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M&M Test 1 > B6-004 Forearm and Hand > Flashcards

B6-004 Forearm and Hand Flashcards

1
Q

boundaries of the cubital fossa [5]

A

-pronator teres
-line between medial and lateral epicondyles
-brachioradialis
-brachialis
-supinator

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2
Q

vein used for blood draws in lab

A

median cubital

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3
Q

biceps attaches to […] of radius

A

radial tuberoscity

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4
Q

the bicipital aponeurosis protects what two structures?

A

brachial artery
median nerve

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5
Q

at the cubital fossa, the brachial artery branches into […] and […]

A

ulnar a.
radial a.

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6
Q

at the cubital fossa, radial nerve will branch into

A

deep branch-supinator
superficial branch- dorsum of hand

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7
Q

nerve that runs behind the medial epicondyle

A

ulnar

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8
Q

the tendon of the flexor digitorum superficialis inserts onto the […]

A

middle phalynx

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9
Q

the flexor digitorum superficialis flexes the […] IP joint

A

proximal

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10
Q

what three muscles run through the flexor retinaculum?

A

flexor digitorum profundus
flexor pollicis longus
flexor digitorum superficialis

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11
Q

which compartment of the forearm contains flexors and pronators?

A

anterior

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12
Q

as the radial artery runs lateral to the wrist, it lies next to […] where you would take a radial pulse

A

flexor carpi radialis tendon

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13
Q

the ulnar artery branches into the […] which supplies the posterior compartment of the arm

A

posterior interosseus artery

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14
Q

the ulnar artery branches into the […] which supplies the anterior compartment of the arm

A

anterior interosseus artery

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15
Q

the flexor carpi radialis, flexor carpi ulnaris, and pronator teres all attach at the […] of the humerus

A

medial epicondyle

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16
Q

what branch of the radial nerve does sensory to the dorsum of the hand?

A

superficial

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17
Q

what branch of the radial nerve enters the supinator muscle?

A

deep branch

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18
Q

innervates the deep anterior compartment of the forearm

**flexor digitorum profundus, flexor pollicis longus, pronator quadratus

A

anterior interosseous branch of the median nerve

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19
Q

supplies sensation to the majority of the palm

A

palmar branch of the median nerve

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20
Q

why don’t you lose palmar sensation in carpal tunnel syndrome?

A

palmar branches of the median nerve lies anterior to the flexor retinaculum

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21
Q

where can the ulnar nerve become entrapped causing cubital tunnel?

A

flexor carpi ulnaris

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22
Q

supplies sensation to the dorsum of the medial hand

A

dorsal branch of ulnar nerve

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23
Q

the posterior compartment is generally attached to the […] epicondyle, except for […]

A

lateral epicondyle
extensor carpi radialis

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24
Q

where does extensor carpi radialis attach?

A

suprachondylar area

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25
Q

extensors and supinators lie in which compartment?

A

posterior

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26
Q

lateral epicondylitis is caused by repetitive use of […] muscles

A

extensor

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27
Q

pain over lateral epicondyle that radiates down posterior surface of the arm

A

lateral epicondylitis

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28
Q

pain is felt with opening doors or lifting a glass

A

lateral epicondylitis

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29
Q

medial epicondylitis is caused by repetitive use of the […] muscles

A

flexors

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30
Q

activity associated with medial epicondylitis

A

pitching

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31
Q

activity associated with lateral epicondylitis

A

tennis

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32
Q

pain over medial epicondyle that radiates down the anterior surface of the arm

A

medial epicondylitis

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33
Q

pain is felt when flexing the wrist or squeezing a ball

A

medial epicondylitis

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34
Q

avulsion of extensor digitorum tendon

A

mallet/baseball finger

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35
Q

individual cannot extend distal IP joint

A

mallet/baseball finger

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36
Q

pain and tenderness in proximal aspect of anterior forearm and abnormal sensation in the palm

A

pronator syndrome

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37
Q

cubital tunnel syndrome is the entrapment of ulnar nerve by [….]

A

flexor carpi ulnaris

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38
Q

pain and tenderness in the medial forearm and little finger, and abnormal palm sensation

A

cubital tunnel

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39
Q

proximal row of carpals (L to M)

A

scaphoid
lunate
triquetrum
pisiform

So Long To Pinky

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40
Q

distal row of carpals (M to L)

A

hamate
capitate
trapezoid
trapezium

Here Comes The Thumb

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41
Q

sesamoid bone that develops in the tendon of the flexor carpi ulnaris

A

pisiform

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42
Q

bones of the radio-carpal joint

A

scaphoid
lunate
triquetrum
radius

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43
Q

palmar aponeurosis helps with […]

A

grip

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44
Q

palmaris longus attaches distally to

A

palmar aponeurosis

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45
Q

if there was a puncture would to the 5th digit synovial sheath, where could the infection spread?

A

thumb, hand
even through carpal tunnel and up forearm

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46
Q

if there was a puncture wound to the 3rd digit synovial sheath, where could the infection spread?

A

nowhere, stays local

**2,3,4 have individual sheaths

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47
Q

caused by disparity in size of the flexor tendons vs the retinacular pulley system

A

trigger finger (stenosing flexor tenosynovitis)

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48
Q

progressive fibrosis of the palmar fascia

A

dupuytren’s contracture

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49
Q

muscles of the thenar eminence [4]

A

opponens pollicis
abductor pollicis brevis
flexor pollicis brevis
adductor pollicis

OAAF

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50
Q

the thenar eminence is innervated by [2]

A

recurrent branch of the median

**deep FPB and adductor pollicis are innervated by deep branch of ulnar

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51
Q

what muscles of the thenar eminence are innervated by the deep branch of the ulnar nerve?

A

flexor pollicis brevis
adductor pollicis

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52
Q

the muscles of the hypothenar eminence [3]

A

opponens digiti
abductor digiti minimi
flexor digit minimi

OAF

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53
Q

the hypothenar eminence is innervated by

A

deep branch of ulnar nerve

54
Q

the 1st and 2nd lumbrical are innervated by

55
Q

the 3rd and 4th lumbricals are innervated by

A

deep branch of ulnar

56
Q

the palmar and dorsal interossei are innervated by

A

deep branch of ulnar

57
Q

lumbricals are attached to the […]

A

flexor digitorum profundus

58
Q

[…] interossei abduct

A

dorsal

**Dorsal ABduct (DAB)

59
Q

[…] interossei adduct

A

palmar

*Palmar ADuct (PAD)

60
Q

the ulnar a. terminates as […]

A

superficial palmar arch

61
Q

the superficial palmar arch of the ulna artery extend to the […] crease of your hand

62
Q

where should you do a finger stick?

A

the side of digit. that’s where proper palmar digital arteries lie

63
Q

the radial artery goes […] to the thumb

64
Q

what artery runs in the anatomical snuff box?

A

radial

**radial goes behind the thumb

65
Q

the radial a. terminates as

A

deep palmar arch

66
Q

princeps pollici and radial indicis are branches of the […] artery

67
Q

ulnar artery + superficial branch from radial gives you

A

superficial palmar arch

68
Q

radial a. + deep branch of ulnar a. gives you

A

deep palmar arch

69
Q

provides motor innervation to the intrinsic muscles of hand

A

deep branch of ulnar

70
Q

cutaneous sensation to the medial hand on both palmar and dorsal side, half of digit 4 and all of digit 5

71
Q

cutaneous sensation to the anterior lateral hand and to digits 1-4.5 and nail beds

72
Q

cutaneous sensation to lateral-dorsal aspect of:
-hand
-thumb
-proximal portion of digits 1-4.5

A

superficial branch of radial nerve

73
Q

what muscles are involved in extension of thumb [3]

A

extensor pollicis brevis
extensor pollicis longus
abductor pollicis longus

74
Q

what muscles are involved in flexion of thumb [2]

A

flexor pollicis brevis
flexor pollicis longus

75
Q

what muscles are involved in abduction of thumb [2]

A

abductor pollicis longus
abductor pollicis brevis

76
Q

what muscle is involved in adduction of thumb

A

adductor pollicis

77
Q

what muscle is involved in opposition of thumb

A

opponens pollicis

78
Q

lumbricals and interossei insert into

A

extensor “hood” (dorsal)

**comes off extensor digitorum

79
Q

lumbricals and interossei […] the MCP and […] the DIP/PIPs

A

flex MCP
extend DIP/PIP

80
Q

mallet finger rips the […]

A

extensor hood

**comes off extensor digitorum

81
Q

disruption of the terminal slip of the extensor tendon at the DIP joint

A

mallet finger

82
Q

mallet finger is caused by […] of the finger

A

hyperflexion

83
Q

rupture of the flexor digitorum profundus at the attachment on distal phalanx

A

jersey finger

84
Q

jersey finger is caused by […] of the finger

A

hyperextension

85
Q

muscles going through carpal tunnel

A

flexor digitorum superficialis
flexor digitorum profundus
flexor pollicis longus

86
Q

long standing carpal tunnel will result in atrophy of the […]

A

thenar eminence

87
Q

guyon’s canal is made up of […] and […] bones

A

hamate and pisiform

88
Q

what neurovascular structures pass through Guyon’s canal?

A

ulnar a.
ulnar n.

89
Q

Guyon’s canal only affects the […] portion of the hand

A

anterior

**palmar and dorsum spared

90
Q

provides sensory to fifth digit and half of 4th

A

superficial terminal branch of ulnar n.

91
Q

boundaries of anatomical snuffbox [3]

A

extensor pollicis longus
extensor pollicis brevis
abductor pollicis longus

92
Q

contents of anatomical snuffbox [5]

A

radial styloid
scaphoid
trapezium
base of first metacarpal
radial artery

93
Q

you can check for point tenderness of scaphoid fracture by pressing on the

A

anatomical snuffbox

94
Q

inflammation of abductor pollicis longus and extensor pollicis brevis cause […]

A

De Quervain Tenosynovitis

95
Q

pain with thumb extension (grabbing groceries, carrying child carseat)

A

De Quervain Tenosynovitis

96
Q

how to test for De Quervain Tenosynovitis?

A

pain illicited when pressing the thumb down and flexing

97
Q

most common fracture of carpals

98
Q

why is the scaphoid at risk of necrosis when fractured?

A

it gets a retrograde blood supply from the radial a.

99
Q

point tenderness in the anatomical snuffbox suggests a fracture in

100
Q

can cause loss of thumb opposition

A

carpal tunnel

101
Q

weakness or inability to flex or oppose the thumb indicates damage to

102
Q

decreased strength during extension of the thumb indicates damage to

A

radial nerve

103
Q

atrophy of dorsal interosseus muscles indicates damage to

A

ulnar nerve

104
Q

loss of sensation to the skin covering the medial aspect of hand indicates damage to the

A

ulnar nerve

105
Q

the ulnar artery originates in the

A

cubital fossa

106
Q

the ulnar artery branches from the

107
Q

what artery is highly subject to compression in anterior compartment syndrome of the forearm?

108
Q

the posterior interosseus v. continues into the deep branch of the radial v. and enters the […] compartment

109
Q

nerve that is just medial to the brachial artery

110
Q

the synovial sheaths of digits […] do not communicate with other synovial sheaths

111
Q

provides supination and flexion of the forearm

A

biceps brachii

112
Q

label A-F

A

a. capitulum of humerus
b. radial tuberoscity
C. trochlea of humerus
D. olecranon
E. medial epicondyle
F. head of radius

113
Q

site of origin for the common flexor tendons and pronator teres

A

medial epicondyle

114
Q

where triceps brachii attach distally

115
Q

damage to the […] nerve will result in loss of wrist extension

116
Q

weakness in pronation may be caused by damage to the

A

median or anterior interosseus

117
Q

sensory loss over the ventral aspect of the thumb would result from damage to the […] nerve

118
Q

inability to oppose thumb results from damage to the […] nerve

119
Q

inability to abduct fingers results from damage to the

120
Q

artery that supplies the posterior compartment of the forearm

A

posterior interosseus

121
Q

brachial artery branches into [..] and […] at cubital fossa

A

radial and ulnar

122
Q

the radial and ulnar arteries are located in the […] compartment and terminate in the hand

123
Q

the deep artery of the arm is located in the […] compartment and travels with […]

A

posterior
radial nerve

124
Q

loss of sensation over medial hand and entire 5th digit is due to damage in

A

ulnar nerve

125
Q

loss of finger abduction and adduction is due to damage in the

A

ulnar nerve

126
Q

weakness of flexion in the distal IP joint of the index would be due to damage to the

A

lateral part of flexor digitorum profundus

127
Q

lateral part of flexor digitorum profundus is innervated by

A

anterior interosseus

128
Q

weakness of pronation results from damage to the

A

median nerve

129
Q

weakness of wrist abduction results from damage to [2 nerves]

A

radial nerve- ECRL or ECRB
or median nerve- FCR

130
Q

weakness of wrist […] is caused by damage to the radial nerve

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