Does Cycling Cause Impotence?

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The statement "Cycling causes impotence" took the world by a storm in the late 1990s and it was largely based on research by Irwin Goldstein who believed that there was a link between cycling and impotence. This has been proven to be untrue. While cyclists typically suffer from numbness, there is no real scientific evidence to prove that it causes impotence.

His research concluded that a bike saddle can compress the perineal region, restricting blood flow and therefore leading to impotence. One of his other sensational comments was that "Cycling should be banned and outlawed". The general scientific community did not accept his ideas since Goldstein's research had several limitations including: small sample sizes, questionable methodologies and never peer-reviewed.

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One of the main benefits accrued from the findings was that bicycle saddle manufacturers took notice and begun re-designing saddles to increase comfort levels and blood flow.

Minkow and Sommer tested more than 20 different saddles on large numbers of volunteers and they found that not one seat would ever fully eliminate compression. Minkow stated that "we found that it only takes a minute for blood flow to be compromised".

Roger Minkow became one of the leading experts in saddle design after the statements by Goldstein hit the world headlines. Minkow realized one of Goldstein's main draw-backs in the methodology to determine blood flow could not be administered while the subject was actually pedaling on the bike, only if the subject was sitting stationary.