Muscles of Facial Expression

Question 1

Epicranius

Answer 1

origin- occipital bone
insertion- eyebrows
function- raise eyebrows

Question 2

Orbicularis Oculi

Answer 2

origin- maxillary & frontal
insertion- around eye
function- blink/squint

Question 3

Orbicularis Oris

Answer 3

origin- mouth
insertion- around mouth
function- kissing motion

Question 4

Buccinator

Answer 4

origin- maxilla & mandible
insertion- around mouth
function- fish face/ sucking

Question 5

Zygomaticus

Answer 5

origin- cheek bone
insertion- corner of mouth
function- smiling

Question 6

Platysma

Answer 6

origin- upper chest
insertion- lower border of mandible
function- frowns, draws mouth down, tightens neck