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Table 1 Parameters of TENS

From: Effects of transcutaneous electrical nerve stimulation (TENS) on proinflammatory cytokines: protocol for systematic review

Parameters Characteristics
Frequency High: from 80 to 150 Hertz (Hz)
Low: from 1 to 20 Hertz (Hz)
Intensity Low, moderate, high
Pulse width (duration) 50–250 micro seconds (μs)
Treatment time Time in minutes (one session)
Duration of treatment (days)
Modulation Traditional TENS: high frequency (80–150 Hz), short pulses and intensity is often described as “Strong but comfortable”.
(Pain gate activation)
Acupunture TENS: lower frequency (1–5 Hz) with longer pulses (200–250 μs), and the intensity be greater than traditional TENS resulting in strong sensation.
(opioid system activation)
Application (interface) Non-invasive: electrodes
Invasive: needles (electroacupunture)
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