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-Anatomy > H&N - muscles > Flashcards

H&N - muscles Flashcards

1
Q

What is the innervation of this muscle?

A

Sternohyoid

C1-C3 through ansa cervicalis

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2
Q

What is the innervation of this muscle?

A

Omohyoid

C1-C3 through ansa cervicalis

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3
Q

What is the action of this muscle?

A

Stylohyoid

elevates and retracts hyoid bone

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4
Q

What is the action of this muscle?

A

Hyoglossus

Depresses tongue

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5
Q

What is this muscle?

A

Stylohyoid

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6
Q

What muscle is this?

A

Styloglossus

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7
Q

What is the innervation of this muscle?

A

Geniohyoid

Hypoglossal nerve - CN XII

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8
Q

What is the action of this muscle?

A

Medial pterygoid

Protracts mandible (with lateral)

Side to side movements

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9
Q

What muscle is this?

A

Mylohyoid

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10
Q

What muscle is this?

A

Lateral rectus

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11
Q

What is the action of this muscle?

A

Mylohyoid

Elevates hyoid

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12
Q

What is the action of this muscle?

A

Posterior belly of digastric

Opens mouth + depresses mandible

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13
Q

What is the action of this muscle?

A

Medial rectus

Adduction of eye

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14
Q

What is the innervation of this muscle?

A

Inferior oblique

CN III - oculomotor

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15
Q

What is the innervation of this muscle?

A

Temporalis

Mandibular branch of trigeminal nerve - CN V3

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16
Q

What muscle is this?

A

Omohyoid

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17
Q

What is the action of this muscle?

A

Buccinator

Compresses cheek

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18
Q

What is the innervation of this muscle?

A

Levator palpebrae superior

CN III - oculomotor

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19
Q

What muscle is this?

A

Orbicularis oculi

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20
Q

What muscle is this?

A

Stylohyoid

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21
Q

What is the innervation of this muscle?

A

Masseter

Mandibular branch of trigeminal nerve - CN V3

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22
Q

What is the innervation of this muscle?

A

Orbicularis oris

Facial nerve CN VII

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23
Q

What is the innervation of this muscle?

A

Anterior belly of occipitofrontalis

Facial nerve - CNVII

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24
Q

What muscle is this?

A

Geniohyoid

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25
What muscle is this?
Levator palpebrae superior
26
What is the innervation of this muscle?
Thyrohyoid C1 through hypoglossal nerve
27
What is the innervation of this muscle?
Mylohyoid Mandibular branch of trigeminal - CNV3
28
What muscle is this?
Platysma
29
What is the action of this muscle?
Geniohyoid Elevates hyoid bone (Plus pulls anteriorly)
30
What is the action of this muscle?
Anterior belly of frontalis Raises eyebrows
31
What is the action of this muscle?
Inferior rectus Moves eye Depresses Adducts Extorts
32
What muscle is this?
Inferior oblique
33
What is the innervation of this muscle?
Anterior belly of digastric Mandibular branch of trigeminal CN V3
34
What muscle is this?
Inferior rectus
35
What is the action of this muscle?
Levator palpebrae superior Elevates upper eyelid
36
What muscle is this?
Temporalis
37
What is the innervation of this muscle?
Platysma Facial nerve - CN VII
38
What is the innervation of this muscle?
Buccinator Facial nerve - CN VII
39
What is the action of this muscle?
Sternothyroid Pulls larynx and hyoid bone inferiorly
40
What is the innervation of this muscle?
Superior rectus moves eye: Elevates Adducts Intorsion
41
What is the action of this muscle?
Orbicularis oris Closes mouth
42
What is the action of this muscle?
Styloglossus Retracts and elevates tongue
43
What is the innervation of this muscle?
Sternothyroid C1-C3 through ansa cervicalis
44
What muscle is this?
Masseter
45
What is the innervation of this muscle?
Superior rectus CN III - oculomotor nerve
46
What is the actionof this muscle?
Posterior belly of occipitofrontalis muscle Pulls scalp posteriorly
47
What muscle is this?
Lateral pterygoid
48
What muscle is this?
Superior oblique
49
What is the innervation of this muscle?
Hyoglossus Hypoglossal nerve CN XII
50
What is the action of this muscle?
Temporalis Closes jaw
51
What is the innervation of this muscle?
Stylohyoid Facial nerve - CN VII
52
What is the innervation of this muscle?
Orbicularis oculi Facial nerve - CN VII
53
What muscle is this?
Anterior belly of frontalis
54
What is the innervation of this muscle?
Lateral rectus Abducens nerve - CN VI
55
What muscle is this?
Frontalis anterior belly
56
What muscle is this?
Hyoglossus
57
What muscle is this?
Sternothyroid
58
What muscle is this?
Posterior belly of digastric
59
What is the action of this muscle?
Orbicularis oculi Closes eye
60
What is the innervation of this muscle?
Lateral pterygoid mandibular branch Trigeminal nerve - CN V3
61
What is the innervation of this muscle?
Medial pterygoid Mandibular branch of trigeminal - CN V3
62
What is the action of this muscle?
Superior oblique Moves eye: Depression Abduction Intorsion
63
What muscle is this?
Genioglossus
64
What muscle is this?
Medial rectus
65
What is the innervation of this muscle?
Posterior belly of digastric Facial nerve - CN VII
66
What is the innervation of this muscle?
Inferior rectus CN III - oculomotor
67
What is the action of this muscle?
Platysma Tenses skin of neck
68
What is the action of this muscle?
Masseter Prime muscle of jaw closure
69
What is the action of this muscle?
Inferior oblique Moves eye: Extorsion Elevation Abduction
70
What muscle is this?
Trapezius
71
What muscle is this?
Platysma
72
What muscle is this?
Thyrohyoid
73
What muscle is this?
Medial pterygoid
74
What is the action of this muscle?
Lateral pterygoid Side to side movements Protraction of mandible
75
What muscle is this?
Posterior belly of frontalis muscle
76
What is the innervation of this muscle?
Posterior belly of occipitofrontalis muscle Facial nerve - CN VII
77
What is the action of this muscle?
Omohyoid Depresses and retracts hyoid bone
78
What muscle is this?
Orbicularis oris
79
What muscle is this?
Superior rectus
80
What muscle is this?
Geniohyoid
81
What is the innervation of this muscle?
Medial rectus CN III - oculomotor
82
What is the action of this muscle?
Thyrohyoid Depresses hyoid (Elevates larynx if hyoid fixed)
83
What is the innervation of this muscle?
Superior oblique Trochlear nerve - CN IV
84
What is the action of this muscle?
Anterior belly of digastric Depresses mandible
85
What muscle is this?
Buccinator
86
What is the action of this muscle?
Genioglossus Protracts tongue
87
What muscle is this?
Sternohyoid
88
What is the action of this muscle?
Lateral rectus Abducts eye
89
What is the innervation of this muscle?
Genioglossus Hypoglossal nerve - CN XII
90
What muscle is this?
Anterior belly of digastric
91
What is the action of this muscle?
Sternohyoid Depresses larynx + hyoid bone
92
What muscle is this?
SCM
93
What is the innervation of this muscle?
Styloglossus Hypoglossal nerve - CN XII

-Anatomy (34 decks)

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