Berger, J., P. Berndt, C. Eifler, W. Kemmler, and M. Fröhlich. “Influence of WB-EMS on Strength Endurance Parameters and Subjectively Perceived Back Pain: A Multicentre Study”. Scientific Journal of Sport and Performance, vol. 4, no. 2, Mar. 2025, pp. 285-99, doi:10.55860/ULHO2155.