Muscles of Facial Expression

Question 1

Occipitofrontalis

Answer 1

Elevates eyebrows

Wrinkles skin of forehead

Question 2

Procerus

Answer 2

Pulls medial angle of eyebrows inferiorly, producing transverse wrinkles over bridge of nose

Question 3

Orbicularis Oculi

Answer 3

Acts as orbital sphincter (closes eyelids)

Question 4

Nasalis

Answer 4

Flares nostrils by drawing ala of nose toward nasal septum

Question 5

Levator Labi Superioris Alaeque Nasi

Answer 5

Elevates upper lip

Opens nostril

Question 6

Anterior Auricular Muscles

Answer 6

Pulls ear superiorly and anteriorly

Question 7

Superior Auricular Muscles

Answer 7

Elevates ear

Question 8

Posterior Auricular Muscles

Answer 8

Pull ear superiorly and posteriorly

Question 9

Zygomatic Major

Answer 9

Pulls corner of mouth superiorly and laterally

Question 10

Zygomatic Minor

Answer 10

Pulls lip superiorly

Question 11

Levator Labii Superioris

Answer 11

Elevates upper lip
Dilates nostril
Raises angle of mouth

Question 12

Depressor Labii Inferioris

Answer 12

Pulls lower lip inferiorly and laterally

Question 13

Levator Anguli Oris

Answer 13

Raises angle of mouth

Helps form nasolabial furrow

Question 14

Depressor Anguli Oris

Answer 14

Pulls angle of mouth inferiorly and laterally

Question 15

Buccinator

Answer 15

Presses cheek against molar teeth
Expels air from oral cavity/resists distention when blowing
Unilateral: Draws mouth to one side

Question 16

Orbicularis Oris

Answer 16

Acts as oral sphincter

Question 17

Risorius

Answer 17

Retracts corner of mouth as in grimacing

Question 18

Mentalis

Answer 18

Elevates and protrudes lower lip