Interferential Flashcards

1
Q

What arrangement are electrodes placed in Interferential current?

A

Criss cross

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2
Q

What is it called when two sinusoidal waves are exactly in phase combine and the waves supplement each other?

A

Constructive interference

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3
Q

What is it called when 2 sinusoidal waves are exactly out of phase which results in cancellation of both wavesS?

A

Destructive interference

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4
Q

What is it called when there is a combination of constructive and destructive intereference resulting in a wave with a beat.

A

Heterodyne

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5
Q

True interferential uses how many channels and how may electrodes?

A

2 channels, 4 electrodes

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6
Q

What is the shape of the treatment area in true interferential?

A

Cloverleaf

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7
Q

Premod is used primarily for what?

A

Pain

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8
Q

Where does interference occur in premod?

A

The machine not the body like in IF

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9
Q

What size area is premod good for? How many electrodes?

A

Small, 2

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10
Q

What type of current is good for one seat of muscle groups??

A

Premod

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11
Q

Is premod specific but doesn’t penetrate deeply?

A

YES

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12
Q

What type of current does vector scan use?

A

True interferential

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13
Q

What is the electrode arrangement for vector scan?

A

Quadripolar

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14
Q

What size treatment area does vector scan use?

A

Large

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15
Q

How many electrodes and how many channels are used in sterodynamic ?

A

3 channels, 6 electrodes

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16
Q

What is the shape of the treatment field for stereodynamic?

A

6 petal flower

17
Q

What are some effects of IFC?

A

Pain reduction, muscle strengthening/re education (pelvic floor), increased circulation.

18
Q

What are the risks of IFC?

A

Skin irritation, diathermy devices (10 feet away)

19
Q

What is the treatment frequency (beat) for acute pain in IFC>

A

high setting- 80-150 (60-120)

20
Q

What is the treatment frequency (beat) for chronic pain in IFC?

A

Low setting 1-15 (0-15)

21
Q

What it’s he treatment frequency (beat) for a subacute pain in IFC ?

A

1-150 (200)

22
Q

What is the treatment time for IFC?

A

15-20

23
Q

What is the amplitude set to for IFC?

A

Patient comfort

24
Q

What is the amplitude for IFC for strength?

A

40-70 of MVC

25
Q

What is the frequency for IFC strength?

A

40-60 hz

26
Q

What is the duty cycle for premod strength?

A

10:50