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Anatomy > myotomes of the arm and leg > Flashcards

myotomes of the arm and leg Flashcards

1
Q

What is the myotome responsible for Shoulder Abduction?

A

C5 (axillary)

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2
Q

What is the myotome responsible for Shoulder Adduction ?

A

C678

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3
Q

What is the myotome responsible for Elbow Flexion and wrist extension?

A

C6

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4
Q

What is the myotome responsible for Elbow extension and wrist flexion?

A

C7 (radial)

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5
Q

What is the myotome responsible for Finger Flexion?

A

C8 (median

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6
Q

What is the myotome responsible for Finger Extension?

A

C7 (radial – posterior interosseous)

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7
Q

What is the myotome responsible for Finger Abduction?

A

T1 (ulnar)

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8
Q

What is the myotome responsible for Abductor pollis brevis?

A

T1 (median

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9
Q

What is the myotome responsible for Hip Flexion?

A

L2 (femoral)

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10
Q

What is the myotome responsible for Hip Extension?

A

L5 (inferior gluteal)

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11
Q

What is the myotome responsible for Knee Extension?

A

L34 (femoral)

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12
Q

What is the myotome responsible for Knee Flexion?

A

S1 (sciatic)

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13
Q

What is the myotome responsible for Ankle Dorsiflexion?

A

L4 (deep peroneal)

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14
Q

What is the myotome responsible for Ankle Plantarflexion?

A

S1 (tibial)

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15
Q

What is the myotome responsible for Great toe flexor?

A

L5 (deep peroneal)

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16
Q

What are the muscles involved in adduction of the arm?

A
  • Pectoralis major

* latissimus dorsi

17
Q

What are the muscles involved in abduction of the arm?

A
  • Supra spinatus → first 15°
  • Deltoid → 15° - 90°
  • Trapezius → 90° -180°
18
Q

What are the muscles involved in internal rotation of the arm?

A
  • Pectoralis major

* anterior fibers of deltoid

19
Q

What are the muscles involved in external rotation of the arm?

A
  • Latissimus dorsi

* posterior fibers of deltoid

20
Q

What are the muscles involved in flexion of the arm?

A
  • Pectoralis major

* anterior fibers of the deltoid

21
Q

What are the muscles involved in extension of the arm?

A
  • Latissimus dorsi

* teres major (“little lat”)

Anatomy (4 decks)

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