Spes Medica adhesive electrode has a special shape and a specific size studied to permit a perfect registration even from the small muscles. The solid gel is developped especially for this application and give to the electrode a stable adhesion on the skin and it can be repositioned many times without the risk to dirt the skin of the patient. The electrode is made by biocompatible soft materials that permit the best comfort to the patient. The special manufacturing technique “Hot-melt” gives a strong connection between the electrode and the lead-wire.