Muscles of the Face, Head, & Neck

Question 1

Epicranius or Frontalis Origin

Answer 1

Aponeurosis on occipital bone

Question 2

Epicranius or Frontalis Insertion

Answer 2

Skin and muscle around eye

Question 3

Epicranius or Frontalis Action

Answer 3

Raises eyebrows; wrinkles forehead

Question 4

Occipitalis Origin

Answer 4

Mastoid process and occipital bone

Question 5

Occipitalis Insertion

Answer 5

Aponeurosis

Question 6

Occipitalis Action

Answer 6

Pulls scalp backwards

Question 7

Orbicularis Oculi Origin

Answer 7

Maxillary and frontal bones

Question 8

Orbicularis Oculi Insertion

Answer 8

Tissue of the eye-lids

Question 9

Orbicularis Oculi Action

Answer 9

Close and squint eyes

Question 10

Orbicularis Oris Origin

Answer 10

Maxilla, mandible, and septum of the nose

Question 11

Orbicularis Oris Insertion

Answer 11

Lips

Question 12

Orbicularis Oris Action

Answer 12

Closes lips; protrude for kissing

Question 13

Buccinator Origin

Answer 13

Alveolar processes of maxilla and mandible

Question 14

Buccinator Insertion

Answer 14

Orbicular oris

Question 15

Buccinator Action

Answer 15

Compresses cheek

Question 16

Temporalis Origin

Answer 16

Portions of the frontal, parietal, and temporal bones

Question 17

Temporalis Insertion

Answer 17

Coronoid process and anterior ramus of mandible

Question 18

Temporalis Action

Answer 18

Raises and retracts the mandible

Question 19

Masseter Origin

Answer 19

Zygomatic arch

Question 20

Masseter Insertion

Answer 20

Lateral surface of mandible

Question 21

Masseter Action

Answer 21

Closes jaw; aids in chewing

Question 22

Platysma Origin

Answer 22

Fascia on upper chest muscles

Question 23

Platysma Insertion

Answer 23

Lower border of mandible and skin at corner of mouth

Question 24

Platysma Action

Answer 24

Pulls the lower lip backwards and downward

Question 25

Sternocleidomastoid Origin

Answer 25

Manubrium of the sternum and sternal end of the clavicle

Question 26

Sternocleidomastoid Insertion

Answer 26

Mastoid process

Question 27

Sternocleidomastoid Action

Answer 27

Flexes head and neck; rotates head to left or right

Question 28

Trapezius Origin

Answer 28

Occipital bone, cervical and thoracic vertebrae

Question 29

Trapezius Insertion

Answer 29

Spine and acromion of the scapula and the outer clavicle

Question 30

Trapezius Action

Answer 30

Extends head backwards, rotates and retracts scapula, elevates scapula, depresses scapula

Question 31

Major & Minor Zygomaticus Origin

Answer 31

Zygomaticus muscle on the zygomatic bone

Question 32

Major & Minor Zygomaticus Insertion

Answer 32

Orbicularis oris

Question 33

Major & Minor Zygomaticus Action

Answer 33

Raises corner of mouth as when smiling & laughing

Question 34

Internal or Medial Pterygoid Origin

Answer 34

Maxilla, sphenoid, and palatine bones

Question 35

Internal or Medial Pterygoid Insertion

Answer 35

Medial surface of mandible

Question 36

Internal or Medial Pterygoid Action

Answer 36

Elevates mandible; move jaw from side to side

Question 37

External or Lateral Pterygoid Origin

Answer 37

Sphenoid bone

Question 38

External or Lateral Pterygoid Insertion

Answer 38

Neck of the mandibular condyle and the articular disk of the joint

Question 39

External or Lateral Pterygoid Action

Answer 39

Opens mouth; moves jaw from side to side

Question 40

Triangularis Origin

Answer 40

Mandible

Question 41

Triangularis Insertion

Answer 41

Orbicularis Oris

Question 42

Triangularis Action

Answer 42

Depresses corner of mouth

Question 43

Risorius Origin

Answer 43

Fascia near the ear

Question 44

Risorius Insertion

Answer 44

Corner of mouth

Question 45

Risorius Action

Answer 45

Pulls corners laterally

Question 46

Nasalis Origin

Answer 46

Maxilla

Question 47

Nasalis Insertion

Answer 47

Bridge of nose

Question 48

Nasalis Action

Answer 48

Widens nostrils

Question 49

Quadratus Labii Superioris Origin

Answer 49

Upper part of maxilla & portion of zygomatic bone

Question 50

Quadratus Labii Superioris Insertion

Answer 50

Superior margin of orbicular oris or skin of upper lip

Question 51

Quadratus Labii Superioris Action

Answer 51

Furrow the upper lip

Question 52

Quadratus Labii Inferioris Origin

Answer 52

Mandible

Question 53

Quadratus Labii Inferioris Insertion

Answer 53

Orbicular oris or skin of lower lip

Question 54

Quadratus Labii Inferioris Action

Answer 54

Pulls lip down