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CATA 337 - fall 2022 > Lecture 10 - Wrist/hand > Flashcards

Lecture 10 - Wrist/hand Flashcards

1
Q

Movements at the wrist (7)

A

Distal radioulnar
Radiocarpal
Intercarpal
Midcarpal
Carpometacarpal
Metacarpalphalangeal
Interphalangeal

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2
Q

Type of joint for distal radioulnar

A

Uniaxial pivot joint

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3
Q

Distal radioulnar joint - resting position/close packed position/capsular pattern

A

R.p = 10d of supination
Close p = 5d of supination
Cp = full ROM, pain at extremes of rotation

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4
Q

Type of joint for radiocarpal

A

Biaxial ellipsoid joint

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5
Q

Radiocarpal joint - resting position/close packed/capsular pattern

A

RP = neutral with slight ulnar deviation
Close packed = extension with radial deviation
Cap p = flexion and extension limited equally

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6
Q

Carpals - truc pour se rappeler de l’ordre

A

Please Tell Little Suzie Tucker To Come Home

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7
Q

What is TFCC

A

Triangular fibrocartilage complex

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8
Q

MOI of TFCC

A

Compression of the ulnar side and rotation OR excessive radial deviation stretching the TFCC (ex: from swinging a hammer)

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9
Q

Normal functional hand movements

A

40d flexion
40d extension
15d radial deviation
20d ulnar deviation

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10
Q

4 types of sympathetic changes in nails in observation

A
  • Vasomotor
  • Sudomotor
  • Pilomotor
  • Trophic
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11
Q

List the common hand/wrist deformities

A
  • Benediction hand
  • Drop wrist
  • Beau’s line
  • Mallet finger
  • Bouchard’s nodes
  • Heberden’s nodes
  • Osteoarthritis
  • Swan neck deformity
  • Boutonniere deformity
  • Ulnar drift
  • Clubbing
  • Ganglion or small cyst swelling
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12
Q

What’s Benediction hand deformity?

A

Hyperextension of the metacarpophalangeal joint and flexion of the interphalangeal joints

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13
Q

What is ulnar drift?

A

Results in ulnar deviation of the digits

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14
Q

What is swan neck deformity?

A

Extension of the proximal interphalangeal joint

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15
Q

What is mallet finger?

A

Rupture or avulsion of the extensor tendon -> flexion of the distal phalanx consistent

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16
Q

What is Boutonniere deformity?

A

Extension or the metacarpophalangeal and distal interphalangeal and flexion of proximal interphalangeal joint.

17
Q

What position you put the wrist for RROM

A

Neutral at hand/wrist

18
Q

Mvts of functional wrist/hand scan (5)

A
  • Standard fist
  • Hook grasp fist
  • Straight fist
  • Pulp-to-pulp pinch
  • Tip-to-tip pinch
19
Q

For wrist sagittal plane, most of the motion for extension comes from (66,5%)?

A

Radiocarpal

20
Q

How to measure the wrist in frontal plane (ulnar vs radial dev)?

A

Angle between radius and the third metacarpal

21
Q

Functional ability - ___ from index and middle

A

Power

22
Q

Functional ability - ____ from middle and little

A

Dexterity

23
Q

3 tests for precision

A

3 finger pinch
Lateral pinch
Tip pinch

24
Q

4 tests for grip (see p.514)

A

Hook
Fist
Cylindrical
Spherical

25
Q

What is the functional position of the wrist?
“Position of rest”

A

Wrist extension 20-35d
Ulnar deviation 10-15d

26
Q

Functional position plus (wrist immobilization)

A
  • More wrist extension
  • More MP flexion
  • IP extended
  • Potential for contracture is kept to a minimum
27
Q

What is the ulnomeniscotriquetral dorsal glide test?

A

Dorsal glide of pisotriquetral complex
-> + for TFCC
looking for excessive laxity

28
Q

condition where there is a compression of the median n.

A

Carpal tunnel syndrome

29
Q

Sx of carpal tunnel syndrome

A

Inc P at night
Numbness and tingling
Weakness and atrophy in LOAF

30
Q

What is the LOAF muscles

A

Lumbricals
Opponens pollicis
ABD/Flex pollicis brevis

31
Q

What is the double crush syndrome?

A

Compression of the nerve that happens somewhere else along the root where the first compression occurs, because of compensation

32
Q

Condition where there is compression of the ulnar n.

A

Guyon’s canal syndrome

33
Q

Guyon’s canal syndrome - Type 1

A

Affects sensory and motor
Palmar sensory loss
Flex carpi uln & flex. digi spared

34
Q

Guyon’s canal syndrome - type 2

A

Only motor affected
Interossei and add. pollicis

35
Q

Guyon’s canal syndrome - Type 3

A

Distal end of guyon’s canal
Purely sensory (palmar superficial sensory branches)

CATA 337 - fall 2022 (16 decks)

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