The sternocleidomastoid muscle extends from the mastoid process of the temporal bone to the sternum and medial clavicle. When both sternocleidomastoid muscles contract, the head is flexed. The end of the muscle that connects to the sternum is the ________.

Question

Quizplus · Accepted Answer

The origin of a muscle is the end attached to the immovable or less movable bone, which in the case of the sternocleidomastoid muscle includes the sternum and medial clavicle.

The Sternocleidomastoid Muscle Extends from the Mastoid Process of the Temporal