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MSK > UE Muscle Innervations > Flashcards

UE Muscle Innervations Flashcards

1
Q

What innervates the Trapezius muscle?

A

Spinal part of the accessory nerve (cranial nerve XII)

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2
Q

What innervates the Latissimus Dorsi muscle?

A

Thoracodorsal

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3
Q

What innervates the Levator Scapulae muscle?

A

Dorsal scapular nerve

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4
Q

What innervates the Rhomboid Major and Minor muscles?

A

Dorsal scapular nerve

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5
Q

What innervates the Serratus Posterior Superior muscle?

A

Intercostal nerves 2-5

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6
Q

What innervates the Serratus Posterior Inferior muscle?

A

Intercostal nerves 9-12

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7
Q

What innervates the Splenius Capitus muscle?

A

Dorsal rami of the cervical nerve

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8
Q

What innervates the Erector Spinae (Iliocostalis, Longissimus, Spinalis) muscles?

A

Dorsal rami of the cervical, thoracic, and lumbar spinal nerves

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9
Q

What innervates the Deltoid muscle?

A

Axillary nerve

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10
Q

What innervates the Supraspinatus muscle?

A

Suprascapular nerve

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11
Q

What innervates the Teres Minor muscle?

A

Axillary nerve (has a pseudoganglion)

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12
Q

What innervates the Teres Major muscle?

A

Lower subscapular nerve

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13
Q

What innervates the Subscapularis muscle?

A

Upper and lower subscapular nerves

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14
Q

What innervates the Triceps (long head, lateral head, medial head) muscle?

A

Radial Nerve

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15
Q

What innervates the Anconeus muscle?

A

Radial Nerve

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16
Q

What innervates the Brachioradialis muscle?

A

Radial nerve (above the elbow)

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17
Q

What innervates the Extensor Carpi Radialis Longus muscle?

A

Radial nerve (above the elbow)

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18
Q

What innervates the Extensor Carpi Radialis Brevis muscle?

A

Deep branch of the radial nerve, posterior interosseous nerve (before piercing the supinator)

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19
Q

What innervates the Extensor Digitorum muscle?

A

Deep branch of the radial nerve

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20
Q

What innervates the Extensor Digiti Minimi muscle?

A

Deep branch of the radial nerve

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21
Q

What innervates the Extensor Carpi Ulnaris muscle?

A

Deep branch of the radial nerve

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22
Q

What innervates the Supinator muscle?

A

Deep branch of the radial nerve

23
Q

What innervates the Semi Spinalis muscle?

A

Dorsal rami of the spinal nerves

24
Q

What innervates the Abductor Pollicis Longus muscle?

A

Deep branch of the radial nerve

25
Q

What innervates the Extensor Pollicis Brevis muscle?

A

Deep branch of the radial nerve

26
Q

What innervates the Extensor Pollicis Longus muscle?

A

Deep branch of the radial nerve

27
Q

What innervates the Extensor Indicis muscle?

A

Deep branch of the radial nerve

28
Q

What innervates the Pectoralis Major muscle?

A

Medial and Lateral pectoral nerve

29
Q

What innervates the Pectoralis Minor muscle?

A

Medial pectoral nerve

30
Q

What innervates the Serratus Anterior muscle?

A

Long Thoracic Nerve (nerve of bell)

31
Q

What innervates the Biceps Brachii muscle?

A

Musculocutaneous nerve

32
Q

What innervates the Coracobrachialis muscle?

A

Musculocutaneous nerve

33
Q

What innervates the Brachialis muscle?

A

Major part by the musculocutaneous nerve and a small lateral part by the radial nerve

34
Q

What innervates the Pronator Teres muscle?

A

Median nerve

35
Q

What innervates the Flexor Carpi Radialis muscle?

A

Median Nerve

36
Q

What innervates the Palmaris Longus muscle?

A

Median Nerve

37
Q

What innervates the Flexor Carpi Ulnaris muscle?

A

Ulnar nerve

38
Q

What innervates the Flexor Digitorum Superficialis muscles?

A

Median Nerve

39
Q

What innervates the Flexor Pollicis Longus muscle?

A

Median nerve (anterior interosseous branch)

40
Q

What innervates the Flexor Digitorum Profundus muscle?

A

Medial part of the ulnar nerve and lateral part by the median nerve (anterior interosseous branch)

41
Q

What innervates the Pronator Quadratus muscle?

A

Median Nerve (anterior interosseous branch)

42
Q

What innervates the Flexor Pollicis Brevis muscle?

A

Median Nerve

43
Q

What innervates the Abductor Pollicis Brevis muscle?

A

Median Nerve

44
Q

What innervates the Opponens Pollicis muscle?

A

Median nerve

45
Q

What innervates the Flexor Digiti Minimi muscle?

A

Ulnar nerve

46
Q

What innervates the Abductor Digiti Minimi muscle?

A

Ulnar nerve

47
Q

What innervates the Opponens Digiti Minimi muscle?

A

Ulnar nerve

48
Q

What innervates the Palmaris Brevis muscle?

A

Ulnar nerve

49
Q

What innervates the Adductor Pollicis muscle?

A

Ulnar nerve and Median Nerve

50
Q

What innervates Lumbricals 1 and 2 (index and long finger) muscles?

A

Median Nerve

51
Q

What innervates Lumbricals 3 and 4 (ring and pinky) muscles?

A

ulnar nerve

52
Q

What innervates the Palmar and Dorsal Interossei muscles?

A

Ulnar nerve

53
Q

What Innervates the Infraspinatus muscle?

A

Suprascapular Nerve

MSK (11 decks)

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