , T1-T12 , occipital bone. Insertion : Clavicle ( lateral 1/3 ) , Acromions process and spine of scapula. Action : – Elevates and retracts the scapula – Stabilizes the scapula . Nerve supply : – Accessory nerve – C3 …