Which of the following muscles is involved in producing horizontal wrinkles in the forehead?
A)the zygomaticus major
B)the frontal belly of the epicranius
C)the medial pterygoid
D)the temporalis

Question

Quizplus · Accepted Answer

The frontal belly of the epicranius muscle is responsible for raising the eyebrows and producing horizontal wrinkles in the forehead. The zygomaticus major muscle is involved in smiling, the medial pterygoid muscle is involved in chewing, and the temporalis muscle is involved in closing and retracting the jaw.

Which of the Following Muscles Is Involved in Producing Horizontal