Facial Muscles

Question 1

Epicranius (Frontal belly of occipitofrontalis)

Answer 1

Located on the forehead.
Frontal belly: Raise eyebrows
Occipital belly: Wiggle ears/scalp

Question 2

Orbicularis Oculi

Answer 2

Encircles the eyes. Sphincter muscle.
Function: Close eyes tight, squint.

Question 3

Orbicularis Oris

Answer 3

Encircles the mouth. Sphincter muscle.
Function: Close the mouth tight, pucker lips.

Question 4

Nasalis

Answer 4

Located on the nose.
Function: Flare nostrils.

Question 5

Levator Labii Superioris

Answer 5

Located above upper lip to side of nose, triangular shape.
Function: Raise angle of mouth, dilate nostrils.

Question 6

Zygomaticus Major

Answer 6

Located on cheek, larger of 2.
Function: Pull upper lip superiorly and laterally (smile).

Question 7

Zygomaticus Minor

Answer 7

Located on cheek, smaller of 2.
Function: Pull upper lip superiorly.

Question 8

Levator Anguli Oris

Answer 8

Located near Zygomaticus muscles.
Function: Raise angle of mouth.

Question 9

Depressor Anguli Oris

Answer 9

Triangular shape. Located below mouth.
Function: Move angle of mouth inferiorly and laterally.

Question 10

Depressor Labii Inferioris

Answer 10

Medial to depressor anguli oris.
Function: Move lower lip inferiorly and laterally.