EMS is an abbreviation for Electrical Muscle Stimulation, also known as neuromuscular electrical stimulation (NMES) or electromyostimulation, and it is the elicitation of muscle contraction using electric impulses.

The E-FIT equipments has been developed and tested over a long period of experimental research through intensive study of specific cases.
The current device is part of the 5th generation equipment-series specifically developed to stimulate the entire body throughout the training sessions.