Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

clin kines 2 > hand > Flashcards

hand Flashcards

1
Q

___ musc, ___ bones, ___ articulations of the hand

A

29
19
19

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

wrist/carpus = ___ carpal bones

A

8

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

T/F: metacarpal = metacarpus

A

F: all 5 metacarpals together

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

CMC joint consists of

A

Prox end of metacarpals and distal row of carpal bones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

MCP joint consists of

A

Metacarpals and prox phalanges

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

T/F: MCP = convex in frontal plane only

A

F: frontal and sagittal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What do the palmar plates prevent?

A

Hyperext

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are the 2 interphalangeal joints?

A

PIP and DIP

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

T/F: thumb= 3 phalanges and 1 intercarpal joint

A

F: 2 phalanges

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Palmar side of wrist contains ___ & ___ wrist creases

A

Prox and distal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

T/F: the distal wrist crease marks loc of the prox margin of the transverse carpal lig

A

T

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

T/F: digit #4= shortest and stoutest

A

F: #1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

T/F: digit #2= longest and each= shorter than previous

A

T

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Palmar surface of shaft of metacarpal = convex/concave longitudinally

A

Concave

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Distal end of each metacarpal = ___ head

A

Convex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

T/F: metacarpal neck = common site of fracture (esp #5)

A

T

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

T/F: the thumb metacarpal= similar plane as digits #2-5

A

F: thumb= different plane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

The thumb= rotated 90 deg __

A

Medially

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

T/F: thumb dorsal surface face of bones= laterally, palmar= medially, radial= ant, ulnar= post

A

T

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Prox and middle phalanges = ___ base and ___head

A

Concave
Convex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Distal phalanx = ___ base

A

Concave

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

What static, rigid arch forms the carpal tunnel?

A

Prox transverse arch
(formed by distal row carpal)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

T/F: lunate = keystone of prox transverse arch

A

F: capitate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

What mobile arch passes through the MCP joints?

A

Distal transverse arch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

T/F: metacarpals #1,4,5 fold around more stable #2,3

A

T

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

What is the keystone of the distal transverse arch?

A

MCP joints of central metacarpals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

What arch follows the general shape of digits #2&3 (/rays)

A

Longitudinal arch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Prox end of longitudinal arch= attached to ___, distal end?

A

CMC
Mobile

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

What is the keystone of longitudinal arch?

A

2&3 MCP joints

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

T/F: digits 2&3 = keystone for proximal and longitudinal arches

A

F: longitudinal and distal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

T/F: planes of motion of thumb = oppo fingers

A

T

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

CMC joint = ___ region of hand

A

Prox

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

T/F: 4&5 CMC joints = rigid –> fixed central pilar

A

F: 2&3
(4&5 = mobile, fold around pilar)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

CMC joint shape = __ metacarpal on ___ hamate

A

Convex
Concave

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

Radial central metacarpals provide form attachment points for which musc?

A

Extensor carpi radialis longus
Extensor carpi radialis brevis
Flexor carpi radialis
ADD pollicis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

What joint improves effectiveness of grasp

A

CMC

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

T/F: CMC of thumb = saddle

A

T

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

Radial collateral and post oblique lig= enhances ___

A

Proprioception, joint protection, NM control of opposition

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

T/F: post oblique lig = most ruptured

A

F: ant

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

Most lig of CMC = taut w/ thumb in _______

A

Ext
ABD
Opposition

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

T/F: common dislocation thumb = radially

A

T

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

Saddle joint trapezium POV

A

Concave P-D
Convex M-L

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

T/F: AoR for CMC joint in all planes of motion = concave part of articulation

A

F: convex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

Max ABD thumb = __ deg ant to plane of palm

A

45

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

ABD thumb = ___thumb moving on___ trapezium

A

Convex
Concave

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

Full ABD of CMC joint elongates most lig of joint and what musc

A

ADD pollicis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

ABD CMC thumb stretches what lig and activates what musc?

A

Post oblique lig
Opponens pollicis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

T/F: forces fr both activated musc and stretched lig= imp in promoting maximal congruity and stability of CMC joint once in full opposition

A

T

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

During CMC thumb flex, rotates ___, ext?

A

Medially
Laterally

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

Flex thumb = __ metacarpal surface on ___ trapezium

A

Concave
Convex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q

What are the 2 phases of opposition?

A

1: thumb metacarpal ABD

2: ABD metacarpal flexes and medially rotates across palm –> fingers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
52
Q

Full opposition includes __ deg of medial rotation @ thumb

A

45-60

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
53
Q

T/F: MCP formed between concave metacarpal heads and convex prox surface of prox phalanges

A

F: convex met heads, concave prox phalanges

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
54
Q

Collateral lig of MCP attaches on/near post tubercle of met head. What are the 2 distinct parts?

A

Dorsal cord

Accessory

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
55
Q

T/F: dorsal cord= thinner, accessory= thicker

A

F: dorsal= thick
Accessory= thin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
56
Q

Dorsal cord attaches distally to ___ region of prox end of phalanges

A

Palmar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
57
Q

Accessory part attaches distally along edge of ___ plate

A

Palmar

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
58
Q

What is 1’ func of palmar/volar plates?

A

Strengthen structures of MCP joints and limit extremes of ext

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
59
Q

Concave components of MCP include:

A

Arctic surface prox phalanx
Collateral lig MCP
Dorsal surface of palmar plate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
60
Q

Overall ranges of flex/ext MCP gradually inc from __ to __ digit?

A

Digit #2 –> #5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
61
Q

Digit #2 flex ___, #5?

A

90 deg
110-115 deg

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
62
Q

MCP ext passively beyond neutral for a range of = ___

A

30-45 deg

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
63
Q

T/F: ABD and ADD @ MCP occur @ about 20 deg on both sides

A

T

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
64
Q

Arthrokin MCP = ___ arctic surface of phalanx on ___ met head

A

Concave
Convex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
65
Q

What part of collateral lig = isometric in length throughout flexion and extension

A

Accessory

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
66
Q

T/F: most of cord of collateral lig= slacken in 0 deg ext

A

T

67
Q

ABD and ADD of MCP fingers= sig less when motions performed in full ___ than full ___

A

Flexion
Extension

68
Q

MCP fingers: most of cord of collateral lig= taut in near full ___

A

Flexion

69
Q

MCP joint of thumb concave vs convex:

A

Convex met head
Concave prox surface of prox phalanx

70
Q

T/F: active and passive motion @ MCP thumb= sig less than fingers

A

T

71
Q

Fr full ext, (thumb MCP) prox phalanx thumb can actively flex ___ deg across palm toward middle finger

A

60

72
Q

T/F: thumb MCP can do flex/ext and ABD/ADD

A

F: flex/ext ONLY
ABD/ADD = limited (accessory mvt)

73
Q

T/F: skier’s injury (leg external ABD torque @ MCP) injures radial collateral lig

A

F: ulnar

74
Q

What is the rupture point for ulnar collateral lig?

A

45 deg ABD

(most vulnerable to rupture when ABD torque = applied 1/ MCP flexed @ 30 deg)

75
Q

Head of prox phalanx= ___ rounded condyles separated by shallow central groove

A

2 (convex)

76
Q

T/F: DIP= surrounded by radial and ulnar collateral lig

A

F: PIP

77
Q

PIP, cord of collateral lig limits ___, accessory?

A

ABD and ADD
Blends w/ and reinforces palmar/volar plate

78
Q

What is the primary structure that limits hyperextension of PIP joint?

A

Palmar plate

79
Q

T/F: palmar surface of plates= attachment for base of fibrous digital sheath (houses tendon extrinsic finger flex)

A

T

80
Q

What is the check-rein lig?

A

Prox-lat region of each palmar plate @PIP thicken longitudinally form fibrous tissue which reinforce prox attachment of plate and assist in limiting hypertext joint

81
Q

T/F: PIP and DIP both have check-rein lig

A

F: only PIP

82
Q

T/F: flexion @PIP and DIP= greater in radial digits

A

F: ulnar

83
Q

When immobilized, PIP and DIP= positioned in near ext why?

A

Pos= stretch palmar plates, reducing likelihood of flexion contracture

84
Q

Thumb allows active flexion of ___ deg, IP joint thumb= passively ext beyond neutral to about ___ deg

A

70
20

85
Q

What is tabes dorsalis?

A

Condition affects sensory/afferent tracts w/in spinal cord

86
Q

What nerve innervates extreinsic musc of hands?

A

Radial

87
Q

Extrinsic musc of hand have prox attachment ___

A

Forearm (or as far as epicondyles of humerus)

88
Q

T/F: intrinsic musc of hand= attach prox and distally w/in hand

A

T

89
Q

T/F: radial n innervates all extrinsic extensors on palmar side of hand

A

F: dorsal

90
Q

Median n innervates most of the ___ (lat portion palm)

A

Extrinsic flexors

91
Q

T/F: ulnar n innervates most medial musc (medial palm)

A

T

92
Q

C6 =___, C7=___, C8=___ digits

A

1,2
3
4,5

93
Q

T/F: FDP splits to allow FDS to attach to distal phalanx

A

F: FDS splits

94
Q

What musc is the primary PIP flexor? DIP flexor?

A

FDS
FDP

95
Q

T/F: FDP digit #2 can be controlled indep of oth digits

A

T

96
Q

What does FPL do?

A

Flex thumb IP joint

97
Q

T/F: FPL exerts substantial flex torque @ MCP and CMC joints thumb

A

T

98
Q

What synovial sheath is distal to carpal tunnel?

A

Ulnar synovial sheath (surrounds FDS and FDP tendons)

99
Q

Where does radial synovial sheath attach?

A

Tendon FPL

100
Q

T/F: fibrous digital sheath are anchored to phalanges and palmar plates

A

T

101
Q

What synovial sheath surrounds extrinsic flexor from distal wrist crease to DIP and serves as lubrication to tendons?

A

Digital

102
Q

What are the 5 pulleys?

A

3 cross joints, 2 attach to shaft phalanges

103
Q

What is the role of pulleys?

A

Hold tendon @ constant distance fr MA during flexion

104
Q

What is tenosynovitis?

A

Inflamm flexor tendons and surrounding synovial membranes

105
Q

T/F: flexion and extension will –> more pressure for carpal tunnel

A

T

106
Q

What is the best position to help relieve pressure of carpal tunnel?

A

Neutral

107
Q

What is tenodesis?

A

Stretch musc passively across 1 joint –> creates passive mvt @ oth joints the musc crosses

(ext wrist, fingers flex naturally)

108
Q

What are the extrinsic finger extensors?

A

EDC
EI
ED Min

109
Q

T/F: extensor indicis= predominant finger ext bc cross sectional area

A

F: EDC

110
Q

T/F: extensor tendons lack pulley and defined digital sheath

A

T

111
Q

T/F: central band of extensor mech = extension of EDC

A

T

112
Q

T/F: lateral band = backbone of extensor mech

A

F: central band

113
Q

T/F: lateral band of extensor mech= wraps around joint @ prox phalanx

A

F: distal

114
Q

Central band attaches to ___ phalanx, lateral band?

A

Middle
Distal

115
Q

T/F: dorsal hood connects tendon to palmar plate and provide attachment to lumbricals and interossei

A

T

116
Q

Dorsal hood stabilizes extensor tendons relative to __

A

MCP joint

117
Q

T/F: oblique retinacular lig insert distally in lateral band and coord mvt beta PIP and DIP fingers

A

T

118
Q

Isolated cxn EDC prod __ @ MCP joint

A

Hyperext

119
Q

T/F: EDC can fully ext PIP and DIP alone

A

F: need activated intrinsic musc fingers

120
Q

What musc make up anatomic snuff bos? (extrinsic extensors thumb)

A

EPL
EPB
AbPL

121
Q

Which tendons pass through the 1st dorsal compartment w/in extensor retinaculum of wrist

A

AbPL
EPB

122
Q

Where does tendon EPL cross?

A

3rd compartment (groove med to dorsal tubercle of radius)

123
Q

Which joints does EPL ext?

A

CMC, MCP, IP thumb

124
Q

T/F: EPL only ext CMC joint

A

F: also ADD

125
Q

What joints does EPB ext?

A

CMC and MCP

126
Q

T/F: AbPL ext only CMC

A

T

127
Q

T/F: EPL and ECB= radial dev

A

F: EPL and AbPL

128
Q

3 thenar musc prox attachment

A

Transverse carpal lig and adjacent carpal bones

129
Q

T/F: FPB and OP attach distally to radial side of base of prox phalanx

A

F: AbPL and FPB
(OP= radial border of thumb metacarpal)

130
Q

T/F: AbPL attaches to extensor mech/expansion

A

T

131
Q

Median n injury results in ___ opposition and flattens the thenar area of hand

A

Disabled

132
Q

Med rot of opposition occurs w/ which musc? Flexion and ABD?

A

OP
All 3 thenar

133
Q

T/F: ADD policies > ABD pollicis

A

T

134
Q

Median n injury –> ___ contracture of CMC thumb

A

ADD

135
Q

Where is the ABD DM insertion?

A

Pisiform (stable insertion for FCU tendon)

136
Q

What is the func of hypothenar?

A

Cup ulnar border of hand

137
Q

Ulnar lesion results in

A

Flat hypothenar eminence

138
Q

Ulnar n injury –> clawing, what’s position?

A

Hyperext MCP
Flex IP

139
Q

Ulnar lesion paralyzes what musc?

A

ADD policies
All interosseous musc

140
Q

2 heads ADD policies attach __ side of prox phalanx

A

Ulnar

141
Q

T/F: greatest flexor and ADD torque @CMC = ADD pollicis

A

T

142
Q

What 2 n innervate lumbricals?

A

Median n (lateral)
Ulnar n (medial)

143
Q

Actions of lumbricals?

A

Flex MCP, ext DIP and PIP

144
Q

Interossei = __&__

A

PAD
DAB

145
Q

PAD

A

ADD digits #2,4,5

146
Q

DAB

A

ABD digits 2,3,4

147
Q

T/F: ABD digit #5= dorsal interossei

A

F: ABD digiti minimi

148
Q

T/F: interossei and ABD digiti minimi= dynamic stabilizers MCP joints

A

T

149
Q

Cxn interossei = __ MCP, __ IP

A

Flex
Ext

150
Q

T/F: lumbricals stronger than interossei

A

F: interossei bc prod lrg force over shorter cxn distance

151
Q

Intrinsic + pos? Extrinsic +?

A

Flex MCP, IP ext
Ext MCP, IP flex

152
Q

Forces fr FDP and FDS flex __ joints of fingers

A

All 3

153
Q

What is prehension?

A

Ability fingers and thumb to grasp/seize, holding, securing, picking up obj

154
Q

If unable to pinch, what musc do you compensate w/ for ulnar n lesion?

A

FPL (median n) (partially flex IP)

155
Q

What is froment’s sign an indication of?

A

Ulnar n lesion

156
Q

What is zig-zag deformity? Eg?

A

Collapse of multiple interconnected joints in alternating directions

Advanced RA

157
Q

Common deformity pos?

A

CMC flex and ADD
MCP hypertext
IP flex

158
Q

T/F: finger flexors generate bowstring force in palmar direc when gripping

A

T

159
Q

Weakened lig (w/ RA) –>

A

Bowstringing force dislocating MCP completely

160
Q

Ulnar drift = deformity @MCP of ____

A

Excessive ulnar dev and ulnar translation (slide) prox phalanx

161
Q

T/F: healthy hand, transverse fibers dorsal hood and radial collateral lig maintain extensor tendon over AoR

A

T

162
Q

W/ RA, transverse fibers dorsal hood ruptures allowing EDC tendon to slide ___ side of AoR

A

Ulnar

163
Q

Ulnar drift may be assoc w/

A

Wrist instability

clin kines 2 (6 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions