Muscles of Head and Neck

Question 1

raises eyebrows, retracts scalp

Answer 1

epicranius

Question 2

widens nostrils

Answer 2

nasalis

Question 3

closes eyes as in blinking

Answer 3

orbicularis oculi

Question 4

closes lips, protrudes lips as for kissing

“the kissing muscle”

Answer 4

orbicularis oris

Question 5

raises corner of mouth as when smiling and laughing

Answer 5

zygomaticus major

Question 6

draws corner of mouth laterally

Answer 6

risorius

Question 7

compresses cheeks inward as when blowing air

Answer 7

buccinator

Question 8

draws angle of mouth downward as when pouting or expressing horror

Answer 8

platysma

Question 9

elevates mandible
1.
2.

Answer 9

masseter and temporalis

Question 10

depresses and protracts mandible and moves it from side to side as when grinding food

Answer 10

lateral pterygoid

Question 11

elevates mandible and moves it from side to side as when grinding food

Answer 11

medial pterygoid

Question 12

flexion of the head and neck, rotation of head to left or right

Answer 12

sternoclediomastoid

Question 13

extends head(as a synergist)

Answer 13

trapezius

Question 14

elevates ribs 1-2, flexion and rotation of neck

Answer 14

scalenes

Question 15

extends head, rotates head
1.
2.

Answer 15

splenius capitis and semispinalis capitis

Question 16

primer mover of jaw closure

Answer 16

masseter

Question 17

used to form the horizontal frown crease on the forehead

Answer 17

frontalis