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Muscle Innervation > Upper Limb, Back, Neck, and Thoracic Wall > Flashcards

Upper Limb, Back, Neck, and Thoracic Wall Flashcards

1
Q

Trapezius

A 
Spinal accessory
nerve (CN XI)
(motor); C3/C4
spinal nerves (pain
and
proprioceptive
fibers)
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2
Q

Latissimus Dorsi

A 
Thoracodorsal
nerve (C6, C7, C8)
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3
Q

Rhomboid Major

A

Dorsal scapular

nerve (C4, C5)

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4
Q

Rhomboid Minor

A

Dorsal scapular

nerve (C4, C5)

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5
Q

Levator Scapulae

A

Dorsal scapular
nerve (C5),
cervical nerves
(C3, C4)

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6
Q

Serratus Posterior

Superior

A

Ventral rami T2-T5
thoracic spinal
nerves

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7
Q

Serratus Posterior

Inferior

A

Ventral rami of T9-
T12 thoracic spinal
nerves

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8
Q

Splenius Capitis

A

Dorsal rami of
spinal nerves (i.e.
segmental
innervation)

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9
Q

Splenius Cervicis

A

Dorsal rami of
spinal nerves (i.e.
segmental
innervation)

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10
Q

Iliocostalis (part of

Erector spinae)

A

Dorsal rami of
spinal nerves (i.e.
segmental
innervation)

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11
Q

Longissimus (part of

Erector spinae)

A

Dorsal rami of
spinal nerves (i.e.
segmental
innervation)

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12
Q

Spinalis

A

Dorsal rami of
spinal nerves (i.e.
segmental
innervation)

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13
Q

Transverspinalis
(semispinalis,
multifidus, and
rotatores)

A

Dorsal rami of
spinal nerves (i.e.
segmental
innervation)

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14
Q

Semispinalis

A

Dorsal rami of
spinal nerves (i.e.
segmental
innervation)

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15
Q

Multifidus

A

Dorsal rami of
spinal nerves (i.e.
segmental
innervation)

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16
Q

Rotatores Brevis and

Longus

A

Dorsal rami of
spinal nerves (i.e.
segmental
innervation)

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17
Q

Intertransversarii

A

Dorsal rami of
spinal nerves (i.e.
segmental
innervation)

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18
Q

Interspinales

A

Dorsal rami of
spinal nerves (i.e.
segmental
innervation)

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19
Q 
Levatores Costarum
(longus and brevis)
A

Dorsal rami of
spinal nerves (i.e.
segmental
innervation)

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20
Q

Obliquus Capitis

Inferior

A

Suboccipital nerve
(dorsal ramus of
C1 spinal nerve)

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21
Q

Obliquus Capitis

Superior

A

Suboccipital nerve
(dorsal ramus of
C1)

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22
Q

Rectus Capitis

Posterior Major

A

Suboccipital nerve
(dorsal ramus of
C1)

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23
Q

Rectus Capitis

Posterior Minor

A

Suboccipital nerve
(dorsal ramus of
C1)

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24
Q

Platysma

A 
Facial nerve (CN
VII)
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25
Q

Sternohyoid

A

C1-C3 by a branch
of the ansa
cervicalis

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26
Q

Omohyoid (inferior

and superior bellies)

A

C1-C3 by a branch
of the ansa
cervicalis

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27
Q

Sternothyroid

A

C2 & C3 by a
branch of the ansa
cervicalis

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28
Q

Thyrohyoid

A

C1 spinal nerve via
the hypoglossal
nerve (CN XII)

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29
Q

Anterior belly of

Digastric

A

Nerve to
mylohyoid (from
CN V3)

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30
Q

Posterior belly of

Digastric

A

Digastric branch of
facial nerve (CN
VII)

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31
Q

Mylohyoid

A

Nerve to
mylohyoid (from
CN V3)

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32
Q

Stylohyoid

A 
Facial nerve (CN
VII)
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33
Q

Sternocleidomastoid

A 
Spinal accessory
nerve (CN XI) for
motor; C2 and C3
spinal nerves for
pain and
proprioception
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34
Q

Anterior Scalene

A

Ventral rami of C4-

6 spinal nerves

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35
Q

Middle Scalene

A

Ventral rami C3-8

spinal nerves

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36
Q

Posterior Scalene

A

Ventral rami C6-8

37
Q

Rectus Capitis

Anterior

A

C1 and C2 spinal

nerves

38
Q

Rectus Capitis

Lateralis

A

C1 and C2 spinal

nerves

39
Q

Longus Colli

A

Ventral rami of C2-

6 spinal nerves

40
Q

Longus Capitis

A

Ventral rami of C1-

3 spinal nerves

41
Q

External Intercostals

A

Intercostal nerves

42
Q

Internal Intercostals

A

Intercostal nerves

43
Q

Innermost

Intercostals

A

Intercostal nerves

44
Q

Transversus Thoracis

A

Intercostal nerves

45
Q

Supraspinatus

A

Suprascapular

nerve (C5, C6)

46
Q

Infraspinatus

A

Suprascapular

nerve (C5, C6)

47
Q

Teres Minor

A 
Axillary nerve (C5,
C6)
48
Q

Subscapularis

A

Upper and lower
subscapular
nerves (C5, C6, C7)

49
Q 
Teres Major (NOT
part of rotator cuff)
A

Lower subscapular

nerve (C5, C6)

50
Q

Deltoid

A 
Axillary nerve (C5,
C6)
51
Q

Triceps Brachii

A 
Radial nerve (C6,
C7, C8)
52
Q

Anconeus

A 
Radial nerve (C7,
C8, T1)
53
Q

Pectoralis Major

A 
Lateral and medial
pectoral nerves;
clavicular head
(C5, C6),
sternocostal head
(C7, C8, T1)
54
Q

Pectoralis Minor

A

Medial pectoral

nerve (C8, T1)

55
Q

Subclavius

A

Nerve to

subclavius (C5, C6

56
Q

Serratus Anterior

A

Long thoracic

nerve (C5, C6, C7)

57
Q

Coracobrachialis

A

Musculocutaneous

nerve (C5, C6, C7)

58
Q

Brachialis

A 
Musculocutaneous
nerve (C5, C6)
*Note: There is
evidence that the
radial nerve (C7)
also provides
innervation
59
Q

Biceps Brachii

A

Musculocutaneous

nerve (C5, C6)

60
Q

Pronator Teres

A 
Median nerve (C6,
C7)
61
Q

Flexor Carpi Radialis

FCR

A 
Median nerve (C6,
C7)
62
Q

Palmaris Longus

A 
Median nerve (C7,
C8)
63
Q

Flexor Carpi Ulnaris

FCU

A 
Ulnar nerve (C7,
C8)
64
Q

Flexor Digitorum

Superficialis (FDS)

A 
Median nerve (C7,
C8, T1)
65
Q

Flexor Digitorum

Profundus (FDP)

A 
Medial part: Ulnar
nerve (C8, T1);
Lateral part:
anterior
interosseous
nerve from median nerve (C8,
T1)
66
Q

Flexor Pollicis Longus

FPL

A 
Anterior
interosseous
nerve from
median nerve (C8,
T1)
67
Q

Pronator Quadratus

A 
Anterior
interosseous
nerve from
median nerve (C8,
T1)
68
Q

Abductor Pollicis

Brevis

A

Recurrent branch
of median nerve
(C8, T1)

69
Q

Opponens Pollicis

A

Recurrent branch
of median nerve
(C8, T1)

70
Q

Flexor Pollicis Brevis

A 
Superficial head:
recurrent branch
of median nerve
(C8, T1)
Deep head: deep
branch of ulnar
nerve (C8, T1)
71
Q

Flexor Digiti Minimi

A

Deep branch of
ulnar nerve (C8,
T1)

72
Q

Abductor Digiti

Minimi

A

Deep branch of
ulnar nerve (C8,
T1)

73
Q

Opponens Digiti

Minimi

A

Deep branch of
ulnar nerve (C8,
T1)

74
Q

Palmaris Brevis

A

Superficial branch
of ulnar nerve (C8,
T1)

75
Q

Adductor Pollicis

A

Deep branch of
ulnar nerve (C8,
T1)

76
Q

Lumbricals (1st & 2nd)

A 
Median nerve (C8,
T1)
77
Q

Lumbricals (3rd & 4th)

A

Deep branch of
ulnar nerve (C8,
T1)

78
Q

Brachioradialis

A 
Radial nerve (C5,
C6, C7)
79
Q

Extensor Carpi

Radialis Longus

A 
Radial nerve (C6,
C7
80
Q

Extensor Carpi

Radialis Brevis

A

Deep branch of
radial nerve (C7,
C8)

81
Q

Extensor Digitorum

ED

A

Deep branch of
radial nerve (C7,
C8)

82
Q

Extensor digiti

minimi (if present)

A

Deep branch of
radial nerve (C7,
C8)

83
Q

Extensor Carpi

Ulnaris

A

Deep branch of
radial nerve (C7,
C8)

84
Q

Supinator

A

Deep branch of
radial nerve (C7,
C8)

85
Q

Abductor Pollicis

Longus (APL)

A 
Posterior
interosseous
nerve (C7, C8)(a
continuation of
deep branch of
radial nerve)
86
Q

Extensor Pollicis

Brevis

A 
Posterior
interosseous
nerve (C7, C8)(a
continuation of
deep branch of
radial nerve)
87
Q

Extensor Pollicis

Longus

A 
Posterior
interosseous
nerve (C7, C8)(a
continuation of
deep branch of
radial nerve)
88
Q

Extensor Indicis

A 
Posterior
interosseous
nerve (C7, C8)(a
continuation of
deep branch of
radial nerve)

Muscle Innervation (2 decks)

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