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AH 321
Neurology Myotome Laboratory
Test each of the following myotomes for three (3) your
classmates and record.
| Root |
Muscles |
L1
|
R1
|
L2
|
R2
|
L3
|
R3
|
| C5 |
Deltoid Biceps
|
|
|
|
|
|
|
| C6 |
Wrist Extension Biceps
|
|
|
|
|
|
|
| C7 |
Wrist Flexors Finger
Extension
Triceps
|
|
|
|
|
|
|
| C8 |
Finger Flexion Hand
Intrinsics
|
|
|
|
|
|
|
| T1 |
Hand Intrinsics |
|
|
|
|
|
|
| Nerve |
Motor Test |
L1
|
R1
|
L2
|
R2
|
L3
|
R3
|
| Radial Nerve |
Wrist Extension Thumb
Extension
|
|
|
|
|
|
|
| Ulnar Nerve |
Abduction-Little finger |
|
|
|
|
|
|
| Median Nerve |
Thumb Pinch Opposition of
Thumb
Abduction of Thumb
|
|
|
|
|
|
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| Axillary Nerve |
Deltoid |
|
|
|
|
|
|
| Musculocutaneous Nerve |
Biceps |
|
|
|
|
|
|
| Root |
Muscles |
L1
|
R1
|
L2
|
R2
|
L3
|
R3
|
| L2 |
Psoas Hip adductors
|
|
|
|
|
|
|
| L3 |
Psoas Quadriceps
|
|
|
|
|
|
|
| L4 |
Tibialis anterior Extensor
hallucis
|
|
|
|
|
|
|
| L5 |
Extensor hallucis Peroneals
Gluteus medius
Dorsiflexors
|
|
|
|
|
|
|
| S1 |
Calf Hamstring
Peroneals
Plantar flexors
|
|
|
|
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| S2 |
Calf Hamstring
Plantar flexors
|
|
|
|
|
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| S4 |
Bladder Rectum
|
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