EMS devices cause the burning of calories in the following way: calories are burnt in significant amounts
when most of the body is involved in physical exercise. It optimally requires several muscles, the heart and the respiratory system all engaged at once. Muscle developing and cardiovascular training can in turn increase metabolism and lead to a greater number of burnt calories, so energy consumption is increased. Muscle development is extremely important, the more muscle someone has, the more effective fat burning will be, even while at rest.