Myotomes/Dermatomes Flashcards

1
Q

C4 Myotome

A

Upper trap
Shoulder shrug, scapular upward rotation

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2
Q

C5 Myotome

A

Deltoid
Arm ABD, flex, ext

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3
Q

C6 Myotome

A

Biceps Brachii
Elbow flexion, FA supination

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4
Q

C7 Myotome

A

Triceps brachii
Elbow extension

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5
Q

C8 Myotome?

A

Thumb MCP abduction (ABD pollicis longus)

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6
Q

T1 Myotome?

A

Interossei
2nd-5th digit MCP flexion, abduction, adduction

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7
Q

L2 Myotome?

A

Iliopsoas, sartorial
Hip flexion, abduction, ER

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8
Q

L3 Myotome?

A

Quads
Knee extension but the reflex is L4 (DTR)*****

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9
Q

L4 Myotome?

A

DF
TiB ant

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10
Q

L5 Myotome?

A

Great toe ext
Extensor hallucis longus

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11
Q

S1 Myotome?

A

PF /IV/EV???????

DTR S1 is PF Gastroc/soleus

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