Muscles of the Head and Neck

Question 1

Name 1 action of the Occipitofrontalis (frontal belly)

Answer 1

Raises eyebrows

Question 2

Name 1 action of the Occipitofrontalis (occipital belly)

Answer 2

Retracts scalp

Question 3

Name 1 action of the Levator Palpebrae Superioris

Answer 3

Elevates upper eyelid

Question 4

Name 1 action of the Orbicularis Oculi

Answer 4

Blinking

Question 5

Name 1 action of the Orbicularis Oris

Answer 5

Closes lips

Question 6

Name 1 action of the Buccinator

Answer 6

Compresses cheeks

Question 7

Name 1 action of the Masseter

Answer 7

Closing jaws (chewing)

Question 8

Name 1 action of the Temporalis

Answer 8

Elevates mandible

Question 9

Name 1 action of the Digastric (anterior belly)

Answer 9

Elevates hyoid

Question 10

Name 1 action of the Digastric (posterior belly)

Answer 10

Elevates hyoid

Question 11

Name 1 action of the Sternocleidomastoid [R & L both contracting]

Answer 11

Flex neck

Question 12

Name 1 action of the Sternocleidomastoid [only 1 contracts]

Answer 12

Lateral neck flexion

Question 13

Name 1 action of the Splenius

Answer 13

Move the neck

Question 14

Name 1 action of the Erector Spinae

Answer 14

Extend the vertebral column