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OS 203 > Upper Extremity - Innervation > Flashcards

Upper Extremity - Innervation Flashcards

0
Q

What innervates the latissimus dorsi?

A

Thoracodorsal (C6 - C8)

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1
Q

What innervates the trapezius?

A

Spinal accessory nerve; C3 and C4 nerves (proprioceptive)

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2
Q

What innervates the deltoid?

A

Axillary nerve (C5 - C6)

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3
Q

What innervates the supraspinatus?

A

Suprascapular nerve (C5 - C6)

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4
Q

What innervates the infraspinatus?

A

Suprascapular nerve (C5 - C6)

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5
Q

What innervates the teres major?

A

Lower subscapular nerve (C6 - C7)

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6
Q

What innervates the teres minor?

A

Axillary nerve (C5 - C6)

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7
Q

What innervates the subscapularis?

A

Lower and upper subscapular nerves (C5 - C6)

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8
Q

What innervates the pectoralis major?

A

Lateral and medial pectoral nerves (C5 - C8 and T1)

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9
Q

What innervates the biceps brachii?

A

Musculocutaneous nerve (C5 - C6)

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10
Q

What innervates the coracobrachialis?

A

Musculocutaneous nerve (C6 - C7)

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11
Q

What innervates the brachialis?

A

Musculocutaneous nerve (C5 - C6) and branch of radial nerve (C7)

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12
Q

What innervates the triceps brachii?

A

Radial nerve (C7 - C8)

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13
Q

What innervates the anconeus?

A

Radial nerve (C7 - C8)

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14
Q

What innervates the pronator teres?

A

Median nerve (C6 - C7)

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15
Q

What innervates the pronator quadratus?

A

Median nerve (C8 and T1)

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16
Q

What innervates the flexor carpi radialis?

A

Median nerve (C6 - C7)

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17
Q

What innervates the palmaris longus?

A

Median nerve (C6 - C7)

18
Q

What innervates the flexor carpi ulnaris?

A

Ulnar nerve (C7 - C8)

19
Q

What innervates the flexor digitorum superficialis?

A

Median nerve (C7 - C8 and T1)

20
Q

What innervates the flexor digitorum profundus?

A

Radial: Median nerve (C8 - T1)
Ulnar: Ulnar nerve (C8 - T1)

21
Q

What innervates the flexor pollicis longus?

A

Median nerve (C7 - T1)

22
Q

What innervates the supinator?

A

Deep branch of the radial nerve (C5 - C6)

23
Q

What innervates the brachioradialis?

A

Radial nerve (C5 - C6)

24
Q

What innervates the extensor carpi radialis longus?

A

Radial nerve (C6 - C7)

25
Q

What innervates the extensor carpi radialis brevis?

A

Deep branch of radial nerve (C7 - C8)

26
Q

What innervates the extensor digitorum?

A

Posterior interosseus branch of the radial nerve (C7 - C8)

27
Q

What innervates the extensor digit minimi?

A

Posterior interosseus branch of the radial nerve (C7 - C8)

28
Q

What innervates the extensor carpi ulnaris?

A

Posterior interosseus branch of the radial nerve (C7 - C8)

29
Q

What innervates the abductor pollicis longus?

A

Posterior interosseus branch of the radial nerve (C7 - C8)

30
Q

What innervates the extensor pollicis brevis?

A

Posterior interosseus branch of the radial nerve (C7 - C8)

31
Q

What innervates the extensor pollicis longus?

A

Posterior interosseus branch of the radial nerve (C7 - C8)

32
Q

What innervates the extensor indicis?

A

Posterior interosseus branch of the radial nerve (C7 - C8)

33
Q

What innervates the abductor pollicis brevis?

A

Recurrent branch of the median nerve (C8 - T1)

34
Q

What innervates the flexor pollicis brevis?

A

Recurrent branch of the median nerve (C8 - T1)

35
Q

What innervates the opponens pollicis?

A

Recurrent branch of the median nerve (C8 - T1)

36
Q

What innervates the adductor pollicis?

A

Deep branch of the ulnar nerve (C8 - T1)

37
Q

What innervates the abductor digiti minimi?

A

Deep branch of the ulnar nerve (C8 - T1)

38
Q

What innervates the flexor digiti minimi?

A

Deep branch of the ulnar nerve (C8 - T1)

39
Q

What innervates the opponens digiti minimi?

A

Deep branch of the ulnar nerve (C8 - T1)

40
Q

What innervates the lumbrical muscles?

A

Lumbricals 1 & 2: Median nerve (C8 - T1)

Lumbricals 3 & 4: Deep branch of the ulnar nerve (C8 - T1)

41
Q

What innervates the palmar interossei muscles?

A

Deep branch of the ulnar nerve (C8 - T1)

42
Q

What innervates the dorsal interossei muscles?

A

Deep branch of the ulnar nerve (C8 - T1)

OS 203 (8 decks)

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