"In EMS training, the right intensity and, above all, the voluntary self-activation of the stimulated muscles is essential. Complex exercises make voluntary activation more difficult. This can compromise training results and increase the risk of injury."
Sources:
Paillard T: Training Based on Electrical Stimulation Superimposed Onto Voluntary Contraction Would be Relevant Only as Part of Submaximal Contractions in Healthy Subjects. Front. Physiol. 2018; 9: 1428.
Seyri K, Maffiuletti N: Effect of Electromyostimulation Training on Muscle Strength and Sports Performance.
Strength and Conditioning Journal 2011; 33: 70-75
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5/5/22