Muscles of the Face, Head, & Neck Flashcards

1
Q

Epicranius or Frontalis Origin

A

Aponeurosis on occipital bone

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2
Q

Epicranius or Frontalis Insertion

A

Skin and muscle around eye

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3
Q

Epicranius or Frontalis Action

A

Raises eyebrows; wrinkles forehead

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4
Q

Occipitalis Origin

A

Mastoid process and occipital bone

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5
Q

Occipitalis Insertion

A

Aponeurosis

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6
Q

Occipitalis Action

A

Pulls scalp backwards

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7
Q

Orbicularis Oculi Origin

A

Maxillary and frontal bones

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8
Q

Orbicularis Oculi Insertion

A

Tissue of the eye-lids

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9
Q

Orbicularis Oculi Action

A

Close and squint eyes

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10
Q

Orbicularis Oris Origin

A

Maxilla, mandible, and septum of the nose

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11
Q

Orbicularis Oris Insertion

A

Lips

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12
Q

Orbicularis Oris Action

A

Closes lips; protrude for kissing

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13
Q

Buccinator Origin

A

Alveolar processes of maxilla and mandible

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14
Q

Buccinator Insertion

A

Orbicular oris

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15
Q

Buccinator Action

A

Compresses cheek

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16
Q

Temporalis Origin

A

Portions of the frontal, parietal, and temporal bones

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17
Q

Temporalis Insertion

A

Coronoid process and anterior ramus of mandible

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18
Q

Temporalis Action

A

Raises and retracts the mandible

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19
Q

Masseter Origin

A

Zygomatic arch

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20
Q

Masseter Insertion

A

Lateral surface of mandible

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21
Q

Masseter Action

A

Closes jaw; aids in chewing

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22
Q

Platysma Origin

A

Fascia on upper chest muscles

23
Q

Platysma Insertion

A

Lower border of mandible and skin at corner of mouth

24
Q

Platysma Action

A

Pulls the lower lip backwards and downward

25
Q

Sternocleidomastoid Origin

A

Manubrium of the sternum and sternal end of the clavicle

26
Q

Sternocleidomastoid Insertion

A

Mastoid process

27
Q

Sternocleidomastoid Action

A

Flexes head and neck; rotates head to left or right

28
Q

Trapezius Origin

A

Occipital bone, cervical and thoracic vertebrae

29
Q

Trapezius Insertion

A

Spine and acromion of the scapula and the outer clavicle

30
Q

Trapezius Action

A

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

31
Q

Major & Minor Zygomaticus Origin

A

Zygomaticus muscle on the zygomatic bone

32
Q

Major & Minor Zygomaticus Insertion

A

Orbicularis oris

33
Q

Major & Minor Zygomaticus Action

A

Raises corner of mouth as when smiling & laughing

34
Q

Internal or Medial Pterygoid Origin

A

Maxilla, sphenoid, and palatine bones

35
Q

Internal or Medial Pterygoid Insertion

A

Medial surface of mandible

36
Q

Internal or Medial Pterygoid Action

A

Elevates mandible; move jaw from side to side

37
Q

External or Lateral Pterygoid Origin

A

Sphenoid bone

38
Q

External or Lateral Pterygoid Insertion

A

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

39
Q

External or Lateral Pterygoid Action

A

Opens mouth; moves jaw from side to side

40
Q

Triangularis Origin

A

Mandible

41
Q

Triangularis Insertion

A

Orbicularis Oris

42
Q

Triangularis Action

A

Depresses corner of mouth

43
Q

Risorius Origin

A

Fascia near the ear

44
Q

Risorius Insertion

A

Corner of mouth

45
Q

Risorius Action

A

Pulls corners laterally

46
Q

Nasalis Origin

A

Maxilla

47
Q

Nasalis Insertion

A

Bridge of nose

48
Q

Nasalis Action

A

Widens nostrils

49
Q

Quadratus Labii Superioris Origin

A

Upper part of maxilla & portion of zygomatic bone

50
Q

Quadratus Labii Superioris Insertion

A

Superior margin of orbicular oris or skin of upper lip

51
Q

Quadratus Labii Superioris Action

A

Furrow the upper lip

52
Q

Quadratus Labii Inferioris Origin

A

Mandible

53
Q

Quadratus Labii Inferioris Insertion

A

Orbicular oris or skin of lower lip

54
Q

Quadratus Labii Inferioris Action

A

Pulls lip down