interferential current


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in·ter·fe·ren·tial cur·rent

(IFC) (in'tĕr-fĕr-en'shăl kŭr'rĕnt)
An electrotherapeutic modality that employs the interference of two medium-frequency polyphasic sine waves to produce a low-frequency modulated sine wave over the area of treatment.

interferential current

(ĭn″tĕr-fĕ-rĕn′shăl),

IFC

A form of electrotherapy in which a current having specific properties is used to alleviate pain or facilitate healing in deep body tissues. The current used in IFC is produced by the interference of two medium-frequency (kiloHertz) sinusoidal alternating currents of slightly different frequencies. The nature of this interference creates an amplitude-modulated current that can be adjusted to produce various physiological effects.
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The other group received Interferential current (IFC) treatment from IFC machine (ENRAF-NONIUS), by a four-pole method with Dipole vector (automatic).
Physiological and therapeutic effects of interferential currents are expressed by: control of pain (pain gate theory), motor stimulation (muscle contractions production), edema and inflammation reduction (by improving the local blood and lymphatic circulation) and muscular spasms reduction and relief.
An investigation into the analgesic effects of different frequencies of the amplitude-modulated wave of interferential current therapy on cold-induced pain in normal subjects Arch Phys Med Rehabil 2003:84; 1387-94.
Interferential current (IC) can alter nerve conduction, in addition to stimulating the central mechanisms of analgesia.
The effect of combined therapy (ultrasound and interferential current) on pain and sleep in fibromyalgia.
Treatment included interferential current (IFC), soft tissue trigger point therapy and lateral recumbent sacroiliac and lumbar spine Diversified adjustments.
This was accomplished with interferential current (IFC) applied to the hypertonic thoracolumbar paraspinal muscles, followed by taping of the thoracolumbar spine into a position of slight extension bias (Figures 1A-C).
The initial plan of management consisted of interferential current therapy (on a continuous bipolar setting at 120 Hz for pain relief), Active Release Techniques[R] to the affected musculature, and spinal manipulative therapy of the cervical and thoracic spine.