axial muscles

Question 1

the buccinator does what

Answer 1

compresses cheek

Question 2

the depressor labii inferioris does what

Answer 2

depresses lower lip

Question 3

the levator labii superioris does what

Answer 3

elevates upper lip

Question 4

the levator anguli oris does what

Answer 4

elevates corner of mouth

Question 5

the mentalis does what

Answer 5

elevates and protrudes lower lip

Question 6

what is the action of the orbicularis oris

Answer 6

compresses, purses lips

Question 7

what is the action of the risorius

Answer 7

draws corner of mouth to the side

Question 8

what is the action of the depressor anguli oris

Answer 8

depresses corner of mouth

Question 9

the action of the zygomatic major is

Answer 9

retracts and elevates corner of mouth

Question 10

the action of the zygomatic minor is

Answer 10

retracts and elevates upper lip

Question 11

the axtion of the corrugator supercilii is

Answer 11

• pulls skin inferiorly and anteriorly

- wrinkles brow

Question 12

the action of the levator palpebrae superioris is

Answer 12

elevates upper eye lid

Question 13

the action of orbicularis oculi is

Answer 13

closes eye

Question 14

the action of procerus is

Answer 14

• moves nose

- changes position and shape of nostrils

Question 15

the action of nasalis is

Answer 15

• compresses bridge
• depresses tip of nose
• elevates corner of nostrils

Question 16

the action of temporoparietalis is

Answer 16

• tenses scalp

- moves auricle of ear

Question 17

the action of the front belly of occipitofrontalis is

Answer 17

• raises eyebrow

- wrinkles forehead

Question 18

the action of the occipital belly of the occitofrontalis is

Answer 18

tenses and restracts scalp

Question 19

the action of the platysma is

Answer 19

• tenses skin of neck

- depresses mandible