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MS 100 > kinesiology wrist and hand > Flashcards

kinesiology wrist and hand Flashcards

1
Q

What is the closed pack position of the radiocarpal joint?

A

Full extension with radial deviation

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2
Q

What is the capsular pattern of the radiocarpal joint?

A

Flexion = extension

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3
Q

What typical dislocation occurs in the radiocarpal joint?

A

Lunate moves anteriorly into carpal tunnel; most carpals move posteriorly

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4
Q

What type of joint is the radiocarpal joint?

A

Biaxial condyloid synovial

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5
Q

Which collateral ligament is stronger in the radiocarpal joint?

A

Radial/lateral collateral ligament

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6
Q

What is the closed pack position of the midcarpal joint?

A

Extension with radial deviation

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7
Q

What is the capsular pattern of the midcarpal joint?

A

Flexion = extension

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8
Q

What typical dislocation occurs in the midcarpal joint?

A

Most carpals dislocate posteriorly

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9
Q

What type of joint is the midcarpal joint?

A

Non-axial plane synovial joint

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10
Q

In the midcarpal joint, which direction does the distal row move during radial deviation?

A

Toward the side of deviation

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11
Q

What is the maximum deviation achieved with the wrist in?

A

Neutral flexion – extension

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12
Q

How many joints are there to consider in the hand?

A

Three

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13
Q

List the three joints of the hand.

A
  • Carpometacarpal
  • Metacarpophalangeal
  • Interphalangeal
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14
Q

What is the closed pack position of the carpometacarpal joint for the thumb?

A

Full opposition

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15
Q

What is the closed pack position of the carpometacarpal joint for the digits?

A

Full flexion

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16
Q

What is the capsular pattern of the carpometacarpal joint for the thumb?

A

Abduction > extension

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17
Q

What is the capsular pattern of the carpometacarpal joint for the digits?

A

All motions equally

18
Q

What is the typical dislocation of the carpometacarpal joint?

A

Uncommon, carpal dislocation or metacarpal fracture

19
Q

What type of joint is the 1st carpometacarpal joint?

A

Biaxial saddle synovial

20
Q

What does the incongruence at the 1st carpometacarpal joint account for?

A

Increased incidence of osteoarthritis

21
Q

Name the main ligaments of the 1st carpometacarpal joint.

A
  • Lateral collateral ligament
  • Anterior CMC ligament
  • Posterior CMC ligament
  • Interosseous CMC ligaments
22
Q

What type of joint are the 2nd to 5th carpometacarpal joints?

A

Plane synovial (2nd - 4th) and saddle synovial (5th)

23
Q

What is the closed pack position of the metacarpophalangeal joint for the thumb?

A

Full opposition

24
Q

What is the closed pack position of the metacarpophalangeal joint for the digits?

A

Full flexion

25
Q

What is the capsular pattern of the metacarpophalangeal joint?

A

Flexion > extension

26
Q

What is the typical dislocation of the metacarpophalangeal joint?

A

Proximal phalanx moves posterosuperior; 2nd and 5th digits are most commonly dislocated

27
Q

What is the closed pack position of the interphalangeal joints?

A

Full extension

28
Q

What is the capsular pattern of the interphalangeal joints?

A

Flexion > extension

29
Q

What is the typical dislocation of the interphalangeal joints?

A

Posterior displacement of the phalanx

30
Q

What type of joint are the interphalangeal joints?

A

Hinge synovial

31
Q

What is the main ligament associated with the interphalangeal joints?

A

Volar fibrocartilagenous plate

32
Q

What is involved in a power grip?

A

Flexion of all fingers

33
Q

What is precision handling?

A

Fingers and thumb grasp an object with the objective of manipulating

34
Q

1st CMC joint Flexion/Extension, slide and glide occur..

A

concave on convex: same direction

35
Q

1st CMC joint ab/adduction, slide and glide occur..

A

Convex on concave: opposite direction

36
Q

5th CMC joint Flex/extension, slide and glide occur..

A

Concave on convex: same direction

37
Q

5th CMC joint ab/adduction, slide and glide occur..

A

Convex on concave: opposite direction

38
Q

MCP and IPs joint flex/extension, slide glide occur..

A

Same direction

39
Q

PREHENSION

A

refers to activities of the hand involving grasping or taking hold of an object between any
two surfaces in the hand; the thumb may or may not participate

40
Q

_______ are more powerful MCP flexors, ________ are stronger IP extensors

A

interossei : MCP flex
lumbricals IP extensor

MS 100 (17 decks)

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