Genitourinary Problems in Bicyclists

Asplund, Chad; Barkdull, Thad J.; Weiss, Barry D.

doi:10.1097/01.csmr.0000306497.53648.d5

Cited by 6 publications

(8 citation statements)

References 37 publications

(42 reference statements)

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“…Bicycling has been linked to genitourinary problems (15, 16), including nerve entrapment syndromes (50–91% of cyclists), erectile dysfunction (13–24%), and other less common symptoms (priapism, penile thrombosis, hematuria, torsion of spermatic cord, perineal nodular induration, and prostatitis) (16). Two studies among long-distance competitive cyclists reported changes in semen parameters including a lower percentage of sperm with normal morphology (17), a higher proportion of morphologically abnormal tapered forms (17), and reduced sperm motility (14).…”

Section: Discussionmentioning

confidence: 99%

“…In addition, elevated scrotal temperature associated with certain types of exercise may cause atrophy of the testicular germinal epithelium and adversely affect spermatogenesis (4, 13, 14). Bicycle riding has been linked to several genitourinary problems (15, 16), and two studies among competitive cyclists reported changes in semen parameters including abnormal sperm morphology (17) and reduced sperm motility during periods of racing (14). …”

Section: Introductionmentioning

confidence: 99%

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Physical activity and semen quality among men attending an infertility clinic

Wise

Cramer

Hornstein

et al. 2011

Fertility and Sterility

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OBJECTIVE-To examine the association between regular physical activity and semen quality. DESIGN-Prospective cohort study.SETTING-Couples attending one of three IVF clinics in the greater Boston area during 1993-2003. At study entry, male participants completed a questionnaire about their general health, medical history, and physical activity. Odds ratios (OR) and 95% confidence intervals (CI) were derived using generalized estimating equations models, accounting for potential confounders and multiple samples per man.PATIENTS-A total of 2,261 men contributing 4,565 fresh semen samples were enrolled before undergoing their first IVF cycle. INTERVENTION-None.MAIN OUTCOME MEASURES-Semen volume, sperm concentration, sperm motility, sperm morphology, and total motile sperm (TMS).RESULTS-Overall, none of the semen parameters was materially associated with regular exercise. Compared with no regular exercise, bicycling ≥5 hours per week was associated with low sperm concentration (OR=1.92, 95%CI=1.03-3.56) and low TMS (OR=2.05, 95%CI=1.19-3.56). These associations did not vary appreciably by age, body mass index, or history of male factor infertility.CONCLUSIONS-While the present study suggests no overall association between regular physical activity and semen quality, bicycling at levels of ≥5 hours per week was associated with lower sperm concentration and TMS.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Physical activity and semen quality among men attending an infertility clinic

Wise

Cramer

Hornstein

et al. 2011

Fertility and Sterility

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show abstract

“…The nerve can be injured at any point along its course but is frequently compromised by the baby's head at the level of the ischial spine during the 2 nd stage of labour. The nerve is also vulnerable during cycling by pressure on the saddle on the sacrotuberous and sacrospinous ligaments and is referred to as "Cyclist Syndrome" [8].…”

Section: Discussionmentioning

confidence: 99%

A Case of Pelvic Migraine

O’Brien¹

2015

OJOG

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A 62-year-old woman presented with an 8-year history of chronic persisting pelvic pain. She described constant throbbing, stabbing vaginal pain. A pelvic floor neurophysiological assessment of the pudendal nerve was performed by performing a needle EMG to the left and right external anal sphincter assessing for insertional activity and recruitment pattern. A quantitative assessment of the motor unit action potentials [MUAPs] was also performed. Tests confirmed a left pudendal neuropathy with chronic denervation in the left external anal sphincter, with reasonable muscle function, with a recruitment pattern of 65%-70% of normal. The CAR showed an elevated sensory threshold with a normal distal latency. All other conventional pudendal nerve treatments including oral antiepileptic medication, neuromodulation and pudendal nerve blocking injections had failed, and the patient was exacerbated by the persisting pain and discomfort. In this case, 30 international units (iu) of botulinum toxin type A in 10 divided doses of 3 iu were injected along the nerve. Four days later the patient reported a significant improvement in the pain symptoms. She was reviewed 3 weeks later and for the first time in 8 years had made the 70 mile journey to the clinic as a passenger in her husband's car. This case highlights a new therapeutic option of botulinum toxin type A injection, along the nerve length, for this common painful condition. It seems to have clinical veracity as unlike other therapeutic option the affect lasts for 3 or 4 months.

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“…In both cases, the symptoms spontaneously resolved after 4 and 7 weeks [21]. Another study discussed various prevention strategies in order to prevent “genitourinary problems commonly associated with cycling,” including pudendal neuropathy, infertility, hematuria, testicular torsion, and testicular cancer [22], while a different case report in the literature described urethral strictures in two brothers who regularly engaged in BMX racing [23].…”

Section: Bicycle Riding and Sexual Dysfunction In Menmentioning

confidence: 99%