MSK Muscles of UE (small book) Flashcards

(54 cards)

1
Q

Abductor digiti minimi

Action, nerve, roots

A

abduct 5th finger
ulnar
C8, T1

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2
Q

Abductor pollicis brevis

Action, nerve, roots

A

thumb abduction and opposition
median
C8, T1

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3
Q

Abductor pollicis longus

A

thumb abduction, wrist radial deviation
radial (posterior interosseous)
C7, 8

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4
Q

Abductor pollicis

A

thumb palmar and radial abduction
ulnar
C7, 8, T1

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5
Q

Anconeus

A

Elbow extension
Radial
C7, 8

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6
Q

Biceps (when strong contraction required)

A

Shoulder flexion
Musculocutaneous
C5, 6, 7

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7
Q

Biceps brachii

A

Elbow flexion
Musculocutaneous
C5, 6

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8
Q

Brachialis

A

Elbow flexion
Musculocutaneous/Radial
C5, 6 (C7)

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9
Q

Brachioradialis

A

Elbow flexion
Radial
C5, 6, (C7)

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10
Q

Coracobrachialis

A

Shoulder flexion
Musculocutaneous
C5, 6, 7

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11
Q

Deltoid

A

Shoulder abd
Axillary
C5, 6

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12
Q

Delt (ant fibers)

A

Flexion, IR, HADD
Axillary
C5,6

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13
Q

Delt (post fibers)

A

Extension, ER, HABD
Axillary
C5,6

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14
Q

Dorsal interossei

A

DAB
Finger flexion, abduction
Ulnar
C8, T1

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15
Q

ECRB

A

Wrist extension
Radial
C7, 8

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16
Q

ECRL

A

Wrist extension
Radial
C6, 7

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17
Q

ECU

A

Wrist extension, UD
Radial
C7, 8

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18
Q

Extensor digiti minimi

A

Fifth finger extension
Radial
C7, 8

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19
Q

Extensor digitorum

A

Finger extension
Radial
C7, 8

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20
Q

Extensor indicis

A

Index extension
Radial
C7, 8

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21
Q

Extensor pollicis brevis

A

Thumb extension/abduction, wrist RD,
Radial
C7, 8

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22
Q

Extensor pollicis longus

A

Thumb extension
Radial
C7, 8

23
Q

FCR

A

Wrist flexion, pronation, RD
Median
C6, 7

24
Q

FCU

A

Wrist flexion, elbow flexion, UD
Ulnar
C7, 8

25
Flexor digiti minimi
5th digit flexion Ulnar C8, T1
26
Flex Digitorum Profundus
Finger flexion Median, ulnar C8, T1
27
Flex Digitorum Superficialis
Finger flexion Median C8, T1
28
Flexor pollicis brevis
Thumb flexion/opposition Superfician head (median) Deep head (ulnar) C8, T1
29
Flexor pollicis longus
Thumb flexion Median C8, T1
30
Infraspinatus
HABD, adduction, ER Suprascapular C5, 6
31
Lats
Ext, Add, IR Scapula depression and protraction Thoracodorsal C6-8
32
Lev scap
Elevation, DR C3, 4 nerve roots Dorsal Scapular C3, 4
33
LH biceps (if arm ER first)
Abduction Musculocutaneous C5. 6, 7
34
Lumbricals
Finger flexion 1-2 median, 3-4 ulnar C8-T1
35
Opponens digiti minimi
Oppose 5th finger Ulnar C8, T1
36
Opponens pollicis
Oppose thumb Median C8, T1
37
Palmar Interossei
PAD Finger flexion, adduction Ulnar C8, T1
38
Pec major
HADD, add, IR, scap depression, protraction Lateral pectoral nerve C5, 6
39
Pec major (clav fibers)
Forward flexion Lateral pectoral nerve C5, 6
40
Pec major (stern fibers)
Extension Lat/Med Pectoral nerve C5, 6/C8, T1
41
Pec minor
DAD - depression, protraction (abduction), DR Medial pectoral nerve C8, T1
42
Pronator quadratus
Pronation Median C8, T1
43
Pronator teres
Pronation, elbow flexion Median C6, 7
44
Rhomb major/minor
Adduction, elevation, DR Dorsal scapular C4, 5
45
Serratus
Depression, protraction, UR Long thoracic C5, 6, 7
46
Subscapularis
Abduction, adduction Subscapular n. C5, 6
47
Subscapularis (when arm at side)
IR Subscapular n. C5, 6
48
Supinator
Supination Radial C5, 6
49
Supraspinatus
Abduction Suprascapular C5, 6
50
Teres major
Ext, add, IR Subscapular C5, 6
51
Teres minor
Add, ER Ext, HABD Axillary C5, 6
52
Trapezius
Retraction, elevation, depression, UR | Spinal accessory n., C3, 4 nerve roots
53
Triceps
Elbow extension Radial C6, 7, 8
54
Triceps (LH)
Extension Radial C5-T1