Facial Muscles

Question 1

What phoneme for the risorius muscle?

Answer 1

/i/

Question 2

What muscles function is retracting the lips at the corner and grinning?

Answer 2

risorius muscle

Question 3

what is the “kissing muscle”

Answer 3

orbicularis oris muscle

Question 4

What muscles function is to elevate and retract the angle of the mouth, for smiling

Answer 4

zygomatic major muscle

Question 5

What is the origin and insertion for the zygomatic major muscle

Answer 5

origin: zygomatic bone
insertion: corner of the orbicularis oris

Question 6

What muscles function is to close the lips/constricts the oral opening, puckers the lips, used in whistling

Answer 6

orbicularis oris muscle

Question 7

what is the origin and insertion of the levator anguli oris

Answer 7

origin: canine fossa of the maxilla
insertion: orbicularis oris

Question 8

What is the origin and insertion of the orbicularis oris muscle?

Answer 8

corner of the lips

Question 9

What are the origin and insertion for the levator labii superioris?

Answer 9

origin: infraorbital margin of maxilla
insertion: mid-lateral region of upper lip

Question 10

what muscles function is to pull the lower lip out, elevate and wrinkle the skin of chin, and pouting muscles?

Answer 10

mentalis

Question 11

What is the origin and insertion of the depressor anguli oris?

Answer 11

origin: lower border of the mandible
insertion: orbicularis oris and upper lip corner

Question 12

what muscle is the vertical paired muscle?

Answer 12

levator anguli oris

Question 13

what muscles action is to pull the eyebrows up and wrinkles the forehead?

Answer 13

frontalis muscle

Question 14

what is the origin and insertion of the depressor labii inferioris?

Answer 14

origin: mandible
insertion: lower lip

Question 15

What are the related phonemes of the orbiculris oris muscle?

Answer 15

/b,p,m/, /f,v/, rounded vowels - /u,o/, /r/

Question 16

What are the origin and insertion for the buccinator?

Answer 16

origin: ptyergomandibular ligament
insertion: corner of the mouth

Question 17

What is the speech function for orbicularis oris muscle

Answer 17

any speech phonemes that involves lip rounding or lip contact with other articulators

Question 18

What muscles function is to draw the corners of the mouth up and medially?

Answer 18

levator anguli oris

Question 19

what is the origin and insertion of the mentalis?

Answer 19

origin: incisive fossa of mandible
insertion: skin of chin below

Question 20

What are the origin and insertion of the risorius muscle?

Answer 20

origin: posterior region of the face along the masseter muscle
insertion: corner of the mouth

Question 21

What muscles function is to elevate the upper lip?

Answer 21

levator labii superioris & zygomatic minor

Question 22

What muscle has the function to pull the lips down and out?

Answer 22

depressor labii inferioris

Question 23

what are the 5 branches of the facial nerve?

Answer 23

temporal
zygomatic
buccal
mandibular
cervical

Question 24

What muscles function is to compress the cheek for chewing (move food onto molaris) and constricts oropharynx?

Answer 24

buccinator muscle

Question 25

what muscle has the function to depress the corner of the mouth, compress upper lip against lower lip and frown?

Answer 25

depressor anguli oris