viernes, octubre 07, 2005

el deporte es salud?

a continuación fragmentos de un articulo en el nyt.

A raft of new studies suggest that cyclists, particularly men, should be careful which bicycle seats they choose. The studies add to earlier evidence that traditional bicycle saddles, the kind with a narrow rear and pointy nose, play a role in sexual impotence. ...

... researchers in Austria have found that many mountain bikers experience saddle-related trauma that leads to small calcified masses inside the scrotum. ...

... Dr. Irwin Goldstein, who had studied the problem, asserted that "there are only two kinds of male cyclists - those who are impotent and those who will be impotent." ...

Cyclists became angry and defensive, he said, adding: "They said cycling is healthy and could not possibly hurt you. Sure you can get numb. But impotent? No way." ...

The area in question is the perineum, between the external genitals and the anus. "When you sit on a chair you never put weight on the perineum," Dr. Schrader said. "But when you sit on a bike, you increase pressure on the perineum" sevenfold

In men, a sheath in the perineum, called Alcock's canal, contains an artery and a nerve that supply the penis with blood and sensation. The canal runs along the side of a bone, Dr. Goldstein said, and when a cyclist sits hard on a narrow saddle, the artery and the nerve are compressed. Over time, a reduction of blood flow can mean that there is not enough pressure to achieve full erection. In women, Dr. Goldstein said, the same arteries and nerves engorge the clitoris during sexual intercourse. Women cyclists have not been studied as much, he added, but they probably suffer the same injuries

... The amount of oxygen reaching the penis typically falls 70 percent to 80 percent in three minutes. "A guy can sit on a saddle and have his penis oxygen levels drop 100 percent but he doesn't know it," Mr. Cohen said. "After half an hour he goes numb."...

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2 comentarios:

  1. que va si el deporte no tiene nada de saludable

    si lo que lo digamos los del PFC!!!

  2. Uy, pues gracias por la preocupación! Que conste en el acta que no se han presentado a la fecha las publicitadas consecuencias, pero por si las moscas buscaré un asiento más prostático. Sí, así les dicen. Tienen un hueco en la mitad y son más anchos, para aliviarle la cosa al perineo.