Which pair of muscles is antagonistic to each other in action?
A)the zygomaticus and the orbicularis oris
B)the trapezius and the sternocleidomastoid
C)the internal obliques and the intercostal muscles
D)the latissimus dorsi and the trapezius
E)the orbicularis oris and the orbicularis oculi

Question

Quizplus · Accepted Answer

The trapezius and the sternocleidomastoid muscles are antagonistic; the trapezius extends the neck, while the sternocleidomastoid flexes it.

Which Pair of Muscles Is Antagonistic to Each Other in Action