Asian Journal of Sports Medicine
Sports Medicine Research Center, TUMS
Authors
The aim of this study was to compare the levels of serum immunoglobulin (IgA, IgM, IgG), testosterone and cortisol in semi-endurance elite runners during general preparation and competition phase of training.
Thirteen semi-endurance elite male runners with an average age of 18.921.7 years volunteered to take part in this study. The runners participated in the selected training for a period of 14 weeks and 12 sessions per week (in the morning and afternoon). Blood samples were collected during the three phases of training (before-preparation phase, after-preparation phase and before-competition phase). Data were analyzed by repeated measures and Bonferroni post hoc test, at a significance level of
The levels of serum IgM in semi-endurance elite runners after preparation phase reduced significantly (
Findings indicated that long and intensive exercises weaken the immune system, while moderate and short drills strengthened this system.
© 1970, Author(s). This open-access article is available under the Creative Commons Attribution 4.0 (CC BY 4.0) International License (https://creativecommons.org/licenses/by/4.0/), which allows for unrestricted use, distribution, and reproduction in any medium, provided that the original work is properly cited.
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