Head, Face, Neck Muscles/ Actions

Question 1

Frontalis

Answer 1

Elevates eyebrows, wrinkles skin of forehead

Question 2

Occipitalis

Answer 2

Draws scalp posteriorly, fixes aponeurosis

Question 3

Orbicularis oris

Answer 3

Closes lips, compresses lips against teeth, protrudes lips, shapes lips during speech, “kissing muscle”

Question 4

Zygomaticus

Answer 4

Draws angle of mouth superiorly and laterally (smiling)

Question 5

Buccinator

Answer 5

Presses cheeks against teeth and lips (whistling, blowing, sucking), draws corner of mouth laterally, keeps food between teeth

Question 6

Platysma

Answer 6

Draws outer part of lower lip inferiorly and posteriorly (pouting), depresses mandible

Question 7

Orbicularis oris

Answer 7

Closes eye

Question 8

Levator palpabrae superioris

Answer 8

Opens eye

Question 9

Masseter

Answer 9

Elevates mandible

Question 10

Temporalis

Answer 10

Elevates and retracts mandible

Question 11

Sternocleidomastoid

Answer 11

Together: flex cervical vertebrae and head; singly: laterally flex and rotate head

Question 12

Splenius

Answer 12

Together: extend head, singly: laterally flex and rotate head