Electronic muscle stimulation, or EMS, was first developed in Russia during the 60′s and 70′s. Their primary use was to repair and build muscles. These EMS devices were based upon 19th and 20th century techniques that were used to determine the effects of electricity on muscles. Because ab belts are used to make muscles contract then relax once the pulses have ended, some ab belts have been created which use the contractions caused by pulses to build stronger and thicker muscles. Ab belts were then marketed to the general public between the 70′s and 80′s, but were mostly just ab belt scams that provided no results. However, during recent developments in EMS devices, systems today offer electronic muscle stimulation which… Read the rest!