MB and rhabdomyolysis: Key words and their synonymous were used to sensitize the search by using the following query: “Whole-Body Electromyostimulation” or “whole body electrostimulation” or “whole body myostimulation” AND “risk factors” or “rhabdomyolysis” or “creatine kinase” or myoglobin” or “acute renal failure” or “renal damage” or “cardiac arrest” or “electrolytes” AND “adults.” Corresponding German key words were used.