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MSK > Wrist and Hand > Flashcards

Wrist and Hand Flashcards

1
Q

Flexor carpi radialis

A

O: medial epicondyle of humerus
I: base of MC II + III
INN: median (C6-7)
A: wrist Fx, ABD

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2
Q

Palmaris longus

A

O: medial epicondyle of humerus
I: flexor retinaculum and palmar aponeurosis
INN: median (C6-7)
A: weak wrist flexor

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3
Q

Flexor carpi ulnaris

A

O: medial epicondyle of humerus, proximal 2/3 ulna
I: pisiform, hamate, base of MC V
INN: ulnar (C8-T1)
A: wrist Fx, ADD

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4
Q

Flexor digitorum superficialis

A

O: medial epicondyle of humerus, middle 1/3 radius
I: mid phalanges 2-5
INN: median (C6-7)
A: wrist, MP/PIP 2-5 Fx

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5
Q

Flexor digitorum profundus

A

O: anteromedial ulna, interosseous membrane
I: distal phalanges 2-5
INN: lateral - median (C6-8), medial - ulnar (C8)
A: wrist, MP/PIP/DIP 2-5 Fx

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6
Q

Flexor pollicis longus

A

O: anterior radius, interosseous membrane
I: distal phalanx 1
INN: median (C6-7)
A: MP/IP 1 Fx, weak wrist Fx

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7
Q

Extensor carpi radialis longus

A

O: lateral supracondylar ridge and lateral epicondyle of humerus
I: dorsal base of MC II
INN: radial (C6-7)
A: wrist Ex, ABD

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8
Q

Extensor carpi radialis brevis

A

O: lateral epicondyle of humerus
I: dorsal surface of MC III
INN: radial (C7-8)
A: wrist Ex, ABD

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9
Q

Extensor digitorum

A

O: lateral epicondyle of humerus
I: distal and middle phalanges 2-5
INN: radial (C6-8)
A: wrist, MP/PIP/DIP 2-5 Ex

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10
Q

Extensor digiti minimi

A

O: lateral epicondyle of humerus
I: proximal phalanx 5
INN: radial (C6-8)
A: wrist, MP/PIP 5 Fx

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11
Q

Abductor pollicis longus

A

O: proximal radius and ulna, interosseous membrane
I: lateral edge of MC I
INN: radial (C6-8)
A: thumb ABD, wrist Ex

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12
Q

Extensor carpi ulnaris

A

O: lateral epicondyle of humerus
I: base of MC V
INN: deep radial (C7-8)
A: wrist Ex, ADD

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13
Q

Extensor pollicis brevis

A

O: pos. radius, interosseous membrane
I: proximal phalanx 1
INN: deep radial (C7-8)
A: MP 1 Ex, weak wrist Ex

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14
Q

Extensor pollicis longus

A

O: pos. ulna, interosseous membrane
I: distal phalanx 1
INN: deep radial (C7-8)
A: MP/IP 1 Ex, weak wrist Ex

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15
Q

Extensor indicis

A

O: pos. ulna, interosseous membrane
I: tendon of extensor digitorum
INN: deep radial (C7-8)
A: MP/PIP/DIP 2 Ex, weak wrist Ex

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16
Q

Abductor pollicis brevis

A

O: flexor retinaculum, scaphoid, trapezium
I: lateral proximal phalanx 1
INN: median (C8-T1)
A: thumb ABD

17
Q

Flexor pollicis brevis

A

O: flexor retinaculum, trapezium
I: proximal phalanx 1
INN: median (C8-T1)
A: thumb Fx

18
Q

Opponens pollicis

A

O: flexor retinaculum, trapezium
I: lateral MC I
INN: median (C8-T1)
A: thumb opposition

19
Q

Abductor digiti minimi

A

O: pisiform, FCU tendon
I: proximal phalanx 5
INN: ulnar (C8-T1)
A: digit 5 ABD

20
Q

Flexor digiti minimi

A

O: hamate, flexor retinaculum
I: proximal phalanx 5
INN: ulnar (C8-T1)
A: digit 5 Fx

21
Q

Opponens digiti minimi

A

O: hamate, flexor retinaculum
I: MC V
INN: ulnar (C8-T1)
A: digit 5 opposition

22
Q

Palmaris brevis

A

O: palmar aponeurosis, flexor retinaculum
I: dermis
INN: ulnar (C8-T1)
A: improves grip

23
Q

Adductor pollicis

A

O: MC II + III, capitate,
I: base of proximal phalanx 1 and ext. hood
INN: ulnar (C8-T1)
A: thumb ADD

24
Q

Palmar interossei

A

O: metacarpal
I: extensor expansion
INN: ulnar (C8-T1)
A: digit 2-5 ADD, MP 2-5 Fx, PIP/DIP 2-5 Ex

25
Q

Dorsal interossei

A

O: adjacent metacarpals
I: extensor expansion
INN: ulnar (C8-T1)
A: digit 2-5 ABD, MP 2-5 Fx, PIP/DIP 2-5 Ex

26
Q

Lumbricales

A

O: tendons of FDP
I: radial side of extensor expansion
INN: ulnar (C8-T1)
A: MP 2-5 Fx, PIP/DIP 2-5 Ex

MSK (11 decks)

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