Chapter 11

Question 1

What are the five facial muscles?

Answer 1

1) Frontalis
2) Orbicularis oculi
3) Orbicularis Oris
4) buccinator
5) Zygomaticus

Question 2

What are the three chewing muscles?

Answer 2

1) Masseter
2) Temporalis
3) Buccinator

Question 3

Describe the frontalis

Answer 3

• covers the frontal bone and one’s to the skin of the eyebrows
• wrinkles for head, inserts, and raises eyebrows

Question 4

Describe the Orbicularis oculi

Answer 4

• runs in circles around the eyes
• closes eyes, squint, blink, and wink

Question 5

Describe The Orbicularis Oris

Answer 5

• circle muscle of lips (kissing muscle)
• Closes mouth and protrudes lips

Question 6

Describe the buccinator

Answer 6

• horizontal across cheek and inserts into Oris

Question 7

Describe The zygomaticus

Answer 7

• corner of mouth to cheekbone (smiling muscle)
  -raises mouth corners

Question 8

Describe the masseter

Answer 8

-from zygomatic process to mandible

Question 9

Describe The temporalis

Answer 9

• synergist to masseter, fan shaped, overlies, temporal bone, and inserts into mandible

Question 10

Describe The scalene muscles

Answer 10

-Elevates the ribs

Question 11

Describe The sternocleidomastoid

Answer 11

-flexes cervical portion
-flexes head at atlanto-axial joint