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Spinal TRI 2 > Lab 2 Practical Muscle innvervations and actions > Flashcards

Lab 2 Practical Muscle innvervations and actions Flashcards

1
Q

Splenius Capitis innervation?

A

N= Dorsal rami C3-C5

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2
Q

Splenius capitis action?

A

A=Laterally Flex head and rotate face to side: bilaterally extend head.

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3
Q

Splenius Cervicis innervation?

A

N= Dorsal rami C5-C7

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4
Q

Splenius cervicis action?

A

A= Laterally flex and rotate neck; bilaterally extend neck

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5
Q

Iliocostalis Lumborum innervation?

A

N= Dorsal rami lower T, all L

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6
Q

Iliocostalis lumborum action?

A

A= Extension, lateral flexion, rotation of L spine; lateral movement of pelvis

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7
Q

Iliocostalis thoracis innervation?

A

N= Dorsal rami T1-T6

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8
Q

Iliocostalis thoracic action?

A

A= Extension, lateral flexion T spine

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9
Q

Iliocostalis cervicis innervation?

A

N= dorsal rami T1, T2; rarely C8

.

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10
Q

Iliocostalis cervicis action?

A

A= Extension, lateral flexion, rotation LOWER C spine

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11
Q

Longissimus Thoracis innervation?

A

N=Dorsal rami T and L nerves

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12
Q

Longissimus thoracis action?

A

A= Lateral flexion T spine and ribs;
bilaterally act in extension of T and; L spine,
hold T and L spine erect,
Lateral movement of Pelvis

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13
Q

Longissimus cervicis innervation?

A

N= Dorsal rami C4-C8; T1-T2

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14
Q

Longissimus cervicis action?

A

A= Lateral flexion of neck; bilaterally extend neck

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15
Q

Longissimus capitis innervation?

A

N= dorsal rami C1-C3, sometimes C4

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16
Q

Longissimus capitis action?

A

A= rotate and laterally flex head; bilaterally extend head

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17
Q

Spinalis Thoracis innervation?

A

N= Dorsal rami T and upper L

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18
Q

Spinalis thoracis action?

A

A=extend T spine

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19
Q

Spinalis Cervicis innervation?

A

N= Dorsal rami C

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20
Q

Spinalis cervicis action?

A

A= Lateral flexion and rotation of C spine; bilaterally extend neck

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21
Q

Spinalis capitis innervation?

A

N= Dorsal rami lower C, upper T

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22
Q

Spinalis capitis action?

A

A= Lateral flexion and rotation of head; bilaterally extend head

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23
Q

Semispinalis thoracis action.

A

A=Extension, rotation, and lateral flexion of upper T and Lower C spine; bilaterally extend T spine.

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24
Q

Semispinalis Cervicis innervation?

A

N=dorsal rami C6-C8

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25
Q

Semispenalis cervicis action?

A

A=extension, rotation and lateral flexion of C spine; bilaterally extend neck

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26
Q

Semispinalis capitis action?

A

A= turns face to side, bilaterally extends head (Neck inadvertently)

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27
Q

Rectus capitis posterior major innervation?

A

N= Suboccipital nerve, dorsal ramus C1

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28
Q

Rectus capitis posterior major action?

A

A= Turns face to side; bilaterally extends head.

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29
Q

Rectus capitis posterior minor action?

A

A= Extends head

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30
Q

Obliquus Capitis superior innervation?

A

N=suboccipital nerve, dorsal ramus C1

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31
Q

Obliquus capitis superior action?

A

A= lateral flexion of head; bilaterally extends head

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32
Q

Obliquus capitis inferior action?

A

A= turns face to side

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33
Q

Quadratus Lumborum innervation?

A

N= Ventral rami T12, L1-L3 or L4

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34
Q

Quadratus lumborum action?

A

A= Steadies origin of diaphragm;
when pelvis is fixed, it will laterally flex the L spine
bilaterally extends the L spine
stabilizes and depresses the 12th rib.

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35
Q

Serratus posterior superior action?

A

A=elevate upper 5 ribs in inspiration

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36
Q

Serratus posterior inferior innervation?

A

N= Intercostal nerves ventral rami T9-T11

subcostal nerve ventral ramus T12

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37
Q

Serratus posterior inferior action?

A

A= draws lower 4 ribs down and back’ forced inspiration

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38
Q

Longus Colli action?

A

A=Flexion and extension of neck, rotation to the contralateral side.

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39
Q

Longus capitis innervation?

A

N= Ventral rami C1-C3

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40
Q

Longus capitis action?

A

A= flex the head

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41
Q

Longus colli innervation?

A

N= Ventral rami C2-C6, sometimes C7

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42
Q

Rectus capitis anterior innervation?

A

N= ventral rami C1,C2

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43
Q

Rectus capitis anterior action?

A

A= flex the head

44
Q

Serratus posterior superior innervation?

A

N=intercostal nerves, ventral rami T2-T5

45
Q

Rectus capitis lateralis innervation?

A

N= ventral rami C1,C2

46
Q

Rectus capitis lateralis action?

A

A= Laterally flex the head to ipsilateral side

47
Q

Obliquus capitis inferior innervation?

A

N= suboccipital nerve, dorsal ramus C1

48
Q

Anterior scalene innervation?

A

N= ventral rami C2- C6

49
Q

Rectus capitis posterior minor innervation?

A

N= Suboccipital nerve, dorsal ramus C1

50
Q

Middle scalene innervation?

A

N=ventral rami C3-C8

51
Q

Semispinalis capitis innervation?

A

N= dorsal rami C1-C6

52
Q

Posterior scalene innervation?

A

N= ventral rami C6-C8

53
Q

Semispinalis Thoracis innervation?

A

N= Dorsal rami T1 -T6

54
Q

Multifidus innervation?

A

N= dorsal rami C3-C8, T1- T12, L1-L5, sometimes S1

55
Q

What nerves innervate the following muscles Frontalis belly epicranius, corrugator supercilii, superior auricular, and temporoparietalis?

A

Temporal branches of facial nerve

56
Q

What muscles does the temporal branches of facial nerve?

A

1) Frontalis belly Epicranius
2) Corrugator supercilii
3) Superior Auricular
4) Temporoparietalis

57
Q

What innervates the orbital part orbicularis oculi, and palpebral part orbicularis oculi?

A

Temporal and Zygomatic branches of Facial nerve

58
Q

What muscles do the temporal and zygomatic branches of facial nerve innervate?

A

1) Orbital part Orbicularis oculi

2) Palpebral part Orbicularis Oculi

59
Q

What innervates the procerus, compressor naris, dilator naris, and depressor septi?

A

Superior buccal branches of facial nerve

60
Q

What muscles do the superior buccal branches of facial nerve innervate?

A

1) Procerus
2) Compressor Naris
3) Depressor Septi
4) Dilator Naris

61
Q

Levator labii superioris, levator labii superioris alaeque nasi, zygomaticus minor, zygomaticus major, levator anguli oris, and buccinator is innervated by what nerve?

A

Buccal branches of facial nerve

62
Q

What muscles does the buccal branches of facial nerve innervate?

A

1) Levator labii superioris,
2) levator labii superioris alaeque nasi,
3) zygomaticus minor,
4) zygomaticus major,
5) levator anguli oris,
6) buccinator

63
Q

Orbicularis oris and risorius is innervated by what nerve?

A

Buccal and mandibular branches of facial nerve

64
Q

What muscles do the buccal and mandibular branches innervate?

A

1) Orbicularis Oris

2) Risorius

65
Q

Mentalis, depressor labii inferioris, depressor anguli oris are innervated by what nerve?

A

Mandibular branches of facial nerve

66
Q

The mandibular branches of facial innervates what muscles?

A

1) Mentalis
2) Depressor Labii Inferioris
3) Depressor Anguli Oris

67
Q

Levator Palpebra superioris, Superior rectus, inferior rectus, medial rectus, and inferior oblique are innervated by what nerve?

A

Oculomotor nerve

68
Q

What muscles does the oculomotor nerve innervate?

A

1) Levator Palpebra superioris
2) Superior rectus
3) Inferior Rectus
4) Medial rectus
5) Inferior Oblique

69
Q

The lateral rectus is innervated by what nerve?

A

Abducent nerve

70
Q

Superior oblique is innervated by what nerve?

A

Trochlear nerve

71
Q

Posterior auricular, and occipitalis belly epicranius is innervated by what nerve?

A

Posterior auricular branch of facial nerve

72
Q

What muscles do the posterior auricular branch of facial nerve innervate?

A

1) Posterior auricular

2) Occipitalis belly epicranius

73
Q

What innervates temporalis muscle?

A

Anterior and Posterior deep temporal branches, mandibular division, trigeminal nerve

74
Q

What innervates masseter muscle?

A

Masseteric branch, mandibular division, trigeminal nerve

75
Q

What innervates medial pterygoid muscle?

A

Medial pterygoid branch, mandibular division, trigeminal nerve

76
Q

What innervates the lateral pterygoid muscle?

A

Lateral pterygoid branch mandibular division, trigeminal nerve.

77
Q

What innervates the anterior scalene muscle?

A

Ventral rami C2-C6

78
Q

What innervates the middle scalene muscle?

A

Ventral rami C3-C8

79
Q

What is the action of the Frontalis belly epicranius?

A

Pulls scalp forward; wrinkles forehead and raises eyebrows

80
Q

What is the action of the occipitalis belly epicranius?

A

Pulls scalp backward

81
Q

What is the action of the procerus?

A

Depress eyebrows medially

82
Q

What is the action of the compressor naris?

A

Compress cartilage at bridge of nose

83
Q

What is the action of the dilatator naris?

A

Widens, dilates nostrils and anterior nasal aperture

84
Q

What is the action of the depressor septi?

A

Widens nostril

85
Q

What is the action of the corrugator supercilii?

A

Draws eyebrow medial and down (forms vertical furrow between eyebrows?

86
Q

What is the action of the levator labii superioris?

A

Raises and everts upper lip

87
Q

What is the action of the levator labii superioris alaeque nasi?

A

Raises and everts upper lip; dilates nostril

88
Q

What is the action of zygomaticus minor muscle?

A

Raises upper lip; produces nasolabial groove.

89
Q

What is the action of zygomaticus major muscle?

A

Draws angle of mouth up and out

90
Q

What is the action of the levator anguli oris?

A

Raises angle of mouth, produces nasolabial groove

91
Q

What is the action of the orbicularis oris?

A

Close mouth; purse and protrude lips

92
Q

What is the action of the buccinator ?

A

Compress cheeks against teeth

93
Q

What is the action of the risorius?

A

draws back angle of mouth

94
Q

What is the action of the mentalis?

A

Raises and protrudes lower lip

95
Q

What is the action of the depressor labii inferioris?

A

Draws lower lip down

96
Q

What is the action of the depressor anguli oris?

A

Draws corner of mouth down and out

97
Q

What is the action of the levator palpebra superioris?

A

elevates upper eyelid

98
Q

What is the action of the superior rectus?

A

Elevate and adduct the cornea; intorsion

99
Q

What is the action of the inferior rectus?

A

Depress and adduct the cornea; extrosion

100
Q

What is the action of the medial rectus?

A

Adducts cornea

101
Q

What is the action of the lateral rectus?

A

ABDucts cornea

102
Q

What is the action of the superior oblique muscle?

A

Depress and aBDuct the cornea; intorsion

103
Q

What is the action of the inferior oblique muscle?

A

Elevate and aBDuct the cornea; extorsion

104
Q

What is the action of the temporalis muscle?

A

Elevate and retract mandible

105
Q

What is the action of the masseter muscle?

A

Elevate and protract mandible

106
Q

What is the action of the medial pterygoid muscle?

A

1) Elevate and protract mandible

2) Assists in gliding or rotatory movement

107
Q

What is the action of the lateral pterygoid muscle?

A

1) Protracts mandible
2) Pulls disc forward
3) Depress chin and assist in gliding or rotatory movement

Spinal TRI 2 (13 decks)

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