EMS training should not be used as a replacement for regular exercise, since there isn’t enough compelling evidence to suggest that it can make changes to your body composition or strength on its own. Instead, use an EMS suit in conjunction with your workouts to make them more challenging and effective. EMS training should not be used as a replacement for regular exercise, since there isn’t enough compelling evidence to suggest that it can make changes to your body composition or strength on its own. Instead, use an EMS suit in conjunction with your workouts to make them more challenging and effective.