It began with the large-scale connection of households to a public power grid.

This is actually the time when electric current has become indispensable to people.

In the 60th

Most Soviet sports scientist had tested EMS training, which refer them as the first to explore

EMS.

Specifically, they tested EMS as the passive promotional method on suitability for their

professional elite athletes to achieve muscular tweaking. Following that, EMS training has also

been studied in the field of rehabilitation.