A member asked:

How effective is an electrotherapy unit that runs on a 9v battery?

A doctor has provided 1 answer

Muscle stim?: If this is an electric muscle stimulator, the ones that actually work usually plug into the wall and you can raise the intensity up to their really hurting. The ones that don't work run off little batteries and just deliver a slight twinge. Maybe this is what you are describing.

Answered 12/20/2012

5.4k views

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