Face - Muscles

Question 1

What is this structure?

Answer 1

Temporalis

Temporalis

Question 2

Origin?

Answer 2

• Temporal bone
• Frontal bone
• Parietal bone

Temporalis

Question 3

Insertion?

Answer 3

Coronoid process of mandible

Temporalis

Question 4

Innervation?

Answer 4

CN V3

Temporalis

Question 5

Function?

Answer 5

Elevates mandible to close jaw

Temporalis

Question 6

What is this structure?

Answer 6

Masseter

Masseter

Question 7

Origin?

Answer 7

Zygomatic process of temporal and zygomatic bone

Masseter

Question 8

Insertion?

Answer 8

Lateral surface of mandible

Masseter

Question 9

Innervation?

Answer 9

CN V3

Masseter

Question 10

Function?

Answer 10

Elevates mandible to close jaw

Masseter

Question 11

What is this structure?

Answer 11

Buccinator

Buccinator

Question 12

Origin?

Answer 12

• Mandible
• Maxilla

Buccinator

Question 13

Insertion?

Answer 13

Lateral angle of mouth

Buccinator

Question 14

What is this structure?

Answer 14

Orbicularis oris

Orbicularis oris

Question 15

What is this structure?

Answer 15

Muscles of facial expression

Muscles of facial expression

Question 16

What is this structure?

Answer 16

Platysma

Platysma

Question 17

What is this structure?

Answer 17

Medial pterygoid

Medial pterygoid

Question 18

What is this structure?

Answer 18

Orbicularis oculi

Orbicularis oculi

Question 19

What is this structure?

Answer 19

Lateral pterygoid

Lateral pterygoid

Question 20

What is this structure?

Answer 20

Frontalis

Frontalis

Question 21

Innervation?

Answer 21

CN VII

Buccinator

Question 22

Function?

Answer 22

Tightens cheek

Buccinator

Question 23

Origin?

Answer 23

Pterygoid processes of:
* Sphenoid
* Palatine
* Maxilla

Medial pterygoid

Question 24

Insertion?

Answer 24

Medial surface of mandible

Medial pterygoid

Question 25

Innervation?

Answer 25

CN V3 | Medial pterygoid

Question 26

Function?

Answer 26

* Elevates mandible to close jaw * Small grinding movement to aid chewing | Medial pterygoid

Question 27

Origin?

Answer 27

* Greater wing of sphenoid * Pterygoid processes | Lateral pterygoid

Question 28

Insertion?

Answer 28

* Joint capsule of temporomandibular joint * Neck of condyloid process of mandible | Lateral pterygoid

Question 29

Innervation?

Answer 29

CN V3 | Lateral pterygoid

Question 30

Function?

Answer 30

* Protracts mandible and depresses chin to to open jaw * Moves jaw back and forth to aid chewing | Lateral pterygoid

Question 31

Origin?

Answer 31

Aponeurosis of scalp | Frontalis

Question 32

Insertion?

Answer 32

Skin of forehead | Frontalis

Question 33

Innervation?

Answer 33

CN VII (Facial) | Frontalis

Question 34

Function?

Answer 34

* Elevates eyebrows * Furrows brow | Frontalis

Question 35

Origin?

Answer 35

Margin of orbit | Orbicularis oculi

Question 36

Insertion?

Answer 36

Skin around: * Orbit * Eyelids | Orbicularis oculi

Question 37

Innervation?

Answer 37

CN VII (Facial) | Orbicularis oculi

Question 38

Function?

Answer 38

Closes eyelids, winking, squinting | Orbicularis oculi

Question 39

Origin?

Answer 39

* Maxilla and mandible * Skin around mouth | Orbicularis oris

Question 40

Insertion?

Answer 40

Skin/mucous membrane of lips | Orbicularis oris

Question 41

Innervation?

Answer 41

CN VII (Facial) | Orbicularis oris

Question 42

Function?

Answer 42

Closes lips, protrudes lips, moves lips | Orbicularis oris

Question 43

Origin?

Answer 43

Varied- Different bones and skin around face | Muscles of facial expression

Question 44

Insertion?

Answer 44

Skin of face | Muscles of facial expression

Question 45

Innervation?

Answer 45

CN VII (Facial) | Muscles of facial expression

Question 46

Function?

Answer 46

Various facial expressions | Muscles of facial expression

Question 47

Origin?

Answer 47

Skin near clavicle | Platysma

Question 48

Insertion?

Answer 48

Skin near mandible, lower lip | Platysma

Question 49

Innervation?

Answer 49

CN VII (Facial) | Platysma

Question 50

Function?

Answer 50

Tenses skin of inferior face/neck | Platysma