Prostate-specific antigen is not increased in young men by ultraendurance sport performances. Study strengths include the large sample size and the collection of multiple cycles of data over a year period. International Journal of Sports Medicine15 Data analysis Exercise categories were based on their frequency distribution in the sample. Total motile sperm TMS, units:
Physical activity and semen quality among men attending an infertility clinic
After these exclusions, 2, men contributing 4, fresh semen samples remained. Sperm motility has been demonstrated to be lower than that at baseline in men who participate in cycling Hajizadeh Maleki et al. Advertising revenue supports our not-for-profit mission. The mean and median number of samples provided per man was two range: Obesity is often associated with altered sperm parameters. In addition to influencing the sperm concentration, exposure to altitudes higher than 2,m may result in reductions in sperm motility and the number of spermatozoa with normal morphology Pelliccione et al. Associations with prostate-specific antigen and age-related prostate conditions.