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اثر مکملیاری کوتاهمدت کافئین بر توان هوازی و بیهوازی، لاکتات و شاخص خستگی زنان ورزشکار در دوره قاعدگی | ||
پژوهشنامه فیزیولوژی ورزشی کاربردی | ||
دوره 19، شماره 38، اسفند 1402، صفحه 41-54 اصل مقاله (508.12 K) | ||
نوع مقاله: مقاله پژوهشی | ||
شناسه دیجیتال (DOI): 10.22080/jaep.2024.27110.2181 | ||
نویسندگان | ||
الهه کریمی1؛ جواد مهربانی* 2؛ پیام سعیدی3؛ مجتبی محمدی1 | ||
1دانشجوی کارشناسی ارشد فیزیولوژی ورزشی، دانشکده تربیت بدنی و علوم ورزشی، دانشگاه گیلان، رشت، ایران. | ||
2دانشیار گروه فیزیولوژی ورزشی، دانشکده تربیت بدنی و علوم ورزشی، دانشگاه گیلان، رشت، ایران. | ||
3استادیار گروه فیزیولوژی ورزشی، دانشکده تربیت بدنی و علوم ورزشی، دانشگاه گیلان، رشت، ایران. | ||
تاریخ دریافت: 22 اردیبهشت 1403، تاریخ بازنگری: 24 خرداد 1403، تاریخ پذیرش: 02 تیر 1403 | ||
چکیده | ||
اهداف: کافئین بهعنوان یک مکمل، اثرات ارگوژنیک فراوانی بر عملکرد ورزشی دارد، اما ارزیابی این آثار در دوره قاعدگی، بسیار اندک است. هدف مطالعه حاضر ارزیابی اثر مکملیاری کوتاهمدت کافئین بر توان هوازی و بیهوازی، لاکتات خون و شاخص خستگی در دوره قاعدگی زنان ورزشکار است. روش مطالعه: تعداد 32 زن ورزشکار (سن 6/1±86/21 سال)، (قد 06/0±64/1 متر) و (وزن 88/5±91/61 کیلوگرم) در یک طرح تصادفی و دوسوکور در دو گروه مکملیاری (16 نفر) و دارونما (16 نفر) قرار گرفتند. روز دوم قاعدگی فعالیت 30 ثانیهای وینگیت بهمنظور سنجش توان بیهوازی، لاکتات (2، 7 و 15 دقیقه بعد) و شاخص خستگی و فعالیت چرخ کارسنج آستراند برای توان هوازی اجرا شد. از روز سوم قاعدگی تا روز ششم روزانه 2 کپسول حاوی 4 میلیگرم/کیلوگرم وزن بدن کافئین یا دارونما مصرف و روز ششم، یک ساعت پس از مصرف آخرین کپسول، اندازهگیریها تکرار شد. یافته ها: آزمون تحلیل واریانس افزایش معنیداری در حداکثر، میانگین و حداقل توان بیهوازی و ضربان قلب و کاهش درک فشار بعد از پروتکل وینگیت پس از مصرف کوتاهمدت کافئین در دوره قاعدگی نشان داد (05/0>p). مصرف کافئین موجب کاهش لاکتات در دقایق 7 (002/0p=) و 15 (0001/0p=) در مقایسه با گروه دارونما شد. نتیجه گیری: یافته ها نشان داد دوز متوسط مصرف کافئین باعث بهبود عملکرد بی هوازی و درک فشار و کاهش سریعتر لاکتات میشود، اما تاثیری بر توان هوازی و شاخصهای خستگی در دوره قاعدگی ندارد. میتوان پیشنهاد کرد این ورزشکاران برای بهبود عملکرد بی هوازی میتوانند بهطور کوتاهمدت از کافئین استفاده کنند. | ||
کلیدواژهها | ||
چرخه قاعدگی؛ مکمل؛ خستگی؛ وینگیت؛ آستراند | ||
عنوان مقاله [English] | ||
Effect of Short-Term Caffeine Supplementation on Aerobic and Anaerobic Power, Lactate and Fatigue Index During Menstruation in Female Athletes | ||
نویسندگان [English] | ||
Elahe Karimi1؛ Javad Mehrabani2؛ Payam Saidie3؛ Mojtaba Mohammadi1 | ||
1Exercise Physiology Department, Faculty of Physical Education and Sport Sciences, University of Guilan, Rasht, Iran. | ||
2Exercise Physiology Department, Faculty of Physical Education and Sport Sciences, University of Guilan, Rasht, Iran. | ||
3Exercise Physiology Department, Faculty of Physical Education and Sport Sciences, University of Guilan, Rasht, Iran. | ||
چکیده [English] | ||
Objectives: Caffeine as a supplement has many ergogenic effects on exercise performance, but its effects during menstruation is challenging. The aim of the present study was to evaluate the short-term supplemental effect of caffeine on aerobic and anaerobic capacity, lactate and fatigue index during the menstrual period of female athletes. Methods: 32 female athletes (age 21.86±1.6 yrs, height 1.64±0.06 m and weight 61.91±8.88 kg) participated in a placebo-based, double-blind and randomized experimental trial and were divided into two supplement groups (n:16) and placebo (n:16). On the second day of menstruation, the 30-second Wingate test was performed to measure anaerobic power, lactate (2, 7 and 15 min) and the Ästrand cycle for aerobic power. From the third day of menstruation to the sixth day, 2 capsules containing 4 mg/kg of caffeine or placebo were taken daily, and on the sixth day, one hour after taking the last capsule, the measurements were repeated. Results: The mixed variance test showed a significant increase in the maximum, average and minimum anaerobic power and heart rate and a decrease in the perceived exertion of exercise after the Wingate test after short-term caffeine consumption during the menstrual period (p<0.05). Lactate was decreased in 7 and 15 min after Wingate protocol (p<0.05). Conclusion: The findings showed that a moderate dose of caffeine consumption improves anaerobic performance, perceived exertion, and rapid lactate reduction, but has no effect on aerobic power and fatigue indices during the menstrual cycle. It can be suggested that these athletes can use caffeine in the short term to improve anaerobic performance. | ||
کلیدواژهها [English] | ||
Menstruation Cycle, Supplementation, Fatigue, Wingate, Astrand | ||
مراجع | ||
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