Systematic review demonstrates that whole-body electromyostimulation improves strength and power in athletes, suggesting a valuable training method.
Background: Given its practical advantages in terms of time efficiency, joint compatibility and extensive adaptability, whole-body electromyostimulation (WB-EMS) has gained considerable attention as a training method among athletes and sportspeople across numerous disciplines. The present systematic review and meta-analysis aimed to determine the impact of WB-EMS on maximum hip/lower-extremity strength and power. Methods: A systematic search of five literature databases was carried out up to 30 March 2025 in accordance with the PRISMA scheme. Effect sizes (SMD) and 95–confidence intervals (95–CI) were derived using a random-effect model incorporating the inverse heterogeneity approach. Results: Nineteen WB-EMS and 21 control groups were included. Overall, we observed favorable effects of this novel training technology on maximum strength (18 trials, SMD: 0.62, 95–CI: 0.08 to 1.16, I2 = 86%)) and power (8 trials, SMD: 0.38, 95–CI: 0.06 to 0.70, I2 = 15%). Subgroup analyses examining superimposed WB-EMS relative to voluntary exercise alone yielded low to moderate, yet statistically non-significant, effects on maximum strength (12 trials, 0.44, −0.20 to 1.08, I2 = 85%) and power (7 trials, 0.39, −0.02 to 0.81, I2 = 35%). Studies addressing the comparison of superimposed or non-superimposed WB-EMS against traditional dynamic resistance exercise reported largely equivalent outcomes for both strength and power development. Conclusion: Contingent upon the mode of application (superimposed, additional or optional), WB-EMS may exert a positive influence on maximum strength and power in sportspeople and athletes.
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Adams et al. (2026) studied this question.
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