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20 Jan Hemorrhoids develop when veins within or around the anus swell or bulge. Other factors can increase pressure as well, including sitting for long periods of time Riding a bike should not increase your risk of hemorrhoids.

Impaired anal sphincter function in professional cyclists. Information on anal pain, blood on the toilet tissue, history of hemorrhoids, anal fissure, abscess.

Impaired anal sphincter function in professional cyclists.

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Description:The purpose of our study was to assess anal function in professional mountain bikers, as an increasing number of cycling enthusiasts report functional and morphological problems in the anal region. We tried to find out if constant saddle vibration suffered by professional cyclists could lead to defecation disorders. The findings were compared with those of a control group CG of healthy volunteers who rode bikes less frequently. Both groups underwent rectal examination and anorectal manometry. Rectal sensation, rectal compliance and the anorectal inhibitory reflex were also assessed.

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