Facial Muscles (Muscular System)

Question 1

Where is the frontalis ? What is its action?

Answer 1

Forehead

Action=raises eyebrows and wrinkles forehead skin

Question 2

Where is the Temporalis ? What is its action?

Answer 2

Around ear and down into jaw

Action=Closes jaw (bite muscle)

Question 3

Where is the procerus? What is its action?

Answer 3

Skin between eyebrows

Action=wrinkles the area between the eyes (what?/huh? Muscle)

Question 4

Where is the orbicular oculi? What is its action?

Answer 4

Around eyes

Action=close eye (blink muscle)

Question 5

Where is the buccinator? What is its action?

Answer 5

Outer surface of maxilla and mandible

0Action=compresses cheek inward (fish face muscle)

Question 6

Where is the masseter? What is its action?

Answer 6

Lateral surface of lower mandible
Action=closes jaw
(Munching muscle)

Question 7

Where is the orbicular oris? What is its action?

Answer 7

Around eye

Action= moves lips (Kiss muscle)

Question 8

Where is the zygomaticus? What is its action?

Answer 8

Cheek bone

Action= Raises corners of mouth

Question 9

Where is the depressor anguli oris? What is its action?

Answer 9

Lateral muscle on corners of mouth

Action=pulls lips down (frown muscle)

Question 10

Where is the Sternocleidomastoid? What is its action?

Answer 10

upper sternum and upper clavicle to behind the ear
Actions
Flexes the neck
Laterally flexes (side bends) to the same side and rotates it

Question 11

Where is the platysma? What is its action?

Answer 11

Skin on lower face to skin over lower neck

Action: pulls jaw downward “open up”