Contracting the Right Sternocleidomastoid Muscle Would

Question

Contracting the right sternocleidomastoid muscle would
A) raise the head.
B) lower the head.
C) rotate the head toward the right.
D) rotate the head toward the left.
E) hyperextend the head.

Accepted Answer

Contracting the right sternocleidomastoid muscle results in the head rotating toward the left. This muscle functions to rotate the head to the opposite side and flex the neck.