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Kinesiology > Thumb > Flashcards

Thumb Flashcards

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

A

0-50 degrees

20
Q

Prime movers of MCP flexion

A
  • FPL
  • FPB
21
Q

Compensatory movement of MCP flexion

A
  • wrist ulnar deviation
  • thumb IP flexion
  • thumb CMC flexion
22
Q

ROM of MCP extension

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

A

0-50 degrees

24
Q

Prime movers of MCP extension

A
  • EPB
  • EPL
25
Q

Compensatory movement of MCP extension

A
  • wrist radial deviation
  • thumb IP extension
  • thumb CMC extension
26
Q

ROM of IP flexion

A
  • 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
Q

Typical ROM of IP flexion

A

80 degrees

28
Q

Prime movers of IP flexion

A
  • FPL
29
Q

Compensatory movement of IP flexion

A
  • wrist ulnar deviation
  • thumb MCP flexion
  • thumb CMC flexion
30
Q

ROM of IP extension

A
  • 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
Q

Typical ROM of IP extension

A

45 degrees

32
Q

Prime movers of IP extension

A
  • EPL
33
Q

Compensatory movement of IP extension

A
  • wrist radial deviation
  • thumb MCP extension
  • thumb CMC extension
34
Q

MMT of thumb CMC flexion

A
  • 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
Q

MMT of thumb CMC extension

A
  • 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
Q

MMT of thumb palmar abduction

A
  • 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
Q

MMT of thumb radial abduction

A
  • 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
Q

MMT of thumb MCP flexion

A
  • 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
Q

MMT of thumb MCP extension

A
  • 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
Q

MMT of thumb IP flexion

A
  • 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
Q

MMT of thumb IP extension

A
  • 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
Q

Clinical implications

A
  • CMC arthritis
  • DeQuervain’s tenosynovitis
43
Q

CMC arthritis

A
  • CMC flexion, MCP hyperextension, IP flexion
  • interventions = steroid injection, adaptive strategies, education on joint protection
44
Q

Interventions of CMC arthritis

A
  • steroid injection
  • adaptive strategies
  • education on joint protection
45
Q

DeQuervain’s tenosynovitis

A
  • irritation of 1st dorsal compartment
  • APB and APL at extensor retinaculum
  • intervention = splinting, ease inflammation, pain modification
46
Q

Interventions of DeQuervain’s tenosynovitis

A
  • splinting
  • ease inflammation
  • pain modification

Kinesiology (11 decks)

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