False about sternocleidomastoid is: (A) Arises from sternum and clavicle, (B) Inses on mastoid process, (C) Motor supply by spinal accessory nerve, (D) Tilt the head on opposite side
Answer is D. Actions of sternocleidomastoid - When one sternocleidomastoid muscle contracts, a) It turn the chin to the opposite side, b) It can also tilt the head towards the shoulder of same side Ref : B D Chaurasia's Human Anatomy , sixth edition, volume 3 , pg. no. 89