Facial Muscle Movements

Question 1

Frontalis:

Answer 1

raises eyebrows, wrinkles forehead

-facial nerve

Question 2

Occipitalus:

Answer 2

retraction of scalp

-facial nerve

Question 3

Orbioularis Oculi:

Answer 3

closes eyelids to squint/blink

-facial nerve

Question 4

Levator Labii Superioris:

Answer 4

Elevates/raises upper lip

-facial nerve

Question 5

Orbicularis Oris:

Answer 5

closes & protrudes lips for speaking, kissing, whistling

-facial nerve

Question 6

Zygamaticus MINOR

Answer 6

raises upper lip

-facial nerve

Question 7

Zygomaticus MAJOR:

Answer 7

raises lateral/side corners of mouth for smiling

-facial nerve

Question 8

Buccinator:

Answer 8

compress cheeks

• fish face
• facial nerve

Question 9

Depressor Anguli Oris:

Answer 9

Depress angle of mouth

-facial nerve

Question 10

Temporomandibular Joint (TMJ):

Answer 10

evevation & depression of jaw 3 main parts responsible for eating

Question 11

Temporalis:

Answer 11

Jaw muscle
closes mouth
grinds teeth side-to-side

Question 12

Masseter:

Answer 12

Main chewing muscle

Question 13

lateral & Medial Pterygoid:

Answer 13

muscle assists in chewing action
jaw rotation
projection of lower jaw