04 Gross Anatomy of Skeletal Muscles

Question 1

covers the frontal bone; allows you to raise your eyebrows and to wrinkle your forehead

Answer 1

Frontalis

Question 2

covers the posterior aspect of the skull and pulls the scalp posteriorly

Answer 2

Occipitalis

Question 3

• run in circles around the eyes (eyebags area)
• allows you to close your eyes, squint, blink, and wink

Answer 3

Orbicularis Oculi

Question 4

circular muscle of the lips; “kissing” muscle

Answer 4

Orbicularis Oris

Question 5

flattens the cheek
chewing muscle

Answer 5

buccinator

Question 6

extends from the corner of the mouth to the
cheekbone; “smiling” muscle

Answer 6

Zygomaticus

Question 7

covers the angle of the lower jaw as it runs from the zygomatic process of the temporal bone to the mandible; closes the jaw by elevating the mandible

Answer 7

Masseter

Question 8

fan-shaped muscle overlying the temporal bone. It inserts into the mandible and acts as a synergist of the masseter in closing the jaw

Answer 8

Temporalis

Question 9

covers the anterolateral neck;
- originates from the connective tissue covering of the chest muscles and inserts into the area around the mouth;
- “sad clown” face muscle as it pulls the corners of the mouth inferiorly

Answer 9

Platysma

Question 10

they flex your neck
two- headed muscles, one found on each side of the neck- one arises from the sternum, and the other arises from the clavicle

Answer 10

Sternocleidomastoid

Question 11

Head and Neck Muscles: Facial Muscles
- frontalis
- occipitalis
- orbicularis oculi
- orbicularis oris
- buccinator
- zygomaticus
- masseter
- temporalis
- platysma
- sternocleidomastoid

Question 12

MUSCLES OF FACIAL EXPRESSION: MICROEXPRESSIONS

GUESS
- EPICRANIUS MUSCLE
• FRONTALIS
• OCCIPITALIS
ZYGOMATICUS
• ZYGOMATICUS MAJOR
• ZYGOMATICUS MINOR

Answer 12

Surprise

Question 13

Platysma

Answer 13

Extreme Frowning

Question 14

Orbicularis oculi

Answer 14

eyes closing

Question 15

ORBICULARIS ORIS “KISSING MUSCLE”

Answer 15

Lip movement