Electromyographic investigation of the facial muscles.
D000293:Adolescent; D000328:Adult; D000368:Aged; D004576:Electromyography; D005133:Eye Movements; D005149:Facial Expression; D005152:Facial Muscles / Q000502:physiology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009055:Mouth; D009068:Movement