[+]gardening0 points1 point1 point
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[–]gardening0 points
1 point
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(edited ago)
The internal anal sphincter is an involuntary muscle. When a poop knocks on the door, it opens up. Hence the conscious effort to hold a turd in. People sustain damage to their hiatal sphincters just by getting reflux. Physical insults and stretching could easily damage the nerves innervating the anus and cause you to literally leak crap. It's exit-only for a reason.
[–] gardening 0 points 1 point 1 point (+1|-0) ago (edited ago)
The internal anal sphincter is an involuntary muscle. When a poop knocks on the door, it opens up. Hence the conscious effort to hold a turd in. People sustain damage to their hiatal sphincters just by getting reflux. Physical insults and stretching could easily damage the nerves innervating the anus and cause you to literally leak crap. It's exit-only for a reason.