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تأثیر یک دورة کوتاه مدت پیشسرمایی و مکملیاری کوآنزیم Q10 بر شاخصهای اکسایشی و ضداکسایشی و دمای مرکزی بدن شناگران نخبه | ||
پژوهشنامه فیزیولوژی ورزشی کاربردی | ||
مقاله 14، دوره 13، شماره 26، اسفند 1396، صفحه 173-190 اصل مقاله (402.61 K) | ||
نوع مقاله: مقاله پژوهشی | ||
شناسه دیجیتال (DOI): 10.22080/jaep.2017.10480.1519 | ||
نویسندگان | ||
علی امامی* 1؛ اصغر توفیقی2؛ سیامک عصری رضایی3 | ||
1گروه فیزیولوژی ورزشی و حرکات اصلاحی، دانشکدة علوم ورزشی، دانشگاه ارومیه، ارومیه، | ||
2دانشیارفیزیولوژی ورزشی، گروه فیزیولوژی ورزشی و حرکات اصلاحی، دانشکدة علوم ورزشی، دانشگاه ارومیه، ارومیه، ایران | ||
3دانشیار کلینیکال پاتولوژی، گروهبیماریهایدرونی و کلینیکال پاتولوژی، دانشکدة دامپزشکی، دانشگاه ارومیه، ارومیه، ایران | ||
تاریخ دریافت: 14 تیر 1395، تاریخ بازنگری: 15 آذر 1395، تاریخ پذیرش: 10 بهمن 1395 | ||
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 | ||
کوآنزیم Q10؛ پیشسرمایی؛ مالوندیآلدئید؛ ظرفیت آنتیاکسیدانی تام؛ دمای مرکزی بدن؛ تمرینات سنگین | ||
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 Emami1؛ Asgar Tofigi2؛ Siyamak Asri rezayi3 | ||
1Department of exercise physiology and corrective movement, Sport sciences faculty, Urmia University, Urmia, Iran | ||
2Associated professor of exercise physiology, Department of exercise physiology and corrective movement, Sport sciences faculty, Urmia University, Urmia, Iran | ||
3Associated 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 | ||
مراجع | ||
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