تستوسترون و کورتيزول بزاقي در ورزشکاران نخبه ي پاورلیفتینگ: ارتباط با علائم اوليه ي بيش تمريني
محورهای موضوعی : فصلنامه زیست شناسی جانوری
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کلید واژه: كورتيزول, تستوسترون, بيش‌تمريني, پرسشنامهي علائم اوليهي بيش‌تمريني, هورمون,
چکیده مقاله :
هدف از اين تحقيق بررسي ارتباط بين غلظت تستوسترون و کورتيزول بزاقي با نمرات حاصل از پرسشنامة علائم اوليهي بيش‌تمريني در ورزشکاران نخبهي پاورلیفتینگ بود. تعداد 15 نفر از ورزشکاران نخبهي پاورلیفتینگ (با ميانگين و انحراف استاندارد سن 8/3 ± 8/22 سال، قد 50/6 ± 178 سانتيمتر، وزن 30/10 ± 53/86 كيلوگرم، شاخص تودهي بدني 40/2 ± 07/28 كيلوگرم/مجذور قد به متر و چربي بدن 67/2 ± 87/9 درصد) به صورت هدف دار به عنوان نمونهي آماري انتخاب شدند. در روز استراحت نمونهي بزاق ورزشکاران طي سه مرحله (ساعت 8 و 11 صبح و 5 بعدازظهر) براي تعيين ميانگين غلظت اين دو هورمون در طول روز گرفته شد. در همان روز و بين مرحله ي اول و دوم نمونه گيري بزاقي پرسشنامهي علائم اولية بيش‌تمريني (طراحي شده توسط گروه مطالعات بيش‌تمريني انجمن فرانسوي طب ورزشي) شامل 54 سوال به صورت" بله، خير" به ورزشکاران ارائه شد. تجزيه و تحليل دادهها بين نمرات حاصل از پرسشنامه و غلظت تستوسترون رابطة قابل توجه و معکوس نشان داد (05/0 ≥ p). همچنين، بين نمرات حاصل از پرسشنامه و نسبت تستوسترون به کورتيزول رابطه معنادار و معکوس بدست آمد (05/0 ≥ p)، در حالي که بين نمرات حاصل از پرسشنامه و غلظت کورتيزول رابطه ي معناداري مشاهده نشد (05/0 ≤ p). با توجه به نتايج حاصل از تحقيق حاضر می‌توان عنوان كرد ميزان غلظت هورمون تستوسترون با ساير علائم پديده بيش‌تمريني كه با استفاده از پرسشنامه رواني علائم اوليه بيش‌تمريني به دست آمده است ارتباط معناداري دارد.
The purpose of this study was to investigate the relationship between score obtained from the overtraining questionnaire and the concentrations of salivary testosterone and cortisol in male Powerlifting. Fifty top-level male body-builders (Mean ± SD: age, 22.8 ± 3.8 y; height, 178 ± 6.5 cm; weight, 86.53 ± 10.3 kg; BMI 28.07 ± 2.4 kg/m2 and BF% 9.87 ± 2.67) volunteered to participate in the study. They were informed of the purpose and methods of the study before giving written consent to participate. They were asked to complete the overtraining questionnaire contains 54 question requiring answers of "yes" or "no". Then three saliva samples were taken immediately after getting up (at 8 am, 11 am and 5 pm) during a rest day. The results of data analyses showed a significant negative relation between the questionnaire score and testosterone concentration (p < 0.05, r = - 0.53) but not between the questionnaire score and cortisol concentration (p > 0.05, r = 0.22). Also, we noted a significant negative correlation between the testosterone/cortisol ratio and the questionnaire score (p < 0.05, r = - 0.52).
The results showed that the questionnaire may be a useful tool for monitoring and preventing overtraining syndrome. Therefore, the best way to use this tool would be to carry out extensive follow up of an athlete during a sporting season, in order to compare various states of progressive tiredness with a baseline determined before the start of the season.
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