It is worth know about all the section of the large intestine when it comes to anal sex anatomy. While for most people anal sex is only about getting an average human penis through the anus and into the rectum, for most there are many questions and concerns about cleaning the ass out and how far you have to go to get it “clean”. Then there are other who are into depth play either with toys or a human hand (sic. elbow deep fisting and beyond). So this first illustration names the main features of the large intestine. As you read in more depth on various subject, you might want/need to come back to this illustration to get an understanding of what bit is what.
Hi @tyerion. First up your pubo-rectal sling is not the issue. It is located about 1 inch in at the junction or the anus and rectum and forms a part of the muscle group that constitutes your Inner and Outer anal sphincters ( see:- [puborectalis muscle][http://www.studydroid.com/imageCards/0a/lf/card-11189363-back.jpg])
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