What is the fat-reducing principle of EMS lazy fitness?

The EMS passive fitness technology used by lazy people comes from Europe. It uses the principle of electric pulse to deeply stimulate human muscles and achieve the effect of active and passive movement. It only takes 20 minutes each time to achieve the effect of traditional gym 120 minutes aerobic exercise. Ordinary fitness enthusiasts only need to exercise eight times a month, and each time they can consume 500 calories. Through the afterburner effect, they will continue to burn 2000 calories in the next two days, so as to achieve the fitness purpose of reducing fat, increasing muscle and shaping.