Podcast
Questions and Answers
What is the primary use of Interferential Current (IFC)?
What is the primary use of Interferential Current (IFC)?
The biphasic balanced waveform of IFC results from the mixing of two currents of the same frequency.
The biphasic balanced waveform of IFC results from the mixing of two currents of the same frequency.
False
What electrode configuration is used in Interferential Current therapy to achieve current mixing at the targeted tissue?
What electrode configuration is used in Interferential Current therapy to achieve current mixing at the targeted tissue?
Quadripolar
In IFC, the _______ modulates frequency to prevent accommodation.
In IFC, the _______ modulates frequency to prevent accommodation.
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Match the type of electrode placement with their description:
Match the type of electrode placement with their description:
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Which of the following is an advantage of using bipolar (premodulated) electrode placement?
Which of the following is an advantage of using bipolar (premodulated) electrode placement?
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Study Notes
Interferential Current (IFC)
- Biphasic balanced waveform, sinusoidal because of the mixing of 2 currents of different frequencies.
- Used only for pain relief.
- The intersection of 2 channels delivering current with 2 different frequencies produces pulses delivered as beats (bps).
Electrode Placement
- Quadripolar: 4 electrodes from 2 channels in an X pattern surrounding area of pain. ALWAYS for IFC to provide current mixing at the targeted tissue.
- Bipolar (Premodulated): 2 electrodes from 1 channel surround the target tissue. X pattern not required since current mixing occurred in the machine and the premodulated current is delivered to both electrodes.
- Bipolar (Premodulated) Advantage: ability to treat multiple areas simultaneously (neck and back), areas that can’t accommodate 4 electrodes safely (upper trap or small areas on hand or foot).
IFC Parameters
- Sweep: modulates frequency to prevent accommodation (1-10 bps, 75-150 bps). Better than constant beat frequency.
- Scan: modulates amplitude of currents to increase the size of the treatment area.
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Description
This quiz covers the fundamentals of Interferential Current (IFC) therapy, including its waveform characteristics, electrode placement techniques, and treatment parameters. Test your knowledge on how IFC is used specifically for pain relief and the advantages of different electrode configurations.
