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ARTHROLOGY > wrist & hand > Flashcards

wrist & hand Flashcards

1
Q

joints of wrist & hand

A

-distal radioulnar
-radiocarpal (wrist)
-midcarpal
-intercarpal
-carpometacarpal
-intermetacarpal
-metacarpophalangeal
-inerphalangeal (proximal, distal, pollex)

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2
Q

radiocarpal joint - type & movements

A

synovial, condyloid, diarthrosis, biaxial

flexion, extension, ADD (ulnar deviation), ABD (radial deviation)

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3
Q

radiocarpal joint - articular surfaces

A

biconcave distal end of radius & biconvex proximal surfaces of scaphoid, lunate, triquetrum
-disc / triangular fibrocartilage complex (TFCC) separates radiocarpal from radioulnar joint

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4
Q

radiocarpal joint - ligaments

A

-fibrous capsule
-ulnar & radial collateral ligaments
-palmar & dorsal radiocarpal ligaments

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5
Q

triangular fibrocartilage complex (TFCC)

A

-binds radius & ulna together
-separates distal radioulnar joint & ulna from radiocarpal joint
-adds stability to wrist & acts as cushion

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6
Q

radiocarpal joint - loose packed / resting position

A

neutral with slight ulnar deviation

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7
Q

radiocarpal joint - close packed position

A

extension with radial deviation

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8
Q

radiocarpal joint - capsular pattern of restriction

A

flexion & extension equally limited

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9
Q

radiocarpal & intercarpal ROM

A

flexion: 80-90º
extension: 70-90ª
radial deviation (ABD): 15º
ulnar deviation (ADD): 30-45º

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10
Q

midcarpal joint - type & movements

A

synovial, saddle, diarthrosis, biaxial

flexion, extension, ADD (ulnar deviation), ABD (radial deviation)

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11
Q

midcarpal joint - articular surfaces

A

proximal row of carpals & distal row of carpals

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12
Q

midcarpal joint - ligaments

A

transverse carpal ligament
(flexor retinaculum)

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13
Q

midcarpal joint - articular surfaces (carpals)

A

-scaphoid articulates with trapezium, trapezoid, capitate
-lunate articulates with capitate
-triquetrum articulates with hamate

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14
Q

midcarpal joint - flexion & extension

A

flexion: 40º
extension: 20º

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15
Q

midcarpal joint - loose packed / resting position

A

neutral / slight flexion with ulnar deviation

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16
Q

midcarpal joint - close packed position

A

extension with ulnar deviation

17
Q

midcarpal joint - capsular pattern of restriction

A

equal limitation of flexion & extension

18
Q

wrist joints: 3 transverse joints through wrist allow for maximum movement & stability

A

-radiocarpal
-midcarpal
-carpometacarpal

19
Q

intercarpal joints - type & movements

A

synovial, plane, diarthrosis, uniaxial

slight gliding

20
Q

intercarpal joints - articular surfaces

A

between all carpal bones & between proximal (scaphoid, lunate, triquetrum) & distal (trapezium, trapezoid, capitate, hamate) rows of carpals

21
Q

intercarpal joints - ligaments

A

-fibrous capsule
-palmar & dorsal interosseous / intercarpal ligament

22
Q

intercarpal joints - open packed / resting position

A

neutral / slight flexion

23
Q

intercarpal joints - close packed position

24
Q

intercarpal joints - capsular pattern of restriction

25
Q

carpometacarpal (CMC) joints - type & movements (thumb & fingers)

A

THUMB (1st digit): synovial, saddle, diarthrosis, triaxial
flexion, extension, ADD, ABD, rotation, circumduction (opposition & reposition)
FINGERS (2-5 digits): synovial, plane, diarthrosis, uniaxial
gliding

26
Q

carpometacarpal (CMC) joints - articular surfaces (thumb & fingers)

A

THUMB (1st digit): convex trapezium with concave first metacarpal
FINGERS (2-5 digits): distal surfaces of distal row of carpal bones & bases of metacarpals 2-5

27
Q

carpometacarpal (CMC) joints - ligaments (thumb & fingers)

A

-fibrous capsule
-carpometacarpal
-interosseous metacarpal

28
Q

carpometacarpal (CMC) joints - movements (thumb & fingers)

A

1st cmc (thumb): lots of movement
2nd cmc: minimal movement
3rd cmc: even less (acts as central pillar)
4th cmc: 10-15º dorsovolar movement
5th cmc: 25-30º dorsovolar movement

29
Q

carpometacarpal (CMC) joints - ROM (thumb & fingers)

A

flexion: 45-50º
extension: 0º
ABD: 60-70º
ADD: 30º
opposition: thump tip to head of 5th metacarpal

30
Q

carpometacarpal (CMC) joints - loose packed / resting position (thumb & fingers)

A

THUMB: midway between ABD & ADD, midway between flexion & extension
FINGERS: midway between flexion & extension

31
Q

carpometacarpal (CMC) joints - close packed position (thumb & fingers)

A

THUMB: full opposition
FINGERS: full extension

32
Q

carpometacarpal (CMC) joints - capsular pattern of restriction (thumb & fingers)

A

THUMB: ABD, extension
FINGERS: equal limitation in ALL directions

33
Q

intermetacarpal joints - type & movements

A

synovial, plane, diarthrosis, uniaxial

gliding

34
Q

intermetacarpal joints - articular surfaces

A

adjacent surfaces of bases of metacarpals 2-5

35
Q

intermetacarpal joints - ligaments

A

-fibrous capsule
-interosseous intermetacarpal ligaments (palmar, dorsal & deep transverse metacarpal ligaments)

ARTHROLOGY (11 decks)

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