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Functional Anatomy > Exam #1 - Upper Limb > Flashcards

Exam #1 - Upper Limb Flashcards

1
Q

Sternoclavicular Joint type

A

Saddle

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2
Q

SCJ Degrees of Freedom

Osteokinematics

A

3

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3
Q

Function of SCJ

A

Place scapula in position to accept head of humerus

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4
Q

SCJ close-pack position

A

Max shoulder elevation and protraction

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5
Q

SCJ open-pack position

A

Arm resting by side

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6
Q

Osteokinematics of the SCJ

Plane + Motion

A

frontal: elevation & depression
sagittal: axial rotation of clavicle
horizontal: retraction & protraction

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7
Q

Elevation of SCJ

Convex clavicle roll ______/______, slide _______/______ on the concavity of the sternum

Arthrokinematics

A

Convex clavicle roll superior/medial, slide inferior/lateral on the concavity of the sternum

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8
Q

Depression of SCJ

Convex clavicle rolls ____/____ and slides _____/_____ on the convexity of the sternum

Arthrokinematics

A

Convex clavicle roll inferior/lateral, slide superior/medial on the concavity of the sternum

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9
Q

Retraction of SCJ

Concave clavicle roll & slide ____

Arthrokinematics

A

Concave clavicle roll & slide posteriorly

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10
Q

Protraction of SCJ

Concave clavicle roll & slide ____ on the convexity of sternum

Arthrokinematics

A

Concave clavicle roll & slide Anteriorly on the convexity of sternum

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11
Q

Posterior rotation of SCJ

Posterior spin of the sternal end of the clavicle relative to the ____ surface of the articular disc

Arthrokinematics

A

Posterior spin of the sternal end of the clavicle relative to the lateral surface of the articular disc

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12
Q

Anterior rotation of SCJ

Anterior spin of the sternal end of the clavicle relative to the ____ surface of the articular surface

Arthrokinematics

A

Anterior spin of the sternal end of the clavicle to the lateral surface of the articular surface

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13
Q

The acromioclavicular joint is considered what type of joint

A

gliding/plane

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14
Q

ACJ degrees of freedom

Osteokinematics

A

3

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15
Q

Planes of motions of the ACJ

Osteokinematics

A

frontal
sagittal
horizontal

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16
Q

Function of ACJ

A

fine tunes position of scapula

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17
Q

ACJ close-pack position

A

90° ABDuction

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18
Q

ACJ open-packed position

A

arm resting by side

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19
Q

Scapular plane of ACJ

A

frontal plane

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20
Q

Osteokinematic of ACJ: upward & downward rotation

Natural component to ____&____ as well as ____&____

A

Natural component to abduction & flexion as well as adduction & extension

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21
Q

IR/ER in the horizontal plane of the ACJ is defined by

A

defined by the direction of rotation of the glenoid fossa

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22
Q

Sagittal plane of rotational adjustments of the ACJ

A

described as anterior tilting & posterior tilting

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23
Q

Scapulothoracic Joint is considered what type of joint

A

NOT considered a true joint

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24
Q

Function of scapulothoracic

A

Afford shoulder wide ROM available

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25
Q

Closed-packed position of Scapulothoracic

A

none

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26
Q

Open-packed position of Scapulothoracic

A

Arm by side,
Sacpula in 30-45° IR,
Slight UR,
5-20° anterior tilt

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27
Q

Occurs as a summation of SCJ & ACJ rotation

Arthrokinematics

A

Frontal: Elevation & Depression, Upward & Downward Rotation
Horizontal: Protraction & Retraction

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28
Q

Glenohumeral Joint is classified as what?

A

ball and socket

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29
Q

Degrees of freedome: GHJ

Osteokinematics

A

3

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30
Q

Function of GHJ

A

Operates in conjuction with moving scapula to produce extensive ROM of UE

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31
Q

Closed-pack position of GHJ

A

90° ABD and full ER
Full ABD and ER

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32
Q

Open-pack position; GHJ

A

55° ABD
30° horizontal ADD

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33
Q

Osteokinematics of GHJ

Plane + Motions

A

Frontal: ABD/ADD
Sagittal: Flx/Ext
Horizontal: IR/ER

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34
Q

Abduction of GHJ

Convex humerus roll ____/____ slide ____/____ on the concavity of the glenoid

Arthrokinematics

A

Convex humerus roll superior/medial & slide inferior/lateral on the concavity of the glenoid

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35
Q

Adduction of GHJ

Convex humerus roll ____/____ slide ____/____ on the concavity of the glenoid

Arthrokinematics

A

Convex humerus roll inferior/lateral slide superior/medial on the concavity of the glenoid

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36
Q

Flexion of GHJ

____ spin of humeral head about glenoid fossa

Arthrokinematics

A

Anterior spin of humeral head about glenoid fossa

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37
Q

Extension of GHJ

____ spin of humeral head about glenoid fossa

Arthrokinematics

A

Posterior spin of humeral head about glenoid fossa

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38
Q

External Rotation of GHJ

Convex humerus rolls ____ slides ____ on the concavity of the glenoid

Arthrokinematics

A

Convex humerus rolls posterior slides anterior on the concavity of the glenoid

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39
Q

Internal Rotation of GHJ

Convex humerus rolls ____ slides ____ on the concavity of the glenoid

Arthrokinematics

A

Convex humerus rolls anterior slides posterior on the concavity of the glenoid

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40
Q

Humero-ulnar joint is considered what type of joint?

A

Hinge joint (modified)

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41
Q

Humero-ulnar degrees of freedom

Osteokinematics

A

1

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42
Q

Osteokinematics of Humero-ulnar joint

A

Sagittal: Flexion/Extension

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43
Q

Humero-ulnar Function

A

Allows pulling, lifting, feeding, throwing, grooming, reaching & pushing activities

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44
Q

Humero-ulnar Closed-Pack Position

A

full extension

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45
Q

Humero-ulnar Open-Pack Position

A

70° flexion + 10° supination

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46
Q

Flexion of HUJ

Concave trochlear notch roll & slides ____/____ on the convexity of the trochlea

Arthrokinematics

A

Concave trochlear notch roll & slides anterior/superior on the convexity of the trochlea

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47
Q

Extension of HUJ

Concave trochlear notch roll & slides ____/____ on the convexity of the trochlea

Arthrokinematics

A

Concave trochlear notch roll & slides posterior/superior on the convexity of the trochlea

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48
Q

Extension of HUJ is coupled with

Osteokinematics

A

valgus & ulnar pronation

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49
Q

Extension + Valgus of HUJ

Convex ulna rolls ____ slide ____ on the concave of trochlea

Arthrokinematics

A

Convex ulna rolls lateral slides medial on the concave of trochlea

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50
Q

Extension + Ulnar Pronation of HUJ

Convex ulna rolls ____ slide ____ on the concave of trochlea

Arthrokinematics

A

Convex ulna rolls lateral slides medial on the concave of trochlea

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51
Q

Flexion of HUJ is coupled with

Osteokinematics

A

Valgus or Varus & Ulnar Supination

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52
Q

Flexion + Varus of HUJ

Convex ulna rolls ____ slide ____ on the concave of trochlea

Arthrokinematics

A

Convex ulna roll medial slide lateral on the concave trochlea

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53
Q

Flexion + Valgus of HUJ

Convex ulna rolls ____ slide ____ on the concave of trochlea

Arthrokinematics

A

Convex ulna roll lateral slide medial on the concave trochlea

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54
Q

Flexion + Ulna Supination of HUJ

Convex ulna rolls ____ slide ____ on the concave of trochlea

Arthrokinematics

A

Convex ulna roll medial slide lateral on the concave trochlea

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55
Q

Humeroradial Joint is considered what type of joint

A

Pivot (ball & socket, modified)

56
Q

Humeroradial Joint degrees of freedom

Osteokinematics

A

Sagittal: Flexion/Extension
Horizontal: Pronation/Supination

57
Q

Function of Humeroradial Joint

A

Provides 50% resistance against a valgus-producing force to the elbow

58
Q

HRJ close-pack position

A

elbow flexed to 90° + forearm supination of 5°

59
Q

HRJ open-pack position

A

full extension + full supination

60
Q

Flexion of Humeroradial Joint

Concave radial head rolls & slides ____/____ on the convexity of the capitulum

Arthrokinematics

A

Concave radial head rolls & slides anterior/superior on the convexity of the capitulum

61
Q

Extension of Humeroradial Joint

Concave radial head rolls & slides ____/____ on the convexity of the capitulum

Arthrokinematics

A

Concave radial head rolls & slides caudal/posterior on the convexity of the capitulum

62
Q

Pronation of Humeroradial Joint

____ spin of the concave radial head about the convex capitulum of the humerus

Arthrokinematics

A

medial spin of the concave radial head about the convex capitulum of the humerus

63
Q

Supination of Humeroradial Joint

____ spin of the concave radial head about the convex capitulum of the humerus

Arthrokinematics

A

lateral spin of the concave radial head about the convex capitulum of the humerus

64
Q

Extension of HRJ is coupled with

Osteokinematics

A

Extension + Valgus

65
Q

Flexion of HRJ is coupled with

Osteokinematics

A

Flexion + Valgus or Varus

66
Q

Extension + Valgus of HRJ

Concave fovea of radius rolls & slides ____ on convex capitulum of humerus

Arthrokinematics

A

Concave fovea of radius rolls & slides lateral on convex capitulum of humerus

67
Q

Flexion + Valgus of HRJ

Concave fovea of radius rolls & slides ____ on convex capitulum of humerus

Arthrokinematics

A

Concave fovea of radius rolls & slides lateral on convex capitulum of humerus

68
Q

Flexion + Varus of HRJ

Concave fovea of radius rolls & slides ____ on convex capitulum of humerus

Arthrokinematics

A

Concave fovea of radius rolls & slides medial on convex capitulum of humerus

69
Q

Proximal Radio-ulnar Joint is classified as what joint

A

Pivot

70
Q

Proximal Radio-ulnar Joint degrees of freedom

Osteokinematics

A

Horizontal: Pronation/Supination

71
Q

Proximal Radio-ulnar Joint function

A

facilitate forearm rotation

72
Q

PRUJ close-pack position

A

5° supination

73
Q

PRUJ open-pack position

A

70° flexion + 35° supination

74
Q

Supination of PRUJ

Convex radial head rolls ____-____ slide ____-____ on concave radial notch of ulna

Arthrokinematics

A

Convex radial head rolls dorsal-lateral slide volar-medial on concave radial notch of ulna

75
Q

Pronation of PRUJ

Convex radial head rolls ____-____ slide ____-____ on concave radial notch of ulna

Arthrokinematics

A

Convex radial head rolls volar-medial slide dorsal-lateral on concave radial notch of ulna

76
Q

Distal Radio-ulnar Joint classified as what joint

A

Pivot

77
Q

Distal Radio-ulnar Joint degrees of freedom

Osteokinematics

A

Horizontal: Pronation/Supination

78
Q

Distal Radio-ulnar Joint Function

A

facilitate forearm rotation

79
Q

DRUJ close-pack position

A

5° supination

80
Q

DRUJ open-pack position

A

10° supination

81
Q

Supination of DRUJ

Concave ulnar notch of radius roll and slide ____ on convex head of radius

Arthrokinematics

A

Concave ulnar notch of radius roll and slide dorsal on convex head of radius

82
Q

Pronation of DRUJ

Concave ulnar notch of radius roll and slide ____ on convex head of radius

Arthrokinematics

A

Concave ulnar notch of radius roll and slide palmar on convex head of radius

83
Q

Radiocarpal Joint is classified as what type of joint

A

Ellipsoid

84
Q

Radiocarpal Joint degrees of freedom

Osteokinematics

A

Frontal: Ulnar/Radial Deviation
Sagittal: Flexion/Extension

85
Q

RCJ close-pack position

A

extension + radial deviation

86
Q

RCJ open-pack position

A

neutral + slight radial deviation

87
Q

Ulnar Deviation of RCJ

Convex scaphoid, lunate, triquetrum rolls ____-____ and slides ____-____ on the concave radius

Arthrokinematics

A

Convex scaphoid, lunate, triquetrum rolls ulnar-proximal and slides radial-distal on the concave radius

88
Q

Radial Deviation of RCJ

Convex scaphoid, lunate, triquetrum rolls ____-____ and slides ____-____ on the concave radius

Arthrokinematics

A

Convex scaphoid, lunate, triquetrum rolls radial-distal and slides ulnar-proximal on the concave radius

89
Q

Extension of RCJ

Convex lunate rolls ____-____ and slides ____-____ on the concave radius

Arthrokinematics

A

Convex lunate rolls dorsal-distal and slides palmar-proximal on the concave radius

90
Q

Flexion of RCJ

Convex lunate rolls ____-____ and slides ____-____ on the concave radius

Arthrokinematics

A

Convex lunate rolls palmar-proximal and slides dorsal-distal on the concave radius

91
Q

Midcarpal Joint is classified as what type or joint

A

intercalated segment (S-shape)

92
Q

MCJ close-pack position

A

extension + ulnar deviation

93
Q

MCJ open-pack position

A

neutral or slight flexion + ulnar deviation

94
Q

Midcarpal Joint degrees of freedom

Osteokinematics

A

Frontal: Ulnar/Radial Deviation
Sagittal: Flexion/Extension

95
Q

Ulnar Deviation of MCJ

Convex capitate rolls ____ & slides ____ on concave lunate & scaphoid

Arthrokinematics

A

Convex capitate rolls ulnarly & slides radial on concave lunate & scaphoid

96
Q

Radial Deviation of MCJ

Convex capitate rolls ____ & slides ____ on concave lunate & scaphoid

Arthrokinematics

A

Convex capitate rolls radial & slides ulnarly on concave lunate & scaphoid

97
Q

Extension of MCJ

Convex capitate rolls ____ & slides ____ on concave lunate

Arthrokinematics

A

Convex capitate rolls dorsal & slides palmar on concave lunate

98
Q

Flexion of MCJ

Convex capitate rolls ____ & slides ____ on concave lunate

Arthrokinematics

A

Convex capitate rolls palmar & slides dorsal on concave lunate

99
Q

Carpometacarpal (Thumb) Joint is classified as what joint?

A

Saddle

100
Q

Carpometacarpal (Thumb) Joint degrees of freedom

Osteokinematics

A

Frontal: Flexion/Extension
Sagittal: Abduction/Adduction

Also multiplanar: opposition/reposition

101
Q

Carpometacarpal (Thumb) Joint Function

Enhances ____ of human prehension through the ability to ____

A

Enhances dexterity of human prehension through the ability to oppose

102
Q

CMC close-pack position

A

full opposition

103
Q

CMC open-pack position

A

midway between ABD-ADD & FLX-EXT (anatomical position)

104
Q

Flexion of CMC Joint

Concave metacarpal roll & slide ____-____ on convex trapezium

Arthrokinematics

A

Concave metacarpal roll & slide ulnar-distal on convex trapezium

105
Q

Extension of CMC Joint

Concave metacarpal roll & slide ____-____ on convex trapezium

Arthrokinematics

A

Concave metacarpal roll & slide radial-proximal on convex trapezium

106
Q

Abduction of CMC Joint

Convex metacarpal roll ____-____ and slides ____-____ on concave trapezium

Arthrokinematics

A

Convex metacarpal roll palmar-proximal and slides dorsal-distal on concave trapezium

107
Q

Adduction of CMC Joint

Convex metacarpal roll ____-____ and slides ____-____ on concave trapezium

Arthrokinematics

A

Convex metacarpal roll dorsal-distal and slides palmar-proximal on concave trapezium

108
Q

Opposition of CMC Joint

ABD: Convex metacarpal rolls ____-____ slides ____-____ on concave trapezium

Flx: Concave metacarpal roll and slide ____-____ on convex trapezium

Med Rotation: Convex metacarpal spins ____

Arthrokinematics

Multiplanar

A

ABD: Convex metacarpal rolls palmar-proximal slides dorsal-distal on concave trapezium

Flx: Concave metacarpal roll and slide ulnar-distal on convex trapezium

Med Rotation: Convex metacarpal spins medial

109
Q

Reposition of CMC Joint

ADD: Convex metacarpal rolls ____-____ slides ____-____ on concave trapezium

Ext: Concave metacarpal roll and slide ____-____ on convex trapezium

Lat Rotation: Convex metacarpal spins ____

Arthrokinematics

Multiplanar

A

ADD: Convex metacarpal rolls dorsal-distal slides palmar-proximal on concave trapezium

Ext: Concave metacarpal roll and slide radial-proximal on convex trapezium

Lat Rotation: Convex metacarpal spins lateral

110
Q

Metacarpophalangeal (Thumb) Joint is considered what type of joint

A

Hinge

111
Q

Metacarpophalangeal (Thumb) Joint degrees of freedom

Osteokinematics

A

Frontal: Flexion/Extension

112
Q

Metacarpophalangeal (Thumb) Joint Function

Enhances ____ of human prehension through the ability to ____

A

Enhances dexterity of human prehension through the ability to opppose

113
Q

Metacarpophalangeal (Thumb) Joint close-pack position

A

full extension

114
Q

Metacarpophalangeal (Thumb) Joint open-pack position

A

slight flexion

115
Q

Flexion of MCPJ

Concave phalanx roll and slide ____ on convex proximal phalanx

Arthrokinematics

A

Concave phalanx roll and slide ulnarly on convex proximal phalanx

116
Q

Extension of MCPJ

Concave phalanx roll and slide ____ on convex proximal phalanx

A

Concave phalanx roll and slide radially on convex proximal phalanx

117
Q

Interphalangeal (Thumb) Joint is considered what type of joint

A

Hinge

118
Q

Interphalangeal (Thumb) Joint degrees of freedom

A

Frontal: Flexion/Extension

119
Q

Interphalangeal (Thumb) Joint close-pack position

A

Full Extension

120
Q

Interphalangeal (Thumb) Joint open-pack position

A

slight flexion

121
Q

Flexion of IP Joint

Concave phalanx roll and slide ____ on convex proximal phalanx

Arthrokinematics

A

Concave phalanx roll and slide ulnarly on convex proximal phalanx

122
Q

Extension of IP Joint

Concave phalanx roll and slide ____ on convex proximal phalanx

Arthrokinematics

A

Concave phalanx roll and slide radially on convex proximal phalanx

123
Q

Scapulothoracic Junction is considered what type of joint

A

Pseudo joint

124
Q

The entire shoulder complex functions as an intergrated unit ____ UE motion

A

The entire shoulder complex functions as an intergrated unite maximizing UE motion

125
Q

Links the appendicular skeleton with the axial skeleton

A

Sternoclavicular joint

126
Q

What joints arthrokinematics are not well defined

A

Acromioclavicular Joint

127
Q

Motions of the Scapulothoracic Junction

A
  • Elevation & depression
  • Upward & downward rotation
  • Protraction & retraction
128
Q

The GH Joint relies on what subsystem of movement for stability

A

Active subsystem (force closure)

129
Q

The design of the elbow & forearm adds to the ____ of the hand in space by ____ & ____ the upper extremity & by rotating the forearm

A

The design of the elbow & forearm adds to the mobility of the hand in space by shortening & lengthening the upper extremity & by rotating the forearm

130
Q

What is the oblique orientation of the radial notch

A

Volar-medial to dorsal-lateral

131
Q

Proximal row of carpal bones

A
  • scaphoid
  • lunate
  • triquetrum
  • pisiform
132
Q

Distal row of carpal bones

A
  • trapezium
  • trapezoid
  • capitate
  • hamate
133
Q

Contents of the capral tunnel

A
  • Transverse carpal ligament
  • pisiform
  • hook of hamate
  • scaphoid tubercle
  • trapezium tubercle
134
Q
  • CV capitate & hamate
  • CC scaphoid, lunate & triquetrum
A

Medial compartment

135
Q
  • CV scaphoid
  • CC trapezium & trapezoid
A

Lateral compartment

136
Q

Active abduction & adduction is very limited & therefore considered____ motions at the MCPJ & IP

A

Active abduction & adduction is very limited & therefore considered accessory motions at the MCPJ & IP

Functional Anatomy (17 decks)

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