The system 1, wherein said electrostimulation unit generates different signals of varying duty cycles, or no signal at all, for {HEAD ~ portions} of {TAIL ~ the treatment} 
of
The system 1 , wherein said electrostimulation unit generates different signals of varying duty cycles , or no signal at all , for { HEAD ~ portions } of { TAIL ~ the treatment }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL