how does electro-stim work?

My PT just used electro-stim on tense back muscles and she claims that it moves fluids through them.

As a physicist I know that my body is VERY electrically neutral so I don't see how the elecro-stim could move anything (although I do understand how it can mimic nerve signals that relax and tense the muscles).

How does this work? Is it in fact moving anything?

Posted By Kristy on March 09, 2009 at 23:28:35:

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