Dermatomes And Myotomes Flashcards
1
Q
Elbow flexion myotome
A
C5 (C6)
2
Q
Wrist extension myotome
A
C6 (C7)
3
Q
Elbow extension myotome (triceps)
A
C7 (C8)
4
Q
Finger flexion myotome
A
C8
5
Q
Finger abduction myotome
A
(C8) T1
6
Q
Hip flexion myotone
A
(L1) L2
7
Q
Knee extension myotome (quadriceps)
A
L3 (L4)
8
Q
Ankle dorsiflexion myotome (tibialis ant)
A
L4 (L5)
9
Q
Great toe extension (extensor hallucis)
A
L5
10
Q
Ankle plantarflexion myotome
A
S1 (S2)
11
Q
Dorsum foot dermatome
A
L5
12
Q
Knee dermatome
A
L 4
13
Q
Umbilicus dermatome
A
T 10
14
Q
Nipples dermatome
A
T4
15
Q
2 medial fingers of hand dermatome
A
C8
16
Q
Thumb dermatome
A
C6
17
Q
Middle and index fingers dermatomes
A
C7
18
Q
Shoulder dermatome
A
C5
19
Q
Inner forearm dermatome
A
T 1
20
Q
Upper inner arm dermatome
A
T 2
21
Q
Medial malleolus dermatome
A
L4
22
Q
Lateral malleolus dermatome
A
S1
23
Q
Posterior head dermatome
A
C2 C3
24
Q
Biceps reflex roots
A
C5 C6
25
Brachioradialis reflex roots
C5 C6
| Supinator
26
Triceps reflex roots
C7 (C8)
27
Knee reflex roots
L3 L4
28
Ankle reflex roots
S1 (s2)
| Gastrocnemius and soleus
29
Myotome trapezius
C4
30
Myotome deltoid
C5
31
Wrist flexion myotome
C7
32
Hand myotome
C8
33
Gluteus maximus myotome
S3
34
Hamstring myotome
S2
35
Rectus femoris myotome (hip flex)
L2
36
Hip adductors myotome
L2
37
Calf myotome
S1
38
Pec major myotome (adduct and depress arm)
T1
39
Iliopsoas (flex hip) myotome
L1 (L2)
40
Peroneal foot muscles myotome (evert)
L5
41
Groin dermatome
T12/L1
42
Xiphisternum dermatome
T8
43
Jaw jerk reflex root
CN5
44
Cremasteric reflex root
L1/L2
45
Anal innervation
S2-S4
46
Shoulder abduction myotome
C5
47
Shoulder adduction myotome
C5 C6 C7
48
Wrist flexion myotome
C6 C7
49
Knee flexion myotone
S1 S2
50
Key sensory point c2?
Occiput protruberance
51
Key sensory point c3?
Supraclavicular fossa midclavicular line
52
Key sensory point c 4?
Acromioclavicalar joint
53
Key sensory point c5?
Lateral side antecubital fossa just proximal to elbow crease
54
Key sensory point c6?
Dorsal surface proximal phalanx thumb
55
Key sensory point c7?
Dorsal surface proximal phalanx middle finger
56
Key sensory point c8?
Dorsal surface proximal phalanx little finger
57
Key sensory point T 1?
Medial antecubital fossa just proximal to medial epicondyle humerus
58
Key sensory point T 2?
Apex axilla
59
Key sensory point T 3?
Mcl 3rd ics
60
Key sensory point T 4?
Mcl 4th ics nipple line
61
Key sensory point T 6?
Mcl at 6th ics at xiphisternum
62
Key sensory point T 10?
Mcl 10th ics at umbilicus level
63
Key sensory point T 12?
Mcl over midpoint inguinal ligament
64
Key sensory point L 3?
Medial femoral condyle above knee
65
Key sensory point L 4?
Medial malleolus
66
Key sensory point L 5?
Dorsal foot 3rd metatarsal phalangeal joint
67
Key sensory point S 1?
Lateral calcaneus
68
Key sensory point S 2?
Midpoint popliteal fossa
69
Key sensory point S 3?
Ischial tuberosity
70
Key sensory point S 4-5?
Perianal
71
Name peripheral nerve, movement and muscle of nerve root C5
- axillary nerve
- shoulder abduction
- deltoid muscle
72
Name peripheral nerve, movement and muscle of nerve root C 6 (2)
Musculocutaneous nerve (c5 C6)
- elbow flexion
- Biceps brachii
Radial nerve
- wrist extension
- brachioradialis, extensor carpi radialis longus
73
Name peripheral nerve, movement and muscle of nerve root C 7 (3)
Radial nerve
- elbow extension
- triceps brachii
Posterior interosseous nerve
- finger extension
- extensor digitorum communis
Median nerve
- forearm pronation, wrist flexion
- pronator teres, flexor carpi radialis
74
Name peripheral nerve, movement and muscle of nerve root C8, T 1 (2)
Median nerve
- thumb flexion, abduction, opposition
- flexor pollicis longus, abductor pollicis brevis, opponens pollicis
Ulnar nerve
- finger abduction
- first dorsal interosseous muscle
75
Name peripheral nerve, movement and muscle of nerve root L 2, 3,4 (2)
Femoral nerve
- hip flexion
- iliopsoas
Obturator
- hip adduction
76
Name peripheral nerve, movement and muscle of nerve root L3 L4 (2)
Femoral
- knee extension
- quadriceps
Deep peroneal (L4/L5)
- dorsiflexion
- tibialis anterior
77
Name peripheral nerve, movement and muscle of nerve root L5 (5)
Superior gluteal nerve (L5 s1)
- hip abduction
- tensor fascia lata
Sciatic (L5 s1)
- knee flexion
- hamstring
Tibial
- ankle inversion
- tibialis posterior
Superficial peroneal
- ankle eversion
- peroneus muscles
Deep peroneal
- big toe extension
- tibialis anterior, extensor hallucis longus
78
Name peripheral nerve, movement and muscle of nerve root s1 (3)
Inferior gluteal Nerve
- hip extension
- gluteus maximus
Sciatic
- knee flexion
- hamstring
Tibial
- Plantarflexion
- gastrocnemius, soleus
