Dotanuki
Known Reviewer
Pelvis floor exercises assist in controlling the opening and closing where the urethra connects to the vans deferans. The pumping action comes from the bulbospongiosus muscles. Rate and force of urination is correlated to amount in the bladder and the strength of the muscles surrounding it. But urination involves release and not needing active contraction. No contraction no ejaculation though it's involuntary.
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