1 General introduction 17 “Slagter - Drawing Inferior view of the male pelvic diaphragm 2 - English labels” at AnatomyTOOL. org by Ron Slagter, LUMC and Marco DeRuiter, LUMC, license: Creative Commons AttributionNonCommercial-ShareAlike At rest, the pelvic floor muscles remain in a state of continuous contraction (postural reflex) and the contractile traction of the puborectalis maintains the anorectal angle at approximately 900.20 This function creates a mechanical barrier for the flow of stool and maintenance of continence.21 Contraction of the puborectalis muscle displaces the anorectum anteriorly and changes the anorectal angle. The functions of the pelvic floor include anatomic support for the pelvic and abdominal organs, storage and voiding and the pelvic floor plays an important role in sexual function.22-25
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