So often when one is looking for an electrotherapy device such as a "tens machine" or "muscle stimulator" or "pain machine" it gets totally baffling trying to compare what is the difference in machines.   This video is an attempt to take the mystery and confusion out of comparing tens units and other electrotherapy devices by explaining the basics of understanding electrotherapy.  

    This is a video making electrotherapy simple for patients and for professional clinicians.