Match each muscle with the corresponding description of its action.
-Cause(s) sideways movement during mastication
A)Buccinator
B)Corrugator supercilii
C)Epicranius
D)Orbicularis oculi
E)Pterygoid
F)Sternocleidomastoid

Question

Quizplus · Accepted Answer

The pterygoid muscle causes sideways movement during mastication.

Answer: A
 The buccinator muscle also contributes to the sideways movement during mastication, as it helps to keep the food between the teeth.

Other muscles listed do not have a significant action in sideways movement during mastication.

Match Each Muscle with the Corresponding Description of Its Action