Why does urine flow automatically when skipping rope

In the process of rope skipping, urine automatically flows out, which is a common symptom of stress urinary incontinence. The body controls urination mainly by the cooperation of bladder detrusor muscle and urethral sphincter. When the body shows abnormalities, urine will flow out involuntarily. In the process of rope skipping, negative pressure will increase, and when the pressure transmitted to the bladder and urethra is uneven, bladder pressure will increase, and urine will flow out without corresponding urethral resistance increase. Women due to fetal compression pelvic floor during pregnancy, pelvic floor muscle compensatory elongation or even tear, in female menopause estrogen regression, muscle atrophy will be more obvious, this will lead to a sudden increase in abdominal pressure, urethral pressure can not resist, increase negative pressure urine free outflow.