Gianni
Created page with "{{Main menu}} {{ArtBy| | autore= Enrico Maria Staderini | autore2= Gianni Frisardi }} <br /> ==General Information== A signal is, by definition, nothing more than the graphical representation of the temporal trend of a physical quantity. In the case of the surface electromyogram (sEMG), this quantity is the potential difference generated by the muscle during its contraction, which produces an electric current in the tissues and a potential difference that is ultimately..."