Muscle equilibrium: fact or fancy.
D001696:Biomechanical Phenomena; D003491:Cybernetics; D004576:Electromyography; D005152:Facial Muscles / Q000502:physiology*; D006801:Humans; D008310:Malocclusion / Q000628:therapy; D008962:Models, Theoretical; D009971:Orthodontics, Corrective; D013027:Space Maintenance, Orthodontic; D014059:Tongue / Q000502:physiology*