Trapezius muscle is attached to all structures EXCEPT: (A) First rib, (B) Clavicle, (C) Scapula, (D) Occiput
Answer is A. Trapezius is a upper back muscle triangular in shape. Origin- Occipital bone Cervical spine Thoracic spine Inseion- Clavicle (lateral 1/3rd) Acromian process of scapula Spine of scapula Supplied by Spinal acessory nerve. Action - pulls the shoulder upwards.