The puborectalis muscle, which is one of the muscles that comprise the pelvic floor and plays an important role in both fecal continence and defecation, is tonically contracted and maintains the anorectal angle at rest.
focus@gh889 I made the same mistake... fecal INCONTINENCE meaning she CAN pass stool-- in fact, way too well... more than we want. Hypertonicity of the internal anal sphincter would cause constipation-like symptoms.+4
weirdmed51But unworld says decreased function of puborectalis leads to constipation!+1
akshat96Exactly! Thatโs I didnโt pick decreased functional of puborectalis.+
melanomaIn the question of UW the puborectalis muscle fails to relax and in the question of NBME the puborectalis muscle fails to contract.+1
leyVarious pregnancies cause instability in the pelvic floor muscles(ex:puborectalis muscle). Since she is 82 years old we can guess she has at least 1 pregnancy.+
submitted by โgabeb71(51)
The puborectalis muscle, which is one of the muscles that comprise the pelvic floor and plays an important role in both fecal continence and defecation, is tonically contracted and maintains the anorectal angle at rest.
here is a picture: https://www.123rf.com/photo_46940875_stock-vector-the-rectum-and-anus-showing-the-puborectalis-muscle-part-of-the-levator-ani-used-for-the-control-of-.html