Facial

Question 1

Epicranius

Answer 1

Origin: occipital bone

Insertion: skin around eye

Action: elevates eye brows

Question 2

Orbicularis oculi

Answer 2

Origin:maxilla and frontal bone

Insertion:skin around eye

Action: closes eye as in blinking

Question 3

Orbicularis oris

Answer 3

Origin: muscles near the mouth

Insertion: skin of central lip

Action: closes lips, protrudes lips as in kissing

Question 4

Buccinator

Answer 4

Origin: alveolar processes of maxilla and mandible

Insertion:Orbicularis oris

Action: compress cheeks

Question 5

Zygomaticus major

Answer 5

Origin:Zygomatic bone

Insertion:skin and muscles at corner of mouth

Action:elevates corner of mouth as when smiling

Question 6

Zygomaticus minor

Answer 6

Origin: zygomatic bone

Insertion: skin and muscle at corner of the mouth

Action: elevates corner of mouth as when smiling

Question 7

Plastysma

Answer 7

Origin:fascia in upper chest

Insertion: skin and muscles below mouth; mandible

Action depresses lower lip and angle of mouth when pouting