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508 > Nmes > Flashcards

Nmes Flashcards

1
Q

Indications for NMES

A 
Retard or prevent disuse atrophy 
muscle reeducation
 maintain or increase joint mobility
 increased local blood circulation 
relax muscles spasms 
prevent Venus thrombosis in calf muscle immediately following surgery
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2
Q

What does NMES due to muscle fibers

A

Recruits large fast twitch fibers first with the smaller muscle fibers recruited later

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3
Q

What happens with recruited muscle fibers

A

Muscle fatigue more quickly

fine motor controls Limited

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4
Q

Powhatan kind of sensory input does nMES provide

A

Increased ability for the body to activate muscles
Kinesthetic info
proprioceptive info

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5
Q

Contraindications for nMES

A 
Over thoracic region 
pacemakers 
bladder stimulator's 
carotid sinus 
high  or hyposensitive pt
 cancer infection 
pregnant 
near diathermy devices 
unable to provide feedback 
area of pathology 
over superficial metal pins or hardware 
Where movt  is contraindicated
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6
Q

What is an NMES

A

Muscle contraction through stimulation of intact or partially from nervous system

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7
Q

What does NMES act as a substitute for

A

Orthotics

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8
Q

For CVA what is best for NMES

A

Intact or partially intact PNS

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9
Q

What kind of benefit can those CVA get

A

Emotional and physical

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10
Q

How is it used for relaxation of muscles spasm

A

Fatigue the muscle usually used with shoulder

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11
Q

How is it used for spasticity

A

Interrupts the abnormal cycle through muscle fatigue
high frequency
stimulation of the antagonist muscle leads to inhibition of the agonist

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12
Q

What is not achieved

A

Long term muscle control

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13
Q

What can It do in regards to healing

A

Stimulate bone growth and help with wound healing
Enhance callus development
mineralization

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14
Q

How to prevent muscle fatigue during it

A

LowFrequency and high intensity

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15
Q

How to judge muscle fatigue

A

Tremors in the muscle during contraction
decreased overall strength of contraction
decreased quality of movement during contraction

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16
Q

What Should you combine with it

A

Functional activity

17
Q

What is a smaller used for

A

Higher current density

18
Q

What is a larger electrode used for

A

Lower current density

19
Q

Monopolar electrode placement

A

Small electrode over motor point of muscle

dispersive electrode on the same side of body larger than active electrode

20
Q

BiPolar electrode placement

A

Two electrodes that are the same size

place an electrode at each end of the muscle belly

21
Q

Synchronous channel

A

Channel 1 and 2 deliver stimulation simultaneously

22
Q

Asynchronous channel selection

A

Stimulation will alternate between channel 1 and two

23
Q

Channel 2 delay

A

After a short delay stimulation from channel 2 occurs

24
Q

What to use a symmetrical waveform for

A

Large muscle

25
Q

To use asymmetrical waveform four

A

Small muscles

26
Q

How to choose the electrode size

A

Largest electrode that works without causing overflow to other muscles
3 inch for trunk and upper legs
2 inch for extremities

27
Q

What is active in a symmetrical wave form

A

Both electrodes

28
Q

What is active in a asymmetrical wave form

A

Negative is more active (placed over motor point)

29
Q

What pps is used to elicit mm fatigue

A

80

30
Q

What is a 1 to 5 ratio used for

A

Strengthening

31
Q

What is a 1:3 ratio for

A

Debilitated pt

32
Q

What is a 1:2 ratio for

A

Average person

33
Q

What is a 1:1 ratio used for

A

Athletes and conditioning

34
Q

What might you need a longer ramp for

A

Prevent stretch reflex in pts with spasticity

35
Q

What is accommodation

A

Increased stimulation is necessary to achieve result

36
Q

What do you document

A 
Goal
Electrode place,net and size
Tx time
On off ratio
Ramp
Intensity
Comments
Response to tx

508 (10 decks)

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