title: Evaluation of total muscular activity by quantification of electromyograms through a summing amplifier.
mesh_terms: D000669:Amplifiers, Electronic; D004566:Electrodes; D004576:Electromyography; D004581:Electronics / Q000295:instrumentation*; D006801:Humans; D009119:Muscle Contraction; D009132:Muscles / Q000502:physiology*