TENS Therapy to Reduce Exercise-Induced Pain in Women With Fibromyalgia

Conventional TENS (100 Hz, 60 ms pulse width) will be applied for 10 minutes prior to and during resistance exercise (2 sets of 10 reps at 60% 1RM leg press). TENS' intensity will be adjusted to produce strong paresthesia without pain. Electrodes will be placed on participant-identified most painful area. Resistance exercise will consist of two sets of ten repetition with 1 min rest

The participants will be able to see the same parameters as the conventional TENS (100 Hz, 60 ms pulse width) on the screen, but there will be no actual stimulation. Sham TENS will be applied for 10 minutes prior to and during resistance exercise (2 sets of 10 reps at 60% 1RM leg press). TENS' intensity will be adjusted to 4Hz for all participants in the Sham arm. Electrodes will be placed on participant-identified most painful area. Resistance exercise will consist of two sets of ten repetition with 1 min rest