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PTRS 703 Tests and Measures > Dermatomes, Myotomes, & Reflexes > Flashcards

Dermatomes, Myotomes, & Reflexes Flashcards

1
Q

Dermatome: L1

A

Groin

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2
Q

Dermatome: L2

A

Anterior proximal thigh

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3
Q

Dermatome: L3

A

Medial aspect of distal thigh and knee

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4
Q

Dermatome: L4

A

Lat aspect of knee and Medial distal leg

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5
Q

Dermatome: L5

A

Dorsum of foot

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6
Q

Dermatome: S1

A

Lateral foot

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7
Q

Dermatome: S2

A

Medial aspect of heel

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8
Q

Myotome: L2

A

Hip Flexion (Psoas)

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9
Q

Myotome: L3

A

Knee Extension (Quads) – slightly bent

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10
Q

Myotome: L4

A

DF/ Inv (Anterior Tibialis) – pull down and out; stab laterally

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11
Q

Myotome: L5

A

Toe Extension (EHL and EDL)

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12
Q

Myotome: S1

A

Gastrocnemius/soleus; Eversion (Peroneals) – pull in

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13
Q

Myotome: S2

A

Toe Flexion (FDL)

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14
Q

Reflex: L3

A

Patellar Tendon – back of hammer

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15
Q

Reflex: L4

A

(Patellar Tendon)

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16
Q

Reflex: L5

A

Medial Hamstring Tendon – on semitendinosus

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17
Q

Reflex: S1

A

Achilles Tendon – slight dorsiflexion

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18
Q

Dermatome: Groin

A

L1

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19
Q

Dermatome: Anterior proximal thigh

A

L2

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20
Q

Dermatome: Medial aspect of distal thigh and knee

A

L3

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21
Q

Dermatome: Lat aspect of knee and Medial distal leg

A

L4

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22
Q

Dermatome: Dorsum of foot

A

L5

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23
Q

Dermatome: Lateral foot

A

S1

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24
Q

Dermatome: Medial aspect of heel

A

S2

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25
Myotome: Hip Flexion (Psoas)
L2
26
Myotome: Knee Extension (Quads) – slightly bent
L3
27
Myotome: DF/ Inv (Anterior Tibialis) – pull down and out; stab laterally
L4
28
Myotome: Toe Extension (EHL and EDL)
L5
29
Myotome: Gastrocnemius/soleus; Eversion (Peroneals) – pull in
S1
30
Myotome: Toe Flexion (FDL)
S2
31
Reflex: Patellar Tendon
L3/L4
32
Reflex: Medial Hamstring Tendon/Semitendinosus
L5
33
Reflex: Achilles Tendon
S1
34
Dermatome: C2
Side of head
35
Dermatome: C3
Anterior and lateral neck
36
Dermatome: C4
Supraclavicular area/Over trap
37
Dermatome: C5
Lateral Arm
38
Dermatome: C6
Pad of thumb
39
Dermatome: C7
Pad of index/middle finger
40
Dermatome: C8
Hypothenar eminence and 5th finger
41
Dermatome: T1
Medial forearm
42
Myotome: C1
Rectus Capitis Anterior and lateral (flexion)
43
Myotome: C2
Rectus Capitis Posterior (extension)
44
Myotome: C3
Scalenes; Erector Spinae (side bend)
45
Myotome: C4
Scapular elevation (Upper trapezius; levator scapulae)
46
Myotome: C5
Shoulder abduction/Middle deltoid OR Elbow Flexion/Biceps
47
Myotome: C6
Extensor Carpi Radialis/Wrist extension (Pressure down and out)
48
Myotome: C7
Triceps (elbow extension)
49
Myotome: C8
Thumb Extension (EPL)
50
Myotome: T1
Finger adduction (PAD)
51
Reflex: C4
Levator Scapulae
52
Reflex: C5
Deltoid
53
Reflex: C6
Biceps
54
Reflex: C7
Triceps
55
Reflex: C8
Long Finger Flexors
56
Dermatome: Side of head
C2
57
Dermatome: Anterior and lateral neck
C3
58
Dermatome: Supraclavicular area/Over trap
C4
59
Dermatome: Lateral Arm
C5
60
Dermatome: Pad of thumb
C6
61
Dermatome: Pad of index/middle finger
C7
62
Dermatome: Hypothenar eminence and 5th finger
C8
63
Dermatome: Medial forearm
T1
64
Myotome: Rectus Capitis Anterior and lateral (flexion)
C1
65
Myotome: Rectus Capitis Posterior (extension)
C2
66
Myotome: Scalenes; Erector Spinae (side bend)
C3
67
Myotome: Scapular elevation (Upper trapezius; levator scapulae)
C4
68
Myotome: Shoulder abduction/Middle deltoid OR Elbow Flexion/Biceps
C5
69
Myotome: Extensor Carpi Radialis/Wrist extension (Pressure down and out)
C6
70
Myotome: Triceps (elbow extension)
C7
71
Myotome: Thumb Extension (EPL)
C8
72
Myotome: Finger adduction (PAD)
T1
73
Reflex: Levator Scapulae
C4
74
Reflex: Deltoid
C5
75
Reflex: Biceps
C6
76
Reflex: Triceps
C7
77
Reflex: Long finger flexors
C8
78
Reflex Grading 0 1+ 2+ 3+ 4+
0 = no response 1+ = low normal (present, depressed) 2+ = normal 3+ = possible abnormal (brisk) 4+ = abnormal (very brisk)
79
Reflex Mechanism (5)
1. Tap tendon 2. Stretches muscle 3. Spindle feel stretch 4. Sensory 1a fibers send signal to spinal cord 5. Motor neuron in spinal cord tells muscle to contract \* Simple reflex response - doesn't travel to brain
80
Abnormal response: Too much/hyper
Upper motor neuron lesion
81
Abnormal response: Too little/hypo
Lower motor neuron lesion
82
T/F: To determine if it is too much/little of a response is based on average response times.
False: key is symmetry abnormal = asymmetric response bilaterally normal = symmetric response bilaterally
83
Dermatome Diagram

PTRS 703 Tests and Measures (5 decks)

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