title: Electromyograph biofeedback as a relaxation technique: a critical appraisal and reassessment.
mesh_terms: D001676:Biofeedback, Psychology; D004576:Electromyography; D005546:Forehead; D006801:Humans; D009119:Muscle Contraction; D009126:Muscle Relaxation; D012064:Relaxation Therapy