Abdominal and thoracic pressures during defaecation.
D000005:Abdomen / Q000502:physiology*; D000328:Adult; D003672:Defecation; D005260:Female; D006551:Hernia, Hiatal / Q000209:etiology; D006801:Humans; D008297:Male; D008365:Manometry; D011187:Posture; D013909:Thorax / Q000502:physiology*