Simultaneous EMGs from six sites during muscular relaxation: a comparison between forehead and forearm feedback.
D000328:Adult; D001676:Biofeedback, Psychology; D004576:Electromyography; D005260:Female; D005542:Forearm; D005546:Forehead; D006801:Humans; D008297:Male; D009119:Muscle Contraction; D009126:Muscle Relaxation