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EMG > UE Innervation > Flashcards

UE Innervation Flashcards

1
Q

Abductor pollicis brevis (APB) innervation

A

C8-T1
Lower trunk
Medial cord
Median nerve

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2
Q

Opponens Pollicis innervation

A

C8-T1
Lower trunk
Medial cord
Median nerve

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3
Q

Flexor Pollicis Brevis (FPB) innervation

  • Superficial
  • Deep
A

C8-T1
lower trunk
medial cord
*Median nerve

C8-T1
lower trunk
medial cord
*Ulnar nerve

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4
Q

Pronator Quadratus innervation

A

C7-T1 (predominantly C8)
Middle-lower trunks
Lateral-medial cords
Median nerve ( AIN)

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5
Q

Flexor Pollicis Longus (FPL) innervation

A

C7-T1 (predominantly C8)
Middle-lower trunks
Lateral-medial cords
Median nerve ( AIN)

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6
Q

Flexor Digitorum Profundus - Digits 2, 3 innervation

A

C7-T1 (predominantly C8)
Lower trunk
Medial cord
Median nerve ( AIN)

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7
Q

Flexor Digitorum Sublimis (FDS) innervation

A

C7-C8 (predominantly C8)
Middle-lower trunks
Medial-lateral cords
Median nerve

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8
Q

Flexor Carpi Radialis innervation

A

C6-C7
Upper - middle trunks
Lateral cord
Median nerve

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9
Q

Pronator teres innervation

A

C6-C7
Upper - middle trunks
Lateral cord
Median nerve

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10
Q

First dorsal interosseous innervation

A

C8-T1
Lower trunk
Medial cord
Ulnar nerve

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11
Q

Abductor digiti minimi innervation

A

C8-T1
Lower trunk
Medial cord
Ulnar nerve

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12
Q

Flexor Digitorum Profundus - Digits 4, 5 innervation

A

C7-T1 (predominantly C8)
Lower trunk
Medial cord
Ulnar nerve

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13
Q

Flexor carpi ulnaris innervation

A

C8-T1 (mostly C8)
Lower trunk
Medial cord
Ulnar nerve

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14
Q

Extensor indicis proprius innervation

A

C7-C8 (mostly C8)
Middle-lower trunk
Posterior cord
Radial nerve, PIN

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15
Q

Extensor Carpi Ulnaris innervation

A

C7-C8 (mostly C8)
Middle-lower trunk
Posterior cord
Radial nerve, PIN

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16
Q

Extensor Digitorum Communis innervation

A

C7-C8 (mostly C7)
Middle-lower trunk
Posterior cord
Radial nerve, PIN

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17
Q

Extensor Carpi Radialis - Long head innervation

A

C6-C7
Upper-middle trunk
Posterior cord
Radial nerve

18
Q

Brachioradialis innervation

A

C5-C6
Upper trunk
Posterior cord
Radial nerve

19
Q

Anconeus innervation

A

C6-C8 (mostly C7)
Upper/middle/lower trunks
Posterior cord
Radial nerve

20
Q

Triceps lateral head innervation

A

C6-C8 (mostly C7)
Upper/middle/lower trunks
Posterior cord
Radial nerve

21
Q

Biceps innervation

A

C5-C6
Upper trunk
Lateral cord
Musculocutaneous nerve

22
Q

Pectoralis major innervation

A

C5-T1 (mostly C6-C8)
Upper/middle/lower trunks
Medial-lateral cords
Medial-lateral pectoral nerves

23
Q

Deltoid medial head innervation

A

C5-C6
Upper trunk
Posterior cord
Axillary nerve

24
Q

Teres minor innervation

A

C5-C6
Upper trunk
Posterior cord
Axillary nerve

25
Q

Upper trapezius innervation

A

C3-C4
Spinal accessory nerve

26
Q

Sternocleidomastoid innervation

A

Upper cervical cord
Spinal accessory nerve

27
Q

Supraspinatus innervation

A

C5-C6
Upper trunk
Suprascapular nerve

28
Q

Infraspinatus innervation

A

C5-C6
Suprascapular nerve

29
Q

Rhomboids innervation

A

C4-C5 (mostly C5)
Dorsal scapular nerve

30
Q

Latissimus Dorsi innervation

A

C6-C8 (mostly C7)
Upper/middle/lower trunks
Posterior cord
Thoracodorsal nerve

31
Q

Serratus anterior innervation

A

C5-C7
Long thoracic nerve

32
Q

Brachialis innervation

A

C5-C6
Upper trunk
Lateral cord
Musculocutaneous nerve

33
Q

Teres Major innervation

A

C5-C6
Upper trunk
Posterior cord
Lower Subscapular nerve

34
Q

Supinator innervation

A

C5-C6
Upper trunk
Posterior cord
Radial nerve (PIN)

35
Q

Coracobrachialis innervation

A

C6-C7
Upper and middle trunks
Lateral cord
Musculocutaneous nerve

36
Q

Lumbricals 1,2 innervation

Lumbricals 3,4 innervation

A

C8-T1
Lower trunk
Medial cord
*Median nerve

C8-T1
Lower trunk
Medial cord
*Ulnar nerve

37
Q

Adductor pollicis innervation

A

C8-T1
Lower trunk
Medial cord
Ulnar nerve

38
Q

List muscles in C5-C6 and

Axillary nerve:
Musculocutaneous nerve:
Radial nerve:

A

*Deltoid
Teres minor

*Biceps brachii
Brachialis

*Brachioradialis

39
Q

List muscles in C6-C7

Musculocutaneous nerve:
Radial nerve:
Median nerve:

A

Coracobrachialis

Supinator
ECR
*Triceps (C6-C8)
Anconeus (C6-C8)

*Pronator teres
FCR

40
Q

List muscles in C7-C8 and

Radial nerve:
Median nerve:

A

-Radial nerve (C7-C8):
*Extensor digitorum communis
Extensor digiti minimi
Abductor pollicis longus
Extensor pollicis longus
Extensor pollicis brevis
Extensor indicis proprius
Extensor Carpi Ulnaris

-Median nerve (all C7-T1):
Palmaris longus
*FDS
FDP ( II, III)
FPL
Pronator quadratus

41
Q

List muscles in C8-T1 and

Median nerve:
Ulnar nerve:

A

Median: “LOAF”

Lumbricals ( II, III)
Opponens pollicis
*APB
Flexor pollicis brevis (superficial)

Ulnar:
Flexor pollicis brevis ( deep)
Adductor pollicis
*FCU
FDP (IV, V)
Opponens digiti minimi
*Abductor digiti minimi
*Interossei
Lumbricals (III, IV)

42
Q

Upper Extremity Root screen for Radiculopathy

Goal: test same nerve root, with 2 different peripheral nerves
- Add in additional muscles of same nerve root if that seems affected to confirm
- Add in additional muscles of same peripheral nerve if that seems affected to confirm

A
  1. Deltoid - C5-C6 axillary nerve
  2. Biceps brachii - C5-C6 musculocutaneous nerve
  3. Triceps - C6-C8 radial nerve
  4. Pronator teres - C6-C7 median nerve
  5. Extensor digitorum communis (EDC) - C7-C8 radial nerve
  6. First Dorsal Interossei ( FDI) - C8-T1 ulnar nerve
  7. Abductor Pollicis Brevis ( APB) - C8-T1 median nerve

extra if needed:
- Brachioradialis - C5-C6 radial nerve
-Abductor digiti minimi (ADM) - C8-T1 ulnar nerve
-Flexor carpi ulnaris ( FCU) - C8-T1 ulnar nerve

EMG (18 decks)

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