Recently, bicycle sharing has become very popular, bringing a wave of national cycling fitness. The first time he went out to do something very far from home, he was used to cycling and wanted to stick to it as a workout, and rode for more than 2 hours to get home, but as soon as he got off the bike, he found that his perineum was numb. The actual fact is that you can find a lot of people who are not able to get a good deal on this. Professional male doctors help you answer. The sins of prolonged cycling in men can cause: genital numbness, erectile dysfunction, abnormal erections, penile thrombosis, infertility, prostatitis, hematuria, testicular cancer, etc. This is because the bicycle seat is narrow, when a person sits on the seat, can be completely unaware of the situation, the oxygen supply to the penis to zero, cyclists in half an hour of cycling this part will become numb, and numbness means that the testicles, prostate and other organs are squeezed, and these parts will be squeezed for a long time after the ischemia, edema, inflammation and other conditions, thus affecting the production of sperm and prostatic fluid and The normal secretion of sperm and prostatic fluid and semen may even lead to infertility in serious cases, and prolonged cycling is one of the causes of male infertility. How to reduce the damage of cycling? 1, the appropriate seat: you can choose roughly “U” shaped seat to reduce the pressure on the perineum; 2, the material of the pad: you can choose to fill the gel-like substance rather than foam sponge-type padding, the seat can effectively disperse the pressure on the pubic area; 3, the angle of adjustment: the front of the seat tilted down 10 degrees, the front of the Pressure than the horizontal reduction of 44%. 4, the height of the adjustment: appropriate adjustment of the seat and handlebars between the height of the relationship will greatly reduce the harm caused by riding. 5, the adjustment of time: continuous riding for about an hour, we should come down to walk for a minute or two, and then ride again. Like a long time cycling sports people, the way must pay attention to proper rest, such long-distance riding should not be too frequent, almost January 2, 3 times on it, each ride should be at least six months apart. As long as it is not a long time cycling, general cycling commuters and occasional cycling exercise friends will feel free to travel by bicycle, and for the need for a long time cycling enthusiasts or to tailor a car for themselves, with a shared car on their health irresponsible.