Outline 15 - Muscles of the face

Question 1

what are 3 elevator muscles of mastication (chewing)?

Answer 1

a. temporalis
b. masseter
c. medial pterygoid

Question 2

temporalis is ___ shaped

Answer 2

fan

Question 3

what is the strongest/biggest muscle for chewing ?

Answer 3

masseter

Question 4

what is the most most important muscle for speech ?

Answer 4

medial pterygoid

Question 5

what are the 4 depressor muscles of mastication ? (think: “LAGMA”)

Answer 5

a. Lateral pterygoid
b. Geniohyoid
c. Mylohyoid
d. Anterior belly of digastrics

Question 6

what are the muscles for Rounding/Pursing/Puckering (lips)?

Answer 6

1. Orbicularis oris
2. Incisivus labii superior
3. Incisivus labii inferior

Question 7

what are the muscles for retraction/smiling ?

Answer 7

1. buccinator

2. risorius

Question 8

what are the muscles for Elevation/Smiling?

Answer 8

1. Quadratus labii superior (3 parts)
   a. Levator labii superior (angular)
   b. Levator labii alaeque nasi (infraorbital)
   c. Zygomatic minor
2. Canine (levator anguli oris)
3. Zygomatic major (sygomatic)

Question 9

what are the muscles for Depression/Frowning?

Answer 9

1. Triangularis (depressor anguli oris)
2. Quadratus labii inferior (depressor labii inferior)
3. Mentalis (chin muscle)
4. Platysma

Question 10

what are the muscles of the Forehead ?

Answer 10

i. Occipital Frontalis

ii. Procerus muscle (Pyramidalis nasi)

Question 11

what are the muscles for the Eyes?

Answer 11

i. Orbicularis occuli “Orbicularis Palpebrarum”
- Palpebral portion
- Orbital portion

Question 12

what are the muscles for the Ear?

Answer 12

i. Anterior auricularis
ii. Superior auricularis
iii. Posterior auricularis

Question 13

Hair (posterior head)

Answer 13

Occipital frontalis

Question 14

what kind of joint is laterization?

Answer 14

condyloid joint motion to grind food (up, down, left, and right)

Question 15

orbicularis oris

Answer 15

tight lips for eating, puckering,

Question 16

Incisivus labii superior (levator)

Answer 16

raising of corners of mouth

Question 17

Incisivus labii inferior (depressor)

Answer 17

draws corners of mouth down

Question 18

Palpebral portion of orbicularis palpebrum

Answer 18

closes eyelid (blinking)

Question 19

Orbital portion of orbicularis palpebrum function

Answer 19

closes eyelid (squeezes/tight)

Question 20

- covers the whole top of your head from the occiput (bump on the back 
of your head)
- draws scalp backward
- wrinkle forehand
- raises eyebrow/nose
- up/down contraction

what forehead muscle is this?

Answer 20

occipital frontalis (forehead)

Question 21

procerus muscle (pyramidalis nasi) (forehead)

Answer 21

• mixes with occipital

- draws eyebrows closer together

Question 22

Pulls the condyloid forward to drop the jaw. It has two heads; the Superior head and Inferior head.

what depressor is this?

Answer 22

Lateral pterygoid

Question 23

: muscle of cheek retraction. Closes the buccal cavity. Draws corners of the mouth laterally and posteriorly. Pulls lips backwards. Also sucks in lips against teeth.

what Retraction/Smiling muscle is this?

Answer 23

Buccinator

Question 24

posterior part draws the scalp backwards making your hair move.

what muscle is this?

Answer 24

Occipital frontalis

Question 25

chewing and the stomach gets ready for digestion by making acid. what phase is this?

Answer 25

Oral phase

Question 26

gather a wad (bolus), propel it backwards, the larynx comes up and closes, and the esophagus opens what phase is this?

Answer 26

Pharyngeal phase

Question 27

Esophageal phase

Answer 27

??

Question 28

True or False. Facial expression is a biological function. Emotions are biological

Answer 28

True