There is lots of resource such as the nuremberg university (2009), the university of cologne, Germany sports (2008), and bart's heart clinic (2010) are published research articles about EMS training efficiency. In Germany thanks to root university researchers through six weeks of EMS training delivered the following data:
Eighty-five percent of the subjects had a significant change in body shape after six weeks.
Full-body electrical pulse training increased the intensity of traditional weight training by 40 percent
Participants increased their maximum strength by an average of 12 percent
Participants improved their endurance and physical fitness levels by 69 percent.