New method of measuring forces in the anal canal.
D000328:Adult; D000368:Aged; D001003:Anal Canal / Q000502:physiology*; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D009119:Muscle Contraction; D009213:Myography; D012666:Semiconductors; D014159:Transducers; D014636:Valsalva Maneuver