Why does pee becomes harder to stop once you started peeing?
In: Biology
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I don’t think the real ELI5 is here yet.
Your pee works on a pressure system. Your sphincter is a valve holding that urine back. But once the valve opens, the pressure differential between your bladder and the outside world opens… the flow must go on. You can close that valve, but you are fighting against the flow of urine. It’s certainly doable, just harder and not what it was designed to do (as there would normally be no biological need to manually stop peeing). Like others have said, you can strengthen and “train” that muscle. Source: I’m in the water industry 😀
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There are two urethral sphincters that controll the release of urine. One is controllable, and the other is involuntary.
Once you start peeing, both are open, and while you can close the voluntary sphincter, you cant close the invomuntary one
Something like that. Its been many mokns since i studied the urinary system
This is a “stop test” and is used to assess pelvic floor muscle strength. If you dont stop your pee during micturation you can have weak pfm. On the other hand, holding pfm during pee is so dangerous can cause urgency urinary incontinence. If you want to improve your pfm you should go to pelvic floor pt also you can pfm exercises everytime not just during pee.
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When you release, then there is pee in the “pipe” as well as in the bladder. So cutting it off is harder because there is pee already coming through the place where you are trying to re-establish a seal.
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