Head posture and masticatory muscle function. An EMG investigation.
D000328:Adult; D004576:Electromyography; D006257:Head / Q000033:anatomy & histology*; D006801:Humans; D008297:Male; D008406:Masseter Muscle / Q000502:physiology; D008409:Mastication; D008410:Masticatory Muscles / Q000502:physiology*; D009119:Muscle Contraction