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Muscle Anatomy > HEAD & NECK: Muscles of facial expression > Flashcards

HEAD & NECK: Muscles of facial expression Flashcards

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1
Q

EPICRANIAL GROUP

Occipitofrontalis [Frontal belly] - origin

A

Skin of eyebrow, Muscles of forehead

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2
Q

EPICRANIAL GROUP

Occipitofrontalis [Occipital belly] - origin

A

(Lateral 2/3 of) Superior nuchal line

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3
Q

EPICRANIAL GROUP

Occipitofrontalis - insertion

A

Epicranial aponeurosis

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4
Q

EPICRANIAL GROUP

Occipitofrontalis [Frontal belly] - innervation

A

Temporal branches of facial nerve (CN VII)

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5
Q

EPICRANIAL GROUP

Occipitofrontalis [Occipital belly] - innervation

A

Posterior auricular nerve (branch of facial nerve (CN VII))

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6
Q

EPICRANIAL GROUP

Occipitofrontalis [Frontal belly] - function

A

Elevates eyebrows, Wrinkles skin of forehead

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7
Q

EPICRANIAL GROUP

Occipitofrontalis [Occipital belly] - function

A

Retracts scalp

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8
Q

EPICRANIAL GROUP

Temporoparietalis - origin

A

Auricular muscles

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9
Q

EPICRANIAL GROUP

Temporoparietalis - insertion

A

Epicranial aponeurosis

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10
Q

EPICRANIAL GROUP

Temporoparietalis - innervation

A

Temporal branches of facial nerve (CN VII)

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11
Q

EPICRANIAL GROUP

Temporoparietalis - function

A

Tenses fascia of temporal region, Assists with movement of auricle

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12
Q

AURICULAR GROUP

Auricularis anterior - origin

A

Temporal fascia/Epicranial aponeurosis

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13
Q

AURICULAR GROUP

Auricularis anterior - insertion

A

Spine of helix

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14
Q

AURICULAR GROUP

Auricularis anterior - innervation

A

Temporal branches of facial nerve (CN VII)
Posterior auricular nerve (branch of facial nerve (CN VII))

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15
Q

AURICULAR GROUP

Auricularis anterior - function

A

Draws auricle anteriorly

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16
Q

AURICULAR GROUP

Auricularis superior - origin

A

Epicranial aponeurosis

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17
Q

AURICULAR GROUP

Auricularis superior - insertion

A

Superior surface of auricle

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18
Q

AURICULAR GROUP

Auricularis superior - innervation

A

Temporal branches of facial nerve (CN VII)
Posterior auricular nerve (branch of facial nerve (CN VII))

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19
Q

AURICULAR GROUP

Auricularis superior - function

A

Draws auricle superiorly

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20
Q

AURICULAR GROUP

Auricularis posterior - origin

A

Mastoid process of temporal bone

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21
Q

AURICULAR GROUP

Auricularis posterior - insertion

A

Ponticulus of conchal eminence

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22
Q

AURICULAR GROUP

Auricularis posterior - innervation

A

Temporal branches of facial nerve (CN VII)
Posterior auricular nerve (branch of facial nerve (CN VII))

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23
Q

AURICULAR GROUP

Auricularis posterior - function

A

Draws auricle posteriorly

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24
Q

ORBITAL GROUP

Orbicularis oculi - origin

A

Nasal part of frontal bone, Frontal process of maxilla, Medial palpebral ligament, Lacrimal bone

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25
ORBITAL GROUP Orbicularis oculi - insertion
Skin of orbital region, Lateral palpebral ligament, Superior and inferior tarsi
26
ORBITAL GROUP Orbicularis oculi - innervation
Temporal and zygomatic branches of facial nerve (CN VII)
27
ORBITAL GROUP Orbicularis oculi [Orbital part] - function
Closes eyelids tightly
28
ORBITAL GROUP Orbicularis oculi [Palpebral part] - function
Closes eyelids gently
29
ORBITAL GROUP Orbicularis oculi [Lacrimal part] - function
Compresses lacrimal sac
30
ORBITAL GROUP Corrugator supercilii - origin
Medial end of superciliary arches, Fibers of orbicularis oculi muscle
31
ORBITAL GROUP Corrugator supercilii - insertion
Skin above middle of supraorbital margin
32
ORBITAL GROUP Corrugator supercilii - innervation
Temporal branches of facial nerve (CN VII)
33
ORBITAL GROUP Corrugator supercilii - function
Creates vertical wrinkles over glabella
34
ORBITAL GROUP Depressor supercilii - origin
Medial angle of orbit
35
ORBITAL GROUP Depressor supercilii - insertion
Skin of medial end of eyebrow and glabella
36
ORBITAL GROUP Depressor supercilii - innervation
Temporal branches of facial nerve (CN VII)
37
ORBITAL GROUP Depressor supercilii - function
Depresses medial portion of eyebrow, Moves skin of glabella
38
NASAL GROUP Procerus - origin
Nasal bone, (Superior part of) Lateral nasal cartilage
39
NASAL GROUP Procerus - insertion
Skin of glabella, Fibres of frontal belly of occipitofrontalis muscle
40
NASAL GROUP Procerus - innervation
Temporal, lower zygomatic or buccal branches of facial nerve (CN VII)
41
NASAL GROUP Procerus - function
Depresses medial end of eyebrow, Wrinkles skin of glabella
42
NASAL GROUP Nasalis [Alar part] - origin
Frontal process of maxilla (superior to lateral incisor)
43
NASAL GROUP Nasalis [Transverse part] - origin
Maxilla (superolateral to incisive fossa)
44
NASAL GROUP Nasalis [Alar part] - insertion
Skin of ala
45
NASAL GROUP Nasalis [Transverse part] - insertion
Merges with counterpart at dorsum of nose
46
NASAL GROUP Nasalis - innervation
Buccal branch of facial nerve (CN VII)
47
NASAL GROUP Nasalis [Alar part] - function
Depresses ala laterally, Dilates nostrils
48
NASAL GROUP Nasalis [Transverse part] - function
Wrinkles skin of dorsum of nose
49
NASAL GROUP Levator labii superioris alaeque nasi - origin
Frontal process of maxilla
50
NASAL GROUP Levator labii superioris alaeque nasi - insertion
Lateral crus of major alar cartilage, Blends with fibres of levator labii superioris and orbicularis oris muscles
51
NASAL GROUP Levator labii superioris alaeque nasi - innervation
Zygomatic and buccal branches of facial nerve (CN VII)
52
NASAL GROUP Levator labii superioris alaeque nasi - function
Elevates and everts upper lip and nasal ala
53
ORAL GROUP Orbicularis oris - origin
Medial aspects of maxilla and mandible, Perioral skin and muscles, Modiolus
54
ORAL GROUP Orbicularis oris - insertion
Skin and mucous membrane of lips
55
ORAL GROUP Orbicularis oris - innervation
Buccal branch of facial nerve (CN VII)
56
ORAL GROUP Orbicularis oris - function
Closes mouth, Compresses and protrudes lips
57
ORAL GROUP Buccinator - origin
(External lateral surface of) Alveolar process of maxilla, Buccinator ridge of mandible, Pterygomandibular raphe
58
ORAL GROUP Oral group: Buccinator - insertion
Modiolus, Blends with muscles of upper lip
59
ORAL GROUP Oral group: Buccinator - innervation
Buccal branch of facial nerve (CN VII)
60
ORAL GROUP Buccinator - function
Compresses cheek against molar teeth
61
ORAL GROUP Oral group: Zygomaticus major - origin
(Posterior part of ) Lateral aspect of zygomatic bone
62
ORAL GROUP Zygomaticus major - insertion
Modiolus, Blends with muscles of upper lip
63
ORAL GROUP Oral group: Zygomaticus major - innervation
Zygomatic and buccal branches of facial nerve (CN VII)
64
ORAL GROUP Oral group: Zygomaticus major - function
Elevates and everts angle of mouth
65
ORAL GROUP Oral group: Zygomaticus minor - origin
(Anterior part of) Lateral aspect of zygomatic bone
66
ORAL GROUP Zygomaticus minor - insertion
Blends with muscles of upper lip (medial to zygomaticus major muscle)
67
ORAL GROUP Zygomaticus minor - innervation
Zygomatic and buccal branches of facial nerve (CN VII)
68
ORAL GROUP Zygomaticus minor - function
Elevates upper lip, Exposes maxillary teeth
69
ORAL GROUP Levator labii superioris - origin
Zygomatic process of maxilla, Maxillary process of zygomatic bone
70
ORAL GROUP Levator labii superioris - insertion
Blends with muscles of upper lip
71
ORAL GROUP Oral group: Levator labii superioris - innervation
Zygomatic and buccal branches of facial nerve (CN VII)
72
ORAL GROUP Levator labii superioris - function
Elevates and everts upper lip, Exposes maxillary teeth
73
ORAL GROUP Levator anguli oris - origin
Canine fossa of maxilla
74
ORAL GROUP Levator anguli oris - insertion
Modiolus
75
ORAL GROUP Levator anguli oris - innervation
Zygomatic and buccal branches of facial nerve (CN VII)
76
ORAL GROUP Levator anguli oris - function
Elevates angle of mouth
77
ORAL GROUP Risorius - origin
Parotid fascia, Buccal skin, Zygomatic bone (variable)
78
ORAL GROUP Risorius - insertion
Modiolus
79
ORAL GROUP Risorius - innervation
Buccal branch of facial nerve (CN VII)
80
ORAL GROUP Oral group: Risorius - function
Extends angle of mouth laterally
81
ORAL GROUP Depressor anguli oris - origin
Mental tubercle and oblique line of mandible (continuous with platysma muscle)
82
ORAL GROUP Oral group: Depressor anguli oris - insertion
Modiolus
83
ORAL GROUP Depressor anguli oris - innervation
Buccal and mandibular branches of facial nerve (CN VII)
84
ORAL GROUP Depressor anguli oris - function
Depresses angle of mouth
85
ORAL GROUP Depressor labii inferioris - origin
Oblique line of mandible (continuous with platysma muscle)
86
ORAL GROUP Oral group: Depressor labii inferioris - insertion
Skin and submucosa of lower lip
87
ORAL GROUP Depressor labii inferioris - innervation
Mandibular branch of facial nerve (CN VII)
88
ORAL GROUP Oral group: Depressor labii inferioris - function
Depresses lower lip inferolaterally
89
ORAL GROUP Oral group: Mentalis - origin
Incisive fossa of mandible
90
ORAL GROUP Oral group: Mentalis - insertion
Skin of chin (Mentolabial sulcus)
91
ORAL GROUP Mentalis - innervation
Mandibular branch of facial nerve (CN VII)
92
ORAL GROUP Mentalis - function
Elevates, everts and protudes lower lip, Wrinkles skin of chin

Muscle Anatomy (19 decks)

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