تأثیر یک دورة کوتاه مدت پیش‌سرمایی و مکمل‌یاری کوآنزیم Q10 بر شاخص‌های اکسایشی و ضداکسایشی و دمای مرکزی بدن شناگران نخبه

نوع مقاله: مقاله پژوهشی

نویسندگان

1 گروه فیزیولوژی ورزشی و حرکات اصلاحی، دانشکدة علوم ورزشی، دانشگاه ارومیه، ارومیه،

2 دانشیارفیزیولوژی ورزشی، گروه فیزیولوژی ورزشی و حرکات اصلاحی، دانشکدة علوم ورزشی، دانشگاه ارومیه، ارومیه، ایران

3 دانشیار کلینیکال پاتولوژی، گروهبیماری‌هایدرونی و کلینیکال پاتولوژی، دانشکدة دامپزشکی، دانشگاه ارومیه، ارومیه، ایران

چکیده

سابقه و هدف: فعالیت ورزشی شدید و طولانی در محیط گرم و شرجی، محرّک عروق احشایی در جهت تولید نامنظم گونه­های فعال اکسیژن (ROS) می­شود. هدف پژوهش حاضر بررسی پیش­سرمایی و مکمل­یاری دو هفته­ای کوآنزیم Q10 (CoQ10) بر مالون­دی­آلدئید (MDA)، ظرفیت آنتی­اکسیدانی تام (TAC) و دمای مرکزی بدن (Tc) شناگران نوجوان نخبه بود.
مواد و روش­ها: 32 شناگر پسر نخبه به­صورت تصادفی در چهار گروه مکمل­­یاری، پیش­سرمایی، مکمل­یاری+پیش­سرمایی و کنترل تقسیم شدند. آزمودنی­ها طی پروتکل 18 جلسه­ای صبح و عصر در تمرینات شنای سرعتی و استقامتی، هر جلسه به مسافت 5 کیلومتر شرکت کردند. آزمون­های آماری آنکووا،­ اندازه­گیری مکرّر و تی وابسته برای تحلیل داده­ها استفاده شد (α=0.05).
یافته­ها: تفاوت معنادار بین­گروهی برای شاخص­های MDA، TAC و Tc در مرحلة اوّل اندازه­گیری مشاهده نشد (P˃0.05)؛ امّا در مراحل دوم و سوم تفاوت معناداری مشاهده شد (P˂0.05). MDA و TAC گروه­های مکمل­یاری و پیش­سرمایی+مکمل­یاری نسبت به سایر گروه­­ها، به­ترتیب کاهش و افزایش معنادار نشان دادند. Tc گروه کنترل نسبت به سایر گروه­ها افزایش معناداری یافت.
نتیجه­گیری: مکمل­یاری CoQ10با افزایش سطح TAC از تغییرات نامطلوب MDA سِرمی و Tc شناگران حین تمرینات سنگین و رکورگیری ممانعت به­عمل ­می­آورد. اگرچه، این نتایج برای پیش­سرمایی حاصل نشد، امّا توانست Tc را کاهش دهد.

کلیدواژه‌ها


عنوان مقاله [English]

Effect of short-term Pre-cooling and Coenzyme Q10 supplementation on oxidative and antioxidativ and body core temperature indices in elite swimmers

نویسندگان [English]

  • Ali Emami 1
  • Asgar Tofigi 2
  • Siyamak Asri rezayi 3
1 Department of exercise physiology and corrective movement, Sport sciences faculty, Urmia University, Urmia, Iran
2 Associated professor of exercise physiology, Department of exercise physiology and corrective movement, Sport sciences faculty, Urmia University, Urmia, Iran
3 Associated professor of Clinical Pathology, Department of Internal Medicine and Clinical Pathology, Veterinary medicine Faculty, Urmia University, Urmia, Iran
چکیده [English]

Background and Purpose:Severe and long physical activity especially in a hot and humid environment produces reactiveoxygenspecies. The aim of this study was to determine the use of two weeks coenzyme Q10 (CoQ10) supplementation and pre-cooling strategy on serum oxidative stress (MDA), total antioxidant capacity (TAC) and body core temperature (Tc) indices during recording in elite swimmers.
Methodology:Thirty-two healthy male were randomly divided into four equal groups including supplementation, supplementation with pre-cooling, pre-cooling and placebo. All subjects were participated in 18 session’s protocol with speed and endurance swim workouts, a distance of 5 Km per session. Sampling were immediately obtained before first recording and before and after second recording. ANCOVA and Repeated measurement tests and Paired T-Testwere used for data statistical analysis (α= 0.05).
Results: The results showed that there was no significant statistical difference between MDA, TAC and Tc indices in the first stage among four groups (P>0.05). But there was a significant statistical difference for indices in the second and third stages (P˂0.05).
Conclusion: CoQ10 supplementation increases serum total antioxidant capacity and adverse changes swimmer’s malondialdehyde and Tc during drills and recording. Meanwhile, these results were no observed for the precooling but could reduce Tc.

کلیدواژه‌ها [English]

  • Coenzyme Q10
  • Pre-cooling
  • Malondialdehyde
  • Total antioxidant capacity
  • Body core temperature
  • Heavy trainings
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