Force in the anal canal and anal continence.
D000328:Adult; D000368:Aged; D001003:Anal Canal / Q000502:physiology*; D003371:Cough; D004594:Electrophysiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D012812:Sigmoidoscopy; D014636:Valsalva Maneuver