Evolutionary, very simple to use and having a convivial and ergonomic software, the unit of rehabilitation YSY ER allow you to visualize in real time the work completed by the patient on a computer monitor. 2 EMGI Biofeedback Channels 1 Stimulation Channel 2 Biofeedback display Quantitative evaluation with cursor placing Work models included Work quantitification Protocols of treatment included Manual and automated uses Biphasic current with adjustable slopes