Myotomes Flashcards
1
Q
Biceps: Nerve/"branch": Cord: Division: Trunk: Root:
A
Musculocutaneous N Lateral cord Anterior division Upper trunk C5/C6
2
Q
Brachialis Nerve/"branch": Cord: Division: Trunk: Root:
A
Musculocutaneous N Lateral cord Anterior division Upper trunk C5/6
3
Q
Coracobrachialis Nerve/"branch": Cord: Division: Trunk: Root:
A
Musculocutaneous N Lateral Cord Anterior division Upper trunk C5/6/7
4
Q
Deltoid Nerve/"branch": Cord: Division: Trunk: Root:
A
Axillary N Posterior cord Posterior division Middle trunk C5/6
5
Q
Teres Minor Nerve/"branch": Cord: Division: Trunk: Root:
A
Axillary N Posterior cord Posterior division Middle trunk C5/6
6
Q
Supinator Nerve/"branch": Cord: Division: Trunk: Root:
A
Radial N Posterior cord Posterior division Upper trunk C5/6
7
Q
Brachioradialis Nerve/"branch": Cord: Division: Trunk: Root:
A
Radial N Posterior cord Posterior division Upper and middle trunk C5/6/7
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
9
Q
Triceps Nerve/"branch": Cord: Division: Trunk: Root:
A
Radial N Posterior cord Posterior division upper and middle trunk C6/7/8
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
11
Q
Extensor Digitorum Nerve/"branch": Cord: Division: Trunk: Root:
A
Radial N Posterior cord Posterior division Middle and lower trunk C7/8
12
Q
EIP Nerve/"branch": Cord: Division: Trunk: Root:
A
Radial N Posterior cord Posterior division MIddle and lower trunk C7/8
13
Q
EDM Nerve/"branch": Cord: Division: Trunk: Root:
A
Radial N Posterior Cord Posterior division MIddle and lower trunk C7/8
14
Q
Extensor carpi ulnaris Nerve/"branch": Cord: Division: Trunk: Root:
A
Radial N Posterior Cord Posterior Division Middle and lower trunk C7/8
15
Q
Abductor Pollicis Longus Nerve/"branch": Cord: Division: Trunk: Root:
A
Radial N Posterior Cord Posterior division MIddle and lower trunk C7/8
16
Q
Extensor Pollicis Brevis Nerve/"branch": Cord: Division: Trunk: Root:
A
Radial N Posterior Cord Posterior division Middle and lower trunk C7/8
17
Q
Extensor pollicis longus Nerve/"branch": Cord: Division: Trunk: Root:
A
Radial N Posterior Cord Posterior Division MIddle and lower trunk C7/8
18
Q
Anconeus Nerve/"branch": Cord: Division: Trunk: Root:
A
Radial N Posterior Cord Posterior Division Middle and lower trunk C7/8/1
19
Q
Pronator Teres Nerve/"branch": Cord: Division: Root:
A
Median N
Lateral Cord
Anterior division
C6/7
20
Q
Flexor Carpi Radialis Nerve/"branch": Cord: Division: Root:
A
Median N
Lateral Cord
Anterior division
C6/7
21
Q
Palmaris Longus Nerve/"branch": Cord: Division: Root:
A
Median N
Lateral and Medial Cord
Anterior Division
C7/8
22
Q
Flexor Digitorum Superficialis (4 muscles) Nerve/"branch": Cord: Division: Root:
A
Median N
Lateral and Medial Cord
Anterior Division
C7/8/T1
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
24
Q
Flexor Pollicis Longus Nerve/"branch": Cord: Division: Root:
A
Median N
Medial Cord
Anterior division
C8/T1
25
```
Pronator Quadratus
Nerve/"branch":
Cord:
Division:
Root:
```
Median N
Medial Cord
Anterior Division
C8/T1
26
```
Lumbricals (4 muscles)
Nerve/"branch":
Cord:
Division:
Root:
```
```
(2 muscles)
Median N
Medial Cord
Anterior Division
C8/T1
```
```
(2 muscles)
Ulnar N
Medial Cord
Anterior Division
C8/T1
```
27
```
Opponens Pollicus
Nerve/"branch":
Cord:
Division:
Root:
```
Median N
Medial Cord
Anterior Division
C8/T1
28
```
Abductor Pollicis Brevis
Nerve/"branch":
Cord:
Division:
Root:
```
Median N
Medial Cord
Anterior Division
C8/T1
29
```
Flexor Pollicis Brevis
Nerve/"branch":
Cord:
Division:
Root:
```
(1/2) Median N
Medial Cord
Anterior Division
C8/T1
(1/2) Ulnar N
Medial Cord
Anterior Division
C8/T1
30
```
Flexor Carpi Ulnaris
Nerve/"branch":
Cord:
Division:
Root:
```
Ulnar N
Medial Cord
Anterior Division
C7/8
31
```
Dorsal Interossei (4 muscles)
Nerve/"branch":
Cord:
Division:
Root:
```
Ulnar N
Medial Cord
Anterior Division
C8/T1
32
```
Palmar Interossei (3 muscles)
Nerve/"branch":
Cord:
Division:
Root:
```
Ulnar N
Medial Cord
Anterior Division
C8/T1
33
```
Adductor Pollicis
Nerve/"branch":
Cord:
Division:
Root:
```
Ulnar N
Medial Cord
Anterior Division
C8/T1
34
```
Hypothenar muscles:
- Opponens Digiti Minimi
- Abductor Digiti MInimi
- Flexor Digiti minimi
Nerve/"branch":
Cord:
Division:
Root:
```
Ulnar N
Medial Cord
Anterior Division
C8/T1
35
```
Palmaris Brevis
Nerve/"branch":
Cord:
Division:
Root:
```
Ulnar N
Medial Cord
Anterior Division
C8/T1
36
```
Teres Major
Nerve/"branch":
Cord:
Division:
Root:
```
Lower Subscapular N
Posterior cord
Posterior division
C5/6
37
```
Subscapularis
Nerve/"branch":
Cord:
Division:
Root:
```
Lower subscapular N
Posterior Cord
Posterior Division
C5/6/7
38
```
Latissimus Dorsi
Nerve/"branch":
Cord:
Division:
Root:
```
Thoraco Dorsal N
Posterior Cord
Posterior Division
C6/7/8
39
```
Lateral portion of Pectoralis Major
Nerve/"branch":
Cord:
Division:
Root:
```
Lateral Pectoral N
Not really lateral cord
Anterior Division
C5/6
40
```
Subscapularis
Nerve/"branch":
Cord:
Division:
Root:
```
Upper Subscapular N
No Cord - almost posterior division
Posterior Division
C5/6/7
41
```
Medial portion of Pectoralis major
Nerve/"branch":
Cord:
Division:
Root:
```
Medial Pectoral N
No Cord
Anterior Division
C7/8/T1
42
```
Pectoralis Minor
Nerve/"branch":
Cord:
Division:
Root:
```
Medial Pectoral N
No cord
Anterior Division
C8/T1
43
```
Infraspinatus
Nerve/"branch":
Cord:
Division:
Root:
```
Suprascapular N
Upper trunk - no cord or division
C5/6
44
```
Supraspinatus
Nerve/"branch":
Cord:
Division:
Root:
```
Suprascapular N
Upper trunk - no cord or division
C4/5/6
45
```
Rhomboids
Nerve/"branch":
Cord:
Division:
Root:
```
Dorsal Scapular N
No trunk/cord/division
C5
46
```
Levator Scapularis Muscle
Nerve/"branch":
Cord:
Division:
Root:
```
Dorsal Scapular N
No trunk/cord/division
C5
47
```
Serratus Anterior
Nerve/"branch":
Cord:
Division:
Root:
```
Long thoracic Nerve
NO trunk/cord/division
C5/6/7 nerve roots
48
Medial brachial cutaneous nerve
originates from what part of brachial plexus?
Serves what sensory region?
Medial cord, anterior division, lower trunk (C8/T1 ish)
| Medial aspect of proximal arm
49
Medial Antebrachial Cutaneous Nerve
Originates from what part of brachial plexus?
Serves what sensory region?
Medial cord, anterior division, lower trunk (C8/T1 ish)
| Medial aspect of forearm
50
Sartorius
Nerve:
Root:
Femoral nerve
| L2/L3
51
Iliacus
Nerve:
Root:
Femoral nerve
| L2/L3
52
Pectinius
Nerve:
Root:
Femoral nerve
L2/L3
may receive a branch from the obturator nerve
53
Quadriceps Femoris
NAME THEM (4)
Nerve:
Root:
Vastus medialis
Vastus Intermedius
Vastus Lateralis
Rectus Femoris
Femoral N
L2/L3/L4
54
Lateral femoral cutaneous n?
branches off of?
roots?
L2 and L3 nerve roots
55
Tensor fascia lata
Nerve:
Root:
Superior gluteal nerve
| L4/L5
56
Gluteus Medius
Nerve:
Root:
Superior gluteal nerve
| L4/L5/S1
57
Gluteus minimus
Nerve:
Root:
Superior gluteal nerve
| L4/5 S1
58
Gluteus Maximus
Nerve:
Root:
Inferior gluteal nerve
| L5/S1/S2
59
Obturator externus
Nerve:
Root:
Obturator nerve
| L3/4
60
Adductor brevis
Nerve:
Root:
Obturator nerve
| L2/3/4
61
Adductor longus
Nerve:
Root:
Obturator nerve
| L2/3/4
62
Gracilis
Nerve:
Root:
Obturator nerve
| L2/3
63
Adductor magnus
Nerve:
Root:
Obturator nerve
L2/3/4
Tibial division of sciatic nerve - L4
64
Biceps femoris (short head)
Nerve:
Root:
Sciatic nerve - peroneal division
| L5, S1, S2
65
Semimembranosus
Nerve:
Root:
Sciatic nerve - tibial division
| L5/S1/S2
66
Semitendinonsus
Nerve:
Root:
Sciatic nerve - tibial division
| L5, S1, S2
67
Biceps femoris (long head)
Nerve:
Root:
Sciatic nerve - tibial division
| L5/S1/S2
68
Extensor digitorum longus
Nerve:
Root:
Common peroneal nerve - deep division
| L5/S1
69
Tibialis anterior
Nerve:
Root:
Common peroneal nerve - deep division
| L4/L5
70
Extensor Hallocis longus
Nerve:
Root:
Common peroneal nerve - deep division
| L5/S1
71
Peroneus Tertius
Nerve:
Root:
Common peroneal nerve - deep division
| L5/S1
72
Extensor Digitorum Brevis
Nerve:
Root:
Common peroneal nerve - deep division
| L5/S1
73
Peroneus longus
Nerve:
Root:
Common peroneal nerve - Superficial peroneal nerve
| L5/S1
74
Peroneus brevis
Nerve:
Root:
Comon peroneal nerve - superficial division
| L5/S1
75
Gastrocnemius (medial & lateral head)
Nerve:
Root:
Tibial nerve
| both heads S1, S2
76
Plantaris
Nerve:
Root:
Tibial nerve
| S1/S2
77
Soleus
Nerve:
Root:
Tibial nerve
| S1/S2
78
Popliteus
Nerve:
Root:
Tibial nerve
| L4/5/S1
79
Tibialis posterior - four digits
Nerve:
Root:
Posterior tibial nerve - from tibial
| L4/L5
80
Flexor digitorum longus
Nerve:
Root:
Posterior tibial nerve - from tibial
| S2/S3
81
Flexor Hallucis Longus
Nerve:
Root:
posterior tibial nerve - from tibial
| S2/S3
82
Flexor digitorum brevis
Nerve:
Root:
Medial plantar nerve - from posterior tibial
from tibial
S2/S3
83
Abductor hallucis
Nerve:
Root:
Medial plantar nerve - from posterior tibial \
| S2/S3
84
Flexor hallucis brevis
Nerve:
Root:
Medial plantar nerve - from posterior tib - from tib
| S2/S3
85
First lumbrical
Nerve:
Root:
Medial plantar nerve - from posterior tib - from tib
| S2/S3
86
Abductor digiti minimi
Nerve:
Root:
Lateral plantar nerve - from posterior tib - from tib
| S2/S3
87
Quadratus Plantae
Nerve:
Root:
Lateral plantar nerve - from posterior tib - from tib
| S2/S3
88
Flexor digiti minimi brevis
Nerve:
Root:
Lateral plantar nerve - from posterior tib - from tib
| S2/S3
89
Lumbricals 2-4 - three muscles
Nerve:
Root:
Lateral plantar nerve - from posterior tib - from tib
| S2/S3
90
Dorsal interossei - four muscles
Nerve:
Root:
Lateral plantar nerve - from posterior tib - from tib
| S2/S3
91
Plantar interossei - three muscles
Nerve:
Root:
Lateral plantar nerve - from posterior tib - from tib
| S2/S3
92
adductor hallucis
Nerve:
Root:
Lateral plantar nerve - from posterior tib - from tib
| S2/S3
93
Dual innervation muscles:
| 8
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
5. flexor pollicis brevis - median and ulnar
6. pecitineus - femoral and obturator
7. adductor magnus - sciatic n (tibial portion) and obturator
8. biceps femoris - sciatic n (tibial portion ) and sciatic n (peroneal portion)
