[Studies on the postural reflex in dental practice. 2. Electromyographic activities of the trapezius muscle].
D001415:Back / Q000502:physiology; D003815:Dentists; D006801:Humans; D009129:Muscle Tonus; D009132:Muscles / Q000502:physiology*; D009334:Neck Muscles / Q000502:physiology; D011187:Posture; D012782:Shoulder / Q000502:physiology*