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Foundations 2 > E-stim Parameters > Flashcards

E-stim Parameters Flashcards

1
Q

Muscle strengthening - pulsed biphasic
Waveform?

A

pulsed symmetrical biphasic on tower machine OR VMS on non-tower machine

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2
Q

Muscle strengthening - pulsed biphasic
Pulse frequency?

A

20-100 Hz or pps

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3
Q

Muscle strengthening - pulsed biphasic
Pulse duration?

A

125-600 microseconds
125-200 microseconds small
200-350 microseconds large

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4
Q

Muscle strengthening - pulsed biphasic
Amplitude?

A

strong visible contraction max tolerated
10% of MVIC for injured muscle
>50% for non-injured muscle

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5
Q

Muscle strengthening - pulsed biphasic
on : off time?

A

1:5 (10:50)
May decrease as patient progresses

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6
Q

Muscle strengthening - pulsed biphasic
Ramp?

A

2sec, depending on patient

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7
Q

Muscle strengthening - pulsed biphasic
Treatment time?

A

10-20 min to produce 10-20 reps 3-5x/week

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8
Q

Muscle strengthening - pulsed biphasic
Electrode placement?

A

Parallel with muscle fibers over motor points

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9
Q

Muscle strengthening - Russian
Waveform?

A

medium frquency burst alternating current

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10
Q

Muscle strengthening - Russian
Pulse frequency?

A

Carrier frequency preset at 250,000 hz
Burst 50 Hz
Duty cycle 50%

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11
Q

Muscle strengthening - Russian
Pulse duration?

A

preset at 10 milliseconds

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12
Q

Muscle strengthening - Russian
Amplitude?

A

Strong visible contraction max tolerated
10% MVIC for injured muscle
50% MVIC for non-injured muscle

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13
Q

Muscle strengthening - Russian
on : off time?

A

1:5 (10:50)
decrease as patient progresses

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14
Q

Muscle strengthening - Russian
Ramp?

A

2 sec depending on patient

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15
Q

Muscle strengthening - Russian
Electrode placement?

A

parallell with muscle fibers over motor points

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16
Q

FES/Muscle Re-education
Waveform?

A

Could use pulsed symmetrical bi-phasic or Russain

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17
Q

FES/Muscle Re-education
Pulse frequency?

A

dependent on Russian or biphasic current

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18
Q

FES/Muscle Re-education
Pulse Duration?

A

dependent on Russian or biphasic current

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19
Q

FES/Muscle Re-education
Amplitude?

A

sufficient contraction for activity

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20
Q

FES/Muscle Re-education
on:off time, ramp, treatment time?

A

activity dependent

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21
Q

FES/Muscle Re-education
Electrode placement?

A

parallel with muscle fibers over motor points

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22
Q

Edema reduction due to acute inflammation
Waveform?

A

High volt pulsatile current (HVPC)
Red wire is active

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23
Q

Edema reduction due to acute inflammation
Pulse frequency?

A

100-125 pps
present on machines

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24
Q

Edema reduction due to acute inflammation
Pulse duration?

A

2-100 microseconds
present on machine

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25
Q

Edema reduction due to acute inflammation
Amplitude?

A

strong sensory tingling sensation

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26
Q

Edema reduction due to acute inflammation
on:off time?

A

continuous

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27
Q

Edema reduction due to acute inflammation
Treatment time?

A

20min/hr
can be multiple times per day

28
Q

Edema reduction due to acute inflammation
Electrode placement?

A

negative pad over (red wire) area of edema, dispersive pad proximal over large area
Elevate

29
Q

Edema reduction using muscle pump
Waveform?

A

can ise pulsed symmetrical biphasic or russain

30
Q

Edema reduction using muscle pump
Pulse frequency?

A

dependent on russain or biphasic

31
Q

Edema reduction using muscle pump
Pulse duration?

A

dependent on russain or biphasic

32
Q

Edema reduction using muscle pump
Amplitude?

A

visible fast contraction (twitching/pumping)

33
Q

Edema reduction using muscle pump
on:off times

A

equal on off
2-5 sec on
2-5 sec off
ex: 2:2

34
Q

Edema reduction using muscle pump
Treatment time?

35
Q

Edema reduction using muscle pump
Electrode placment?

A

Same as muscle contraction
Elevate

36
Q

High-rate (conventional)
Pulse frequency?

37
Q

High-rate (conventional)
Pulse duration?

A

100 microseconds

38
Q

High-rate (conventional)
Modulation?

A

use if available

39
Q

High-rate (conventional)
Treatment time?

A

As needed
give breaks for skin irritation

40
Q

Low-rate (acupuncture like)
Pulse frequency?

A

2-10 Hz (pps)

41
Q

Low-rate (acupuncture like)
Pulse duration?

A

150-300 microseconds

42
Q

Low-rate (acupuncture like)
Amplitude?

A

Motor visible contraction

43
Q

Low-rate (acupunture like)
Modulation?

A

Use if available

44
Q

Low-rate (acupuncture like)
Treatment time?

45
Q

Burst
Pulse frquency?

A

present at 10

46
Q

Burst
Clinical rational

A

delivered in bursts or packages similar mechanisms as low rate, but more tolerated than low rate

47
Q

Burst
Pulse duration?

A

100-300 microseconds

48
Q

Burst
Amplitude?

A

motor visible contraction

49
Q

Burst
Modulation?

A

use if available

50
Q

Burst
Treatment time?

51
Q

High-rate (conventional)
Clinical rational?

A

when sensation, but not muscle contraction will be tolerate such as after a recent injury when inflammation is present or tissues may be damaged by contraction

52
Q

Low-rate (acupuncture like)
Clinical rational?

A

when a longer duration of pain control is desired and muscle contraction is likely tolerated

53
Q

Interferential current
Clinical rational?

A

uses two channels with 4 pads to access a larger area, and has intersecting currents for greater depth and lower amplitude

54
Q

Interferential current
Pulse Frequency?

A

Carrier frequency 5000 Hz
Beat frequency 100Hz

55
Q

Interferential current
Pulse duration?

56
Q

Interferential current
Amplitude?

A

sensory strong tingling sensation

57
Q

Interferential current
Modulation?

A

Sweep - frequency
Scan - intensity

58
Q

Interferential current
Treatment time?

59
Q

Pre-modulated current
Clinical rational?

A

uses one channel with fluctuating current amplitude like IFC
Interferes in e-stim machine

60
Q

Pre-modulated current
Pulse frequency?

A

Carrier frequency 5000Hz
Beat frequency 100 Hz

61
Q

Pre-modulated current
Pulse duration?

62
Q

Pre-modulated current
Amplitude

A

sensory strong tingling sensation

63
Q

Pre-modulated current
Modulation?

A

sweep - frequency
scan - intensity

64
Q

Pre-modulated current
Treatment time?

65
Q

Muscle strengthening - pulsed biphasic
Clinical rational?

A

can use for large or small muscle groups

66
Q

Muscle strengthening - Russian
Clinical rational?

A

best for large muscles

67
Q

FES/ Muscle re-education
Clinical rational?

A

functional tasks

Foundations 2 (2 decks)

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