Anal profilometry, a method of investigating the physiology of the anal canal and the pelvic floor.

Fifty women and 50 men without diseases in their minor pelvis were investigated with anal profilometry. The method were tested with different sizes of catheters and different perfusion rates. The profiles have been superimposed to demonstrate similaryties. To demonstrate the influence of the levator any muscles on the profile 5 patients were investigated, before, during and after extradural analgesy.