title: Significance of EMG surface electrode placement models and headache findings.
authors.forename: L G
authors.initials: LG
authors.lastname: Hudzinski
authors.forename: G S
authors.initials: GS
authors.lastname: Lawrence
mesh_terms: D000328:Adult; D001676:Biofeedback, Psychology / Q000502:physiology; D004576:Electromyography; D005152:Facial Muscles / Q000503:physiopathology; D005260:Female; D005546:Forehead; D006261:Headache / Q000503:physiopathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009119:Muscle Contraction