Kerremans, R The parameters of the E.M.G. activity of the external anal sphincters and M. pubo-rectalis in normal adult and elderly subjects. [electronic resource] - Electromyography - 89-104 p. digital Publication Type: Journal Article ISSN: 0013-4732 Subjects--Topical Terms: Action PotentialsAdultAgedAnal CanalElectromyographyFemaleHumansMaleMiddle AgedMuscle ContractionMuscles--physiologyPelvisPosture