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PHYS grad > wrist hand SOL > Flashcards

wrist hand SOL Flashcards

1
Q

Muscles that flex the wrist (3)

A

Flexor carpi radialis
Flexor carpi ulnaris
Palmaris longus

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2
Q

Muscles that extend the wrist (3)

A

Extensor carpi radialis longus (ECRL)
Extensor carpi radialis brevis (ECRB)
Extensor carpi ulnaris

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3
Q

Muscles that radial deviate the wrist (3)

A

Flexor Carpi Radialis. (FCR)
Extensor Carpi Radialis Longus.
Extensor Carpi Radialis Brevis.

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4
Q

Muscles that ulnar deviate the wrist (2)

A

Flexor Carpi Ulnaris.
Extensor Carpi Ulnaris.

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5
Q

Carpal bones in the proximal row (radial to ulnar side)

A

Scaphoid, lunate, triquetrum, pisiform

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6
Q

Carpal bones in the Distal row (radial to ulnar side)

A

Trapezium, trapezoid, capitate, hamate

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7
Q

Another name for wrist joint

A

radio-carpal joint

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8
Q

what type of joint is radio-carpal joint

A

Condyloid synovial joint (modified ball and socket joint)

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9
Q

Articular surfaces of wrist joint

A

distal radius, scaphoid, lunate, triquetrum, articular disk

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10
Q

mvmt available at the wrist joint and the planes

A

flexion, extension (sagittal)
ABD/radial, ADD/ulnar deviation (frontal plane)

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11
Q

where are the radial styloid process

A

lateral surface of distal radius

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12
Q

where are the ulnar styloid process

A

medial surface of distal ulna (bony projection)

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13
Q

Location of radial collateral ligament RCL. Function

A

radial styloid process to scaphoid

prevent excessive ulnar deviation

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14
Q

Location of Ulnar collateral ligament UCL. Function

A

From ulnar styloid process to triquetrum

prevent excessive radial deviation

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15
Q

types of grip (2)

A

power and precision grips

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16
Q

Types of Power grips (3)

A

cylinder, ball, hook

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17
Q

Types of precision Grips (4)

A

plate, pincer, pinch, key

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18
Q

Origin of flexor carpi radialis (FCR)

A

medial epicondyle of humerus

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19
Q

Insertion of flexor carpi radialis (FCR)

A

base of 2nd and 3rd metacarpal bone

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20
Q

Innervation of flexor carpi radialis (FCR)

A

Medial N (C6,7)

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21
Q

Action of flexor carpi radialis (FCR)

A

wrist flexion
Radial deviation (ABD)

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22
Q

Origin of flexor carpi ulnaris (FCU)

A

medial epicondyle of humerus
olecranon and post border of ulna

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23
Q

Insertion of flexor carpi ulnaris (FCU)

A

Base of pisiform bone, hamate, base of 5th metacarpal

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24
Q

Innervation of flexor carpi ulnaris (FCU)

A

Ulnar N (C7,8, T1)

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25
Q

Action of of flexor carpi ulnaris (FCU)

A

Wrist flexion, ulnar deviation (ADD)

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26
Q

Origin of Extensor Carpi Radialis Longus (ECRL)

A

ant lower 3rd of the lateral supracondylar ridge of humerus

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27
Q

Insertion of Extensor Carpi Radialis Longus (ECRL)

A

Dorsal surface of base of 2nd metacarpal bone

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28
Q

Innervation of Extensor Carpi Radialis Longus (ECRL)

A

Radial N (C6-7)

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29
Q

Action of Extensor Carpi Radialis Longus (ECRL)

A

with ECRB do wrist extension and radial deviation (ABD) - most effective when elbow is extended

fist clenching

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30
Q

Wrist flexion/extension Active ROM

A

75, 70

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31
Q

Wrist radial and ulnar deviation Active ROM

A

20, 30

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32
Q

Wrist pronation/supination Active ROM

A

80-90 both

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33
Q

End feel for wrist
flexion/extension

A

firm, firm/hard

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34
Q

End feel for radial/ulnar deviation

A

firm/hard, firm

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35
Q

End feel for pronation/supination

A

firm both

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36
Q

Muscles that flex fingers 2-5 (2)

A

flexor digitorum profundus
flexor digitorum superficialis

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37
Q

Muscles that extend the fingers 2-5 (3)

A

Extensor indicis (index finger)​
Extensor digiti minimi (little finger)​
Extensor digitorum (digits 2-5)​

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38
Q

Muscles that act on thumb (4)

A

ABDuctor pollicis longus
Extensor pollicis brevis​
Extensor pollicis longus​
Flexor pollicis longus​

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39
Q

muscles make up the thenar eminence? (3)

A

Flexor pollicis brevis

ABDuctor pollicis brevis

Opponens polllicis

40
Q

muscles make up the hypothenar eminence?​ (4)

A

Lumbricals​

Opponens digiti minimi​

Flexor digiti minimi brevis​

ABDuctor digiti minimi

41
Q

Origin of Extensor Carpi Radialis Brevis (ECRB)

A

common extensor tendon at the lateral epicondyle of humerus

42
Q

Insertion of Extensor Carpi Radialis Brevis (ECRB)

A

Dorsal surface of the base of 3rd metacarpal

43
Q

Innervation of Extensor Carpi Radialis Brevis (ECRB)

A

Radial N/post interosseous N (C7-8)

44
Q

Action of Extensor Carpi Radialis Brevis (ECRB)

A

Wrist extension
Radial deviation (ABD)

45
Q

Origin of Extensor carpi ulnaris (ECU)

A

common extensor tendon on the lateral epicondyle of humerus and post aspect of ulna

46
Q

Insertion of Extensor carpi ulnaris (ECU)

A

Dorsal side, base of 5th metacarpal

47
Q

Innervation of Extensor carpi ulnaris (ECU)

A

post interosseous N (C7,8)

48
Q

Action of Extensor carpi ulnaris (ECU)

A

wrist extension
ADD = ulnar deviation

49
Q

Origin of Palmaris Longus

A

Common flexor tendon on the medial epicondyle of humerus

50
Q

Insertion of Palmaris Longus

A

flexor retinaculum, palmar aponeurosis

51
Q

Innervation of Palmaris Longus

A

Median N (C7, 8)

52
Q

Action of Palmaris Longus

A

wrist flexion, tenses palmar aponeurosis

53
Q

What type of joints are b//w the carpal bones (intercarpal joints)? what mvmt?

A

synovial plane joints - gliding mvmt

54
Q

Where is flexor retinaculum? Attachments?

A

At the volar/palm aspect of the hand, near the wrist.

From pisiform and hamate to scaphoid and trapezium

55
Q

Function of flexor retinaculum (3)

A

Forms the roof of the carpal tunnel

serve as a pulley for the carpal flexor muscles.

Stabilize the carpal bones

56
Q

Where is palmar aponeurosis

A

On the palmar side of the hand. Extends distally from flexor retinaculum and divides into 4 slips, one to each finger (2-5)

57
Q

Function of palmar aponeurosis (3)

A

Give firm attachment to the skin of palm to improve grip

Serves as attachment point to the tendon of the muscles

protects underlying tendons vessels, nerves

58
Q

What type of synovial joint is the 1st carpometacarpal joint? Mvmt?

A

Saddle joint. FLEX/EXT, ABD/ADD

59
Q

What type of synovial joint is the metacarpal joint? Mvmt?

A

condyloid joint. flex/ext, ABd/ADD, circumduction

60
Q

What type of synovial joint is the interphalangeal joint? Mvmt?

A

hinge, flex/ext

61
Q

Origin of flexor digitorum superficialis (FDS) 2 heads

A

Humeroulnar head: common flexor origin = medial epicondyle and coronoid process

Radial head: ant oblique line of shaft of radius

62
Q

Insertion of flexor digitorum superficialis (FDS)

A

base of Proximal phalanges of digits 2-5, palmar side

63
Q

Innervation of Flexor digitorum superficialis

A

Median N (C7-8, T1)

64
Q

Action of Flexor digitorum superficialis

A

Flexion of PIP joints of digits 2-5

Assist MCP flexion
Assist wrist flexion

65
Q

Origin of Flexor Digitorum profundus (FDP)

A

Upper 3/4 ant and medial surface of shaft of ulna, adjacent interosseous membrane

66
Q

Insertion of Flexor Digitorum Profundus (FDP)

A

Deep to FDS. Palmar surface of base of DIP of digits 2-5

67
Q

Innervation of Flexor Digitorum Profundus (FDP) medial and lateral half

A

medial: ulnar N.
Lateral: ant interosseous N (C8-T1)

68
Q

Action of Flexor Digitorum Profundus (FDP)

A

gripping of the hand, act best when wrist is extended.

Flexion of the fingers 2-5 at DIP and all joints. Assist wrist flexion

69
Q

Origin of Extensor digitorum Communis - superficial

A

Common extensor origin on lateral epicondyle of humerus

70
Q

Insertion of Extensor digitorum Communis

A

Extensor expansion of Digit 2-5

71
Q

Innervation of Extensor digitorum Communis

A

Post interosseous N (C7-8)

72
Q

Action of Extensor digitorum Communis

A

Extension of digits 2-5 at MCP, PIP, DIP
Assist wrist extension

73
Q

Origin of Extensor Indicis - Deep

A

Post surface of distal ulnar

74
Q

Insertion of Extensor Indicis

A

Base of 2nd proximal phalange and tendon of extensor digitorum

75
Q

Innervation of Extensor Indicis

A

Post interosseous N (C7-8)

76
Q

Action of Extensor Indicis

A

Extension of index finger
assist wrist extension
work with extensor digitorum (communis)

77
Q

Origin of Extensor Digiti Minimi

A

Common extensor origin on lateral epicondyle

78
Q

Insertion of Extensor Indicis

A

Extensor expansion of digit 5
or
base of PIP of digit 5 on the dorsal side

79
Q

Innervation of Extensor Indicis

A

Post interosseous N (C7-8)

80
Q

Action of Extensor Indicis

A

Extension of the 2th digit
work with extensor digitorum (communis)

81
Q

Origin of Flexor Pollicis Longus (FPL)

A

Middle half of ant radius and adjacent interosseous membrane

82
Q

Insertion of Flexor Pollicis Longus (FPL)

A

Base of distal phalanx of the thumb

83
Q

Innervation of Flexor Pollicis Longus (FPL)

A

Ant interosseous N (C7,8) from median N

84
Q

Action of Flexor Pollicis Longus (FPL)

A

Flexion of the thumb via MCP, PIP, DIP.
Assist wrist flexion

85
Q

Origin of Extensor pollicis longus (EPL)

A

Mid 3rd of ulna and adjacent interosseous membrane

86
Q

Insertion of Extensor pollicis longus (EPL)

A

Distal phalanx of thumb via Lister’s tubercle

87
Q

Innervation of Extensor pollicis longus (EPL)

A

Post interosseous N (C7,8)

88
Q

Action of Extensor pollicis longus (EPL)

A

Thumb extension via MCP, PIP, DIP
Assist wrist extension

89
Q

Origin of Extensor pollicis Brevis (EPB)

A

Lower 3rd of post radius and interosseous membrane

90
Q

Insertion of Extensor pollicis Brevis (EPB)

A

Base of proximal phalanx of thumb

91
Q

Innervation of Extensor pollicis Brevis (EPB)

A

Post interosseous N (C7,8)

92
Q

Action of Extensor pollicis Brevis (EPB)

A

Thumb ext at MCP, CMC
Mild thumb ABD

93
Q

Origin of ABDuctor pollicis longus (APL)

A

Post surface of proximal 1/2 of ulna, interosseous membrane and radius. Covered by extensor digitorum longus

94
Q

Insertio of ABDuctor pollicis longus (APL)

A

trapezium, base of 1st metacarpal bone

95
Q

Innervation of ABDuctor pollicis longus (APL)

A

Post interosseous N (C7,8)

96
Q

Action of ABDuctor pollicis longus (APL)

A

ABD thumb
Ext 1st CMC joint
Assist radial deviation and wrist extension

PHYS grad (15 decks)

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