Muscles of facial expression

Question 1

occipitalfrontalis- frontal belly

Answer 1

attaches to epicranial aponeurosis and skin of eyebrows/forehead
elevates eyebrows and wrinkles skin of forehead (surprise or curiosity)

Question 2

occipital frontalis- occipital belly

Answer 2

attaches to epicranial aponeurosis and superior nuchal line

retracts scalp, helps frontal belly

Question 3

orbicularis oculi

Answer 3

closes eyelids
palpebral part does so gently
orbital part tightly (winking)

Question 4

corrugator supercilii

Answer 4

draws eyebrows medially and inferiorly, creating vertical wrinkles above nose (concern/worry)

Question 5

procerus & transverse part of nasalis

Answer 5

depresses medial end of eyebrow, wrinkles skin over dorsum of nose (disdain or dislike)

Question 6

alar part of nasalis and levator labii superioris alaeque nasii

Answer 6

depresses ala laterally, dilating anterior nasal aperture, flaring nostrils (anger or exertion)

Question 7

obicularis oris

Answer 7

closes oral fissure, compresses and protrudes lips (kissing) or resists distension (when blowing)

Question 8

levator labii superioris

Answer 8

part of dilators of mouth, retract and/ or evert upper lip, deepen nasolabial sulcus (showing sadness)

Question 9

zygomaticus minor

Answer 9

part of dilators of mouth, retract and/ or evert upper lip, deepen nasolabial sulcus (showing sadness)
works with levator labii superioris

Question 10

buccinator

Answer 10

presses cheek against molar teeth, works with tongue to keep food between occlusal surfaces and out of oral vestibule, resists distension (when blowing)

Question 11

zygomaticus major

Answer 11

part of dilators of mouth, elevate labial commissure bilaterally to smile, unilaterally to sneer

Question 12

levator anguli oris

Answer 12

part of dilators of mouth, widens oral fissure when grinning or grimacing

Question 13

risorius

Answer 13

part of dilators of mouth, depresses labial commissure bilaterally to frown
works with depressor anguli oris

Question 14

depressor labii inferioris

Answer 14

part of dilators of mouth, depresses and or everts lower lip (pouting)

Question 15

mentalis

Answer 15

elevates and protrudes lower lip, elevates skin of chin (doubt)

Question 16

platysma

Answer 16

depresses mandible, tenses skin of inferior face and neck (tension/stress)