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Myotomes Flashcards

1
Q 
Biceps: 
Nerve/"branch": 
Cord: 
Division: 
Trunk: 
Root:
A 
Musculocutaneous N
Lateral cord 
Anterior division
Upper trunk
C5/C6
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2
Q 
Brachialis
Nerve/"branch": 
Cord: 
Division: 
Trunk: 
Root:
A 
Musculocutaneous N 
Lateral cord
Anterior division 
Upper trunk
C5/6
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3
Q 
Coracobrachialis 
Nerve/"branch": 
Cord: 
Division: 
Trunk: 
Root:
A 
Musculocutaneous N
Lateral Cord
Anterior division
Upper trunk
C5/6/7
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4
Q 
Deltoid 
Nerve/"branch": 
Cord: 
Division: 
Trunk: 
Root:
A 
Axillary N 
Posterior cord 
Posterior division
Middle trunk
C5/6
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5
Q 
Teres Minor
Nerve/"branch": 
Cord: 
Division: 
Trunk: 
Root:
A 
Axillary N 
Posterior cord
Posterior division
Middle trunk 
C5/6
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6
Q 
Supinator
Nerve/"branch": 
Cord: 
Division: 
Trunk: 
Root:
A 
Radial N
Posterior cord 
Posterior division
Upper trunk
C5/6
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7
Q 
Brachioradialis 
Nerve/"branch": 
Cord: 
Division: 
Trunk: 
Root:
A 
Radial N 
Posterior cord
Posterior division
Upper and middle trunk
C5/6/7
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8
Q 
Extensor Carpi Radialis Longus 
Nerve/"branch": 
Cord: 
Division: 
Trunk: 
Root:
A 
Radial N
Posterior cord
Posterior division
upper and middle trunk
C6/7/8
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9
Q 
Triceps
Nerve/"branch": 
Cord: 
Division: 
Trunk: 
Root:
A 
Radial N 
Posterior cord
Posterior division
upper and middle trunk 
C6/7/8
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10
Q 
Extensor Carpi Radialis Brevis 
Nerve/"branch": 
Cord: 
Division: 
Trunk: 
Root:
A 
Radial N
Posterior cord 
Posterior division 
Middle and lower trunk
C7/8
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11
Q 
Extensor Digitorum
Nerve/"branch": 
Cord: 
Division: 
Trunk: 
Root:
A 
Radial N 
Posterior cord
Posterior division 
Middle and lower trunk
C7/8
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12
Q 
EIP 
Nerve/"branch": 
Cord: 
Division: 
Trunk: 
Root:
A 
Radial N 
Posterior cord 
Posterior division
MIddle and lower trunk
C7/8
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13
Q 
EDM
Nerve/"branch": 
Cord: 
Division: 
Trunk: 
Root:
A 
Radial N 
Posterior Cord 
Posterior division
MIddle and lower trunk
C7/8
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14
Q 
Extensor carpi ulnaris 
Nerve/"branch": 
Cord: 
Division: 
Trunk: 
Root:
A 
Radial N 
Posterior Cord
Posterior Division
Middle and lower trunk
C7/8
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15
Q 
Abductor Pollicis Longus
Nerve/"branch": 
Cord: 
Division: 
Trunk: 
Root:
A 
Radial N 
Posterior Cord
Posterior division
MIddle and lower trunk 
C7/8
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16
Q 
Extensor Pollicis Brevis
Nerve/"branch": 
Cord: 
Division: 
Trunk: 
Root:
A 
Radial N 
Posterior Cord
Posterior division
Middle and lower trunk 
C7/8
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17
Q 
Extensor pollicis longus
Nerve/"branch": 
Cord: 
Division: 
Trunk: 
Root:
A 
Radial N 
Posterior Cord
Posterior Division
MIddle and lower trunk 
C7/8
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18
Q 
Anconeus
Nerve/"branch": 
Cord: 
Division: 
Trunk: 
Root:
A 
Radial N 
Posterior Cord
Posterior Division 
Middle and lower trunk 
C7/8/1
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19
Q 
Pronator Teres
Nerve/"branch": 
Cord: 
Division: 
Root:
A

Median N
Lateral Cord
Anterior division
C6/7

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20
Q 
Flexor Carpi Radialis 
Nerve/"branch": 
Cord: 
Division: 
Root:
A

Median N
Lateral Cord
Anterior division
C6/7

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21
Q 
Palmaris Longus
Nerve/"branch": 
Cord: 
Division: 
Root:
A

Median N
Lateral and Medial Cord
Anterior Division
C7/8

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22
Q 
Flexor Digitorum Superficialis (4 muscles) 
Nerve/"branch": 
Cord: 
Division: 
Root:
A

Median N
Lateral and Medial Cord
Anterior Division
C7/8/T1

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23
Q 
Flexor digitorum Profundus (4 muscles) 
Nerve/"branch": 
Cord: 
Division: 
Root:
A 
2 muscles: 
Median N 
Medial cord
Anterior division
C8/T1

2 muscles: 
Ulnar N 
Medial Cord
Anterior Division
C8/T1
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24
Q 
Flexor Pollicis Longus 
Nerve/"branch": 
Cord: 
Division: 
Root:
A

Median N
Medial Cord
Anterior division
C8/T1

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25
Q 
Pronator Quadratus
Nerve/"branch": 
Cord: 
Division: 
Root:
A

Median N
Medial Cord
Anterior Division
C8/T1

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26
Q 
Lumbricals (4 muscles) 
Nerve/"branch": 
Cord: 
Division: 
Root:
A 
(2 muscles) 
Median N 
Medial Cord
Anterior Division
C8/T1

(2 muscles) 
Ulnar N 
Medial Cord
Anterior Division
C8/T1
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27
Q 
Opponens Pollicus 
Nerve/"branch": 
Cord: 
Division: 
Root:
A

Median N
Medial Cord
Anterior Division
C8/T1

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28
Q 
Abductor Pollicis Brevis 
Nerve/"branch": 
Cord: 
Division: 
Root:
A

Median N
Medial Cord
Anterior Division
C8/T1

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29
Q 
Flexor Pollicis Brevis 
Nerve/"branch": 
Cord: 
Division: 
Root:
A

(1/2) Median N
Medial Cord
Anterior Division
C8/T1

(1/2) Ulnar N
Medial Cord
Anterior Division
C8/T1

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30
Q 
Flexor Carpi Ulnaris 
Nerve/"branch": 
Cord: 
Division: 
Root:
A

Ulnar N
Medial Cord
Anterior Division
C7/8

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31
Q 
Dorsal Interossei (4 muscles) 
Nerve/"branch": 
Cord: 
Division: 
Root:
A

Ulnar N
Medial Cord
Anterior Division
C8/T1

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32
Q 
Palmar Interossei (3 muscles) 
Nerve/"branch": 
Cord: 
Division: 
Root:
A

Ulnar N
Medial Cord
Anterior Division
C8/T1

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33
Q 
Adductor Pollicis
Nerve/"branch": 
Cord: 
Division: 
Root:
A

Ulnar N
Medial Cord
Anterior Division
C8/T1

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34
Q 
Hypothenar muscles: 
- Opponens Digiti Minimi 
- Abductor Digiti MInimi 
- Flexor Digiti minimi 
Nerve/"branch": 
Cord: 
Division: 
Root:
A

Ulnar N
Medial Cord
Anterior Division
C8/T1

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35
Q 
Palmaris Brevis 
Nerve/"branch": 
Cord: 
Division: 
Root:
A

Ulnar N
Medial Cord
Anterior Division
C8/T1

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36
Q 
Teres Major 
Nerve/"branch": 
Cord: 
Division: 
Root:
A

Lower Subscapular N
Posterior cord
Posterior division
C5/6

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37
Q 
Subscapularis 
Nerve/"branch": 
Cord: 
Division: 
Root:
A

Lower subscapular N
Posterior Cord
Posterior Division
C5/6/7

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38
Q 
Latissimus Dorsi 
Nerve/"branch": 
Cord: 
Division: 
Root:
A

Thoraco Dorsal N
Posterior Cord
Posterior Division
C6/7/8

39
Q 
Lateral portion of Pectoralis Major
Nerve/"branch": 
Cord: 
Division: 
Root:
A

Lateral Pectoral N
Not really lateral cord
Anterior Division
C5/6

40
Q 
Subscapularis
Nerve/"branch": 
Cord: 
Division: 
Root:
A

Upper Subscapular N
No Cord - almost posterior division
Posterior Division
C5/6/7

41
Q 
Medial portion of Pectoralis major
Nerve/"branch": 
Cord: 
Division: 
Root:
A

Medial Pectoral N
No Cord
Anterior Division
C7/8/T1

42
Q 
Pectoralis Minor 
Nerve/"branch": 
Cord: 
Division: 
Root:
A

Medial Pectoral N
No cord
Anterior Division
C8/T1

43
Q 
Infraspinatus 
Nerve/"branch": 
Cord: 
Division: 
Root:
A

Suprascapular N
Upper trunk - no cord or division
C5/6

44
Q 
Supraspinatus 
Nerve/"branch": 
Cord: 
Division: 
Root:
A

Suprascapular N
Upper trunk - no cord or division
C4/5/6

45
Q 
Rhomboids
Nerve/"branch": 
Cord: 
Division: 
Root:
A

Dorsal Scapular N
No trunk/cord/division
C5

46
Q 
Levator Scapularis Muscle 
Nerve/"branch": 
Cord: 
Division: 
Root:
A

Dorsal Scapular N
No trunk/cord/division
C5

47
Q 
Serratus Anterior 
Nerve/"branch": 
Cord: 
Division: 
Root:
A

Long thoracic Nerve
NO trunk/cord/division
C5/6/7 nerve roots

48
Q

Medial brachial cutaneous nerve
originates from what part of brachial plexus?
Serves what sensory region?

A

Medial cord, anterior division, lower trunk (C8/T1 ish)

Medial aspect of proximal arm

49
Q

Medial Antebrachial Cutaneous Nerve
Originates from what part of brachial plexus?
Serves what sensory region?

A

Medial cord, anterior division, lower trunk (C8/T1 ish)

Medial aspect of forearm

50
Q

Sartorius
Nerve:
Root:

A

Femoral nerve

L2/L3

51
Q

Iliacus
Nerve:
Root:

A

Femoral nerve

L2/L3

52
Q

Pectinius
Nerve:
Root:

A

Femoral nerve
L2/L3

may receive a branch from the obturator nerve

53
Q

Quadriceps Femoris
NAME THEM (4)
Nerve:
Root:

A

Vastus medialis
Vastus Intermedius
Vastus Lateralis
Rectus Femoris

Femoral N
L2/L3/L4

54
Q

Lateral femoral cutaneous n?
branches off of?
roots?

A

L2 and L3 nerve roots

55
Q

Tensor fascia lata
Nerve:
Root:

A

Superior gluteal nerve

L4/L5

56
Q

Gluteus Medius
Nerve:
Root:

A

Superior gluteal nerve

L4/L5/S1

57
Q

Gluteus minimus
Nerve:
Root:

A

Superior gluteal nerve

L4/5 S1

58
Q

Gluteus Maximus
Nerve:
Root:

A

Inferior gluteal nerve

L5/S1/S2

59
Q

Obturator externus
Nerve:
Root:

A

Obturator nerve

L3/4

60
Q

Adductor brevis
Nerve:
Root:

A

Obturator nerve

L2/3/4

61
Q

Adductor longus
Nerve:
Root:

A

Obturator nerve

L2/3/4

62
Q

Gracilis
Nerve:
Root:

A

Obturator nerve

L2/3

63
Q

Adductor magnus
Nerve:
Root:

A

Obturator nerve
L2/3/4

Tibial division of sciatic nerve - L4

64
Q

Biceps femoris (short head)
Nerve:
Root:

A

Sciatic nerve - peroneal division

L5, S1, S2

65
Q

Semimembranosus
Nerve:
Root:

A

Sciatic nerve - tibial division

L5/S1/S2

66
Q

Semitendinonsus
Nerve:
Root:

A

Sciatic nerve - tibial division

L5, S1, S2

67
Q

Biceps femoris (long head)
Nerve:
Root:

A

Sciatic nerve - tibial division

L5/S1/S2

68
Q

Extensor digitorum longus
Nerve:
Root:

A

Common peroneal nerve - deep division

L5/S1

69
Q

Tibialis anterior
Nerve:
Root:

A

Common peroneal nerve - deep division

L4/L5

70
Q

Extensor Hallocis longus
Nerve:
Root:

A

Common peroneal nerve - deep division

L5/S1

71
Q

Peroneus Tertius
Nerve:
Root:

A

Common peroneal nerve - deep division

L5/S1

72
Q

Extensor Digitorum Brevis
Nerve:
Root:

A

Common peroneal nerve - deep division

L5/S1

73
Q

Peroneus longus
Nerve:
Root:

A

Common peroneal nerve - Superficial peroneal nerve

L5/S1

74
Q

Peroneus brevis
Nerve:
Root:

A

Comon peroneal nerve - superficial division

L5/S1

75
Q

Gastrocnemius (medial & lateral head)
Nerve:
Root:

A

Tibial nerve

both heads S1, S2

76
Q

Plantaris
Nerve:
Root:

A

Tibial nerve

S1/S2

77
Q

Soleus
Nerve:
Root:

A

Tibial nerve

S1/S2

78
Q

Popliteus
Nerve:
Root:

A

Tibial nerve

L4/5/S1

79
Q

Tibialis posterior - four digits
Nerve:
Root:

A

Posterior tibial nerve - from tibial

L4/L5

80
Q

Flexor digitorum longus
Nerve:
Root:

A

Posterior tibial nerve - from tibial

S2/S3

81
Q

Flexor Hallucis Longus
Nerve:
Root:

A

posterior tibial nerve - from tibial

S2/S3

82
Q

Flexor digitorum brevis
Nerve:
Root:

A

Medial plantar nerve - from posterior tibial
from tibial
S2/S3

83
Q

Abductor hallucis
Nerve:
Root:

A

Medial plantar nerve - from posterior tibial \

S2/S3

84
Q

Flexor hallucis brevis
Nerve:
Root:

A

Medial plantar nerve - from posterior tib - from tib

S2/S3

85
Q

First lumbrical
Nerve:
Root:

A

Medial plantar nerve - from posterior tib - from tib

S2/S3

86
Q

Abductor digiti minimi
Nerve:
Root:

A

Lateral plantar nerve - from posterior tib - from tib

S2/S3

87
Q

Quadratus Plantae
Nerve:
Root:

A

Lateral plantar nerve - from posterior tib - from tib

S2/S3

88
Q

Flexor digiti minimi brevis
Nerve:
Root:

A

Lateral plantar nerve - from posterior tib - from tib

S2/S3

89
Q

Lumbricals 2-4 - three muscles
Nerve:
Root:

A

Lateral plantar nerve - from posterior tib - from tib

S2/S3

90
Q

Dorsal interossei - four muscles
Nerve:
Root:

A

Lateral plantar nerve - from posterior tib - from tib

S2/S3

91
Q

Plantar interossei - three muscles
Nerve:
Root:

A

Lateral plantar nerve - from posterior tib - from tib

S2/S3

92
Q

adductor hallucis
Nerve:
Root:

A

Lateral plantar nerve - from posterior tib - from tib

S2/S3

93
Q

Dual innervation muscles:

8

A
  1. Pec major - lateral and medial pectoral
  2. Brachialis - musculocutaneous and radial
    3 flexor digitorum profundus - median nerve (AIN) & ulnar
    4 .lumbricals - median and ulnar
  3. flexor pollicis brevis - median and ulnar
  4. pecitineus - femoral and obturator
  5. adductor magnus - sciatic n (tibial portion) and obturator
  6. biceps femoris - sciatic n (tibial portion ) and sciatic n (peroneal portion)

EMG SAE (4 decks)

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