ABGYMNIC Belt The ABGymnic works on the principle of EMS (Electronic Muscle Stimulation). This ABGymnic is an electric pulsating muscle toning device that will firm, tone, and tighten, your upper abs, lower abs and basically all other parts of your body you wish to firm and tone. This ABGymnic sends thousands of minute electrical pulses to your body to stimulate the contraction and relaxation of muscles. This is similar to the effect when you do any exercise form, for example, stomach crunches.The technology behind the ABGymnic has been used by professional athletes for many years. ABGymnic will show you immediate improvement without strenuous, time consuming workouts. You can control the 10 intensity levels and have a choice of 6 different exercise programs in 10 minutes