Muscles of Facial Expression Flashcards

1
Q

Is the origin or the insertion fixed?

A

origin

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2
Q

The origin is usually more…

Proximal and medial
Lateral and medial

A

proximal and medial

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3
Q

Origin is usually a Skeletal or muscle attachment?

A

skeletal attachment

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4
Q

Insertions can be via ligament to

A

bone or subcutaneous tissue and skin

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5
Q

All muscles of facial expression are innervated by the motor branches of what nerve

A

facial nerve CN VII

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6
Q

O: anterior belly

A

I: galea aponeurotica

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7
Q

A: raises the eyebrows and wrinkles the forehead

A

frontalis

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8
Q

CN: frontalis

A

temporal branch of CN VII

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9
Q

A: draws eyebrows down and medially

A

corrugator supercilli

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10
Q

A: produces vertical wrinkled on the forhead

A

corrugator supercilli

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11
Q

corrugator supercilli helps with what facial expression?

A

frowning

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12
Q

CN: corrugator supercilli

A

temporal branch of VII

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13
Q

A: Draws down the median angle of the eyebrow

A

Procerus

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14
Q

A: Produces horizontal wrinkles over bridge of nose

A

Procerus

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15
Q

CN: temporal branch of CN VII

A

Procerus, Frontalis, Corrugator supercilli

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16
Q

CN: procerus

A

CN VII

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17
Q

Muscle that goes around the orbit of the eye

A

Orbital part of Orbicularis Oculi

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18
Q

Muscle forms the fleshy eyelid

A

palpebral part of Orbicularis Oculi

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19
Q

A: forceful closure of eye

A

Orbital part of orbicularis oculi

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20
Q

A: Reflex blinking of eye

A

Palpebral part of orbicularis oculi

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21
Q

CN: Orbicularis Oculi

A

temporal and zygomatic branches of CN VII

22
Q

This muscle covers the middle of the cartilaginous bridge of the nose

A

Transverse part of Nasalis

23
Q

CN: Nasalis

A

buccal branch of facial nerve (CN VII)

24
Q

A: pucker lips and shut them tightly

A

orbicularis oris

25
Q

CN: orbicularis oris

A

buccal branch of CN VII

26
Q

A: allows one to puff the cheeks

A

buccinator

27
Q

A: compresses cheek to keep it taught against the teeth to aid in chewing

A

buccinator

28
Q

CN: buccal branch of CN VII

A

Buccinator
Orbicularis oris
Nasalis
Levator labii superioris alaeque nasi

29
Q

CN: Buccinator

A

buccal branch of CN VII

30
Q

A: draws corner of mouth backwards, upward, and outward

A

Zygomaticus Major

31
Q

A: elevates upper lip

A

Zygomaticus Major

32
Q

CN: Zygomaticus Major

A

zygomatic and buccal branches of CN VII

33
Q

A: draws the corner of the mouth backward, upward, and outward

A

Zygomaticus Minor

34
Q

Located medial to zygomaticus major muscle

A

Zygomaticus Minor

35
Q

A: elevates upper lip

A

Zygomaticus Minor

36
Q

CN: Zygomaticus Minor

A

zygomatic and buccal branches of CN VII

37
Q

CN: Levator labii superioris alaeque nasi

A

buccal branch of CN VII

38
Q

CN: Levator labii superioris alaeque nasi (LLSAN)

A

buccal branch of CN VII

39
Q

A: elevate upper lip

A

Levator labii superioris

40
Q

CN: Levator labii superioris

A

ZYGOMATIC BRANCH OF CNVII

41
Q

A: compresses bridge of nose, depresses the tip of the nose, elevates the corner of each nostril

A

Nasalis

42
Q

A: elevates angle of mouth

A

Levator anguli oris

43
Q

CN: Levator anguli oris

A

buccal branch of CN VII

44
Q

A: depresses angle of mouth

A

Depressor anguli oris

45
Q

CN: Depressor anguli oris

A

mandibular branch of CN VII

46
Q

A: depresses the lower lip

A

Depressor labii inferioris

47
Q

CN: Depressor labii inferioris

A

mandibular branch of CN VII

48
Q

A: elevates and protrudes lower lip

A

Mentalis

49
Q

CN: Mentalis

A

mandibular branch of CN VII

50
Q

A: allows to puff cheeks

A

Buccinator

51
Q

A: compresses cheek to keep it taught against the teeth to aid in chewing

A

buccinator

52
Q

CN: buccinator

A

buccal branch of CN VII