Kinesiology > Thumb > Flashcards

Thumb Flashcards

(46 cards)

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1
Q

The thumb

A
  • saddle joint
  • movements: flexion/extension, palmar adduction/abduction, radial adduction/abduction
  • facilitates pinch
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2
Q

ROM of CMC flexion

A
  • prime movers = FPL, FPB
  • patient position = sitting with the forearm and hand supported in neutral (thumb up)
  • goniometer axis = adjacent to CMC joint
  • stationary arm = parallel to midline of radius
  • moving arm = parallel to midline of 1st metacarpal
  • compensatory movement = wrist ulnar deviation., thumb MCP flexion, thumb IP flexion
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3
Q

Typical ROM of CMC flexion

A

15 degrees

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4
Q

Prime movers of CMC flexion

A
  • FPL
  • FPB
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5
Q

Compensatory movement of CMC flexion

A
  • wrist ulnar deviation
  • thumb MCP flexion
  • thumb IP flexion
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6
Q

ROM of CMC extension

A
  • prime movers = EPB, EPL, abductor pollicis longus
  • patient position = sitting with the forearm and hand supported in neutral (thumb up)
  • goniometer axis = adjacent to CMC joint
  • stationary arm = parallel to midline of radius
  • moving arm = parallel to midline of 1st metacarpal
  • compensatory movement = wrist radial deviation, thumb MCP extension
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7
Q

Typical ROM of CMC extension

A

20 degrees

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8
Q

Prime movers of CMC extension

A
  • EPB
  • EPL
  • abductor pollicis longus
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9
Q

Compensatory movement of CMC extension

A
  • wrist radial deviation
  • thumb MCP extension
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10
Q

ROM of palmar abduction

A
  • use half moon goniometer
  • primer movers = APL, APB
  • patient position = sitting with the forearm and hand supported in neutral (thumb up)
  • goniometer axis = adjacent to lateral CMC joint
  • stationary arm = midline of lateral aspect of 2nd metacarpal
  • moving arm = midline of lateral aspect of 1st metacarpal
  • compensatory movement = wrist flexion
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11
Q

Typical ROM of palmar abduction

A

70 degrees

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12
Q

Prime movers of palmar abduction

A
  • APL
  • APB
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13
Q

Compensatory movement of palmar abduction

A
  • wrist flexion
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14
Q

ROM of radial abduction

A
  • use half moon goniometer
  • prime movers = APL, EPB, APB, EPL
  • patient position = sitting with the hand elevated and forearm supported in pronation; wrist neutral
  • goniometer axis = adjacent to dorsal CMC joint
  • stationary arm = midline of posterior aspect of 2nd metacarpal
  • moving arm = midline of posterior aspect of 1st metacarpal
  • compensatory movement = wrist radial deviation
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15
Q

Typical ROM of radial abduction

A

70 degrees

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16
Q

Prime movers of radial abduction

A
  • APL
  • EPB
  • APB
  • EPL
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17
Q

Compensatory movement of radial abduction

A
  • wrist radial deviation
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18
Q

ROM of MCP flexion

A
  • prime movers = FPL, FPB
  • patient position = sitting with the forearm and hand supported in neutral (thumb up)
  • goniometer axis = adjacent to dorsal MCP joint (goniometer upright)
  • stationary arm = dorsal aspect of 1st metacarpal
  • moving arm = dorsal aspect of proximal phalanx
  • compensatory movement = wrist ulnar deviation, thumb IP flexion, thumb CMC flexion
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19
Q

Typical ROM of MCP flexion

20
Q

Prime movers of MCP flexion

21
Q

Compensatory movement of MCP flexion

Study These Flashcards
A
  • wrist ulnar deviation
  • thumb IP flexion
  • thumb CMC flexion
22
Q

ROM of MCP extension

Study These Flashcards
A
  • prime movers = EPB, EPL
  • patient position = sitting with the forearm and hand supported in neutral (thumb up)
  • goniometer axis = adjacent to dorsal MCP joint (goniometer upright)
  • stationary arm = dorsal aspect of 1st metacarpal
  • moving arm = dorsal aspect of proximal phalanx
  • compensatory movement = wrist radial deviation, thumb IP extension, thumb CMC extension
23
Q

Typical ROM of MCP extension

24
Q

Prime movers of MCP extension

25
Compensatory movement of MCP extension
- wrist radial deviation - thumb IP extension - thumb CMC extension
26
ROM of IP flexion
- prime movers = FPL - patient position = sitting with the forearm and hand supported in neutral (thumb up) - goniometer axis = adjacent to dorsal IP joint - stationary arm = dorsal aspect of proximal phalanx - moving arm = dorsal aspect of distal phalanx - compensatory movement = wrist ulnar deviation, thumb MCP flexion, thumb CMC flexion
27
Typical ROM of IP flexion
80 degrees
28
Prime movers of IP flexion
- FPL
29
Compensatory movement of IP flexion
- wrist ulnar deviation - thumb MCP flexion - thumb CMC flexion
30
ROM of IP extension
- prime movers = EPL - patient position = sitting with the forearm and hand supported in neutral (thumb up) - goniometer axis = adjacent to dorsal IP joint (goniometer upright) - stationary arm = dorsal aspect of proximal phalanx - moving arm = dorsal aspect of distal phalanx - compensatory movement = wrist radial deviation, thumb MCP extension, thumb CMC extension
31
Typical ROM of IP extension
45 degrees
32
Prime movers of IP extension
- EPL
33
Compensatory movement of IP extension
- wrist radial deviation - thumb MCP extension - thumb CMC extension
34
MMT of thumb CMC flexion
- patient position = sitting with the forearm and hand supported in neutral (thumb up) - stabilizing hand = at wrist stabilizing against tabletop - resistive hand = anterior aspect of 1st metacarpal - force application = against flexion
35
MMT of thumb CMC extension
- patient position = sitting with the forearm and hand supported in neutral (thumb up) - stabilizing hand = at wrist stabilizing against tabletop - resistive hand = posterior aspect of 1st metacarpal - force application = against extension
36
MMT of thumb palmar abduction
- patient position = sitting with the forearm and hand supported in neutral - stabilizing hand = at wrist against tabletop - resistive hand = lateral aspect of 1st metacarpal - force application = against palmar abduction
37
MMT of thumb radial abduction
- patient position = sitting with the hand elevated and forearm supported in neutral (thumb up) - stabilizing hand = at wrist stabilizing against tabletop - resistive hand = lateral aspect of 1st metacarpal - force application = against radial abduction
38
MMT of thumb MCP flexion
- patient position = sitting with the forearm and hand supported in neutral (thumb up) - stabilizing hand = pinching at 1st metacarpal - resistive hand = volar surface of proximal phalanx - force application = against flexion
39
MMT of thumb MCP extension
- patient position = sitting with the forearm and hand supported in neutral (thumb up) - stabilizing hand = pinching 1st metacarpal - resistive hand = dorsal surface of proximal phalanx - force application = against extension
40
MMT of thumb IP flexion
- patient position = sitting with the forearm and hand supported in neutral (thumb up) - stabilizing hand = pinching proximal phalanx - resistive hand = volar surface of distal phalanx - force application = against flexion
41
MMT of thumb IP extension
- patient position = sitting with the forearm and hand supported in neutral (thumb up) - stabilizing hand = pinching proximal phalanx - resistive hand = dorsal surface of distal phalanx - force application = against extension
42
Clinical implications
- CMC arthritis - DeQuervain’s tenosynovitis
43
CMC arthritis
- CMC flexion, MCP hyperextension, IP flexion - interventions = steroid injection, adaptive strategies, education on joint protection
44
Interventions of CMC arthritis
- steroid injection - adaptive strategies - education on joint protection
45
DeQuervain’s tenosynovitis
- irritation of 1st dorsal compartment - APB and APL at extensor retinaculum - intervention = splinting, ease inflammation, pain modification
46
Interventions of DeQuervain’s tenosynovitis
- splinting - ease inflammation - pain modification
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