myotomes Flashcards

1
Q

shoulder abduction?

A

C5

deltoid

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2
Q

Shoulder adduction?

A

C7

pec maj and lat dorsi

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3
Q

Elbow flexion?

A

C6

biceps brachii

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4
Q

Elbow extension?

A

C7

triceps brachii

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5
Q

Finger flexion?

A

C8

flexor digitorum superficialis

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6
Q

Finger extension?

A

C7

digit extensors

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7
Q

Finger abduction?

A

T1

Dorsal interossei

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8
Q

Finger adduction?

A

T1

Palmar interossei

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9
Q

Wrist flexion?

A

C6/7

carpal flexors

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10
Q

Wrist extension?

A

C7/8

Carpal extensors

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11
Q

Hip flexion?

A

L2/3

Psoas major

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12
Q

Hip extension?

A

L5/S1

Glut max and hamstrings

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13
Q

Knee flexion?

A

S2

Biceps femoris

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14
Q

Knee extension?

A

L3

Quadriceps femoris

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15
Q

Ankle dorsiflexion?

A

L4

Tibialis anterior

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16
Q

Ankle Plantarflexion?

A

S1

Gastrocnemius

17
Q

Ankle inversion?

A

L4

Tibialis anterior

18
Q

Ankle eversion?

A

L5/S1

Fibularis longus & brevis

19
Q

Great toe extension?

A

L5

Extensor hallucis longus

20
Q

Ankle jerk?

A

S1

21
Q

Knee Jerk?

A

L3

22
Q

Biceps jerk?

A

C5/6

23
Q

Triceps jerk?

A

C7

24
Q

Wrist jerk?

A

C6
Brachioradialis
Radial nerve

25
Q

function of erector spinae?

A

extend and lateral flex back

26
Q

Flexion of back

A

Psoas major + rectus abdmominis

27
Q

Where do CN 3-12 attach to spinal cord?

A
Midbrain - 3 and 4
pons - 5
pontomedullary junction - 6, 7, 8
medulla - 9, 10
C-spine - 11
lateral to pyramids - 12