ElectromyographyNeural ConductionNeedlesBiopsy, NeedleMuscle, SkeletalLaryngeal MusclesFacial MusclesBiomechanical PhenomenaNeck MusclesFasciculationMuscle ContractionNeuromuscular DiseasesNeedle SharingMuscular DiseasesBiopsy, Large-Core NeedleShoulderElectrodesBiopsy, Fine-NeedleUterine MonitoringComputers, AnalogVoice DisordersMovementTemporal MuscleAbdominal MusclesIsometric ContractionLegMuscle Cramp