Muscles Of The Head And Neck

Question 1

Orbicularis Oculi

Answer 1

Closes eye

Question 2

Zygomaticus Major

Answer 2

Raises corners of mouth(smiling)

Question 3

Zygomaticus Minor

Answer 3

Raises upper lips, exposing upper teeth

Question 4

Orbicularis Oris

Answer 4

Closes and purses lips

Question 5

Temporalis

Answer 5

Elevated and retracts mandible(jaw)

Question 6

Masseter

Answer 6

Elevates and retracts mandible(chewing)

Question 7

Buccinator

Answer 7

Presses cheeks inward to whistle, blow, and suck. Helps hold food between teeth while chewing.

Question 8

Sternocleidomastoid

Answer 8

Bilateral contractions flexes head

Unilateral contraction rotates to opposite side

Question 9

Occipitofrontalis

Answer 9

Frontal belly: raises eyebrows and wrinkles forehead.

Occipital belly: pulls scalp posteriorly.