تاثير کوتاهمدت مکمل کراتين بر عملكرد سرعتي و ميزان دفع کراتين ادراري فوتساليستهاي غيرحرفهاي
مجله سلامت و ورزش: رویکردهای نوین (سورن),
دوره 2 شماره 2 (1400),
5 September 2021
,
صفحه 51-57
https://doi.org/10.22037/soren.v2i2.35282
چکیده
سابقه و هدف: امروزه از مکمل کراتین به عنوان یک ماده نیروزای بسیار پرکاربرد در بهبود اجرای ورزشی استفاده میشود. هدف تحقيق حاضر بررسي تاثير کوتاهمدت مکمل کراتين بر عملکرد دوهاي سرعت 100 متر و 60 ×6 متر و ميزان دفع کراتين ادراري فوتساليستهاي آماتور بود.
روش کار: تعداد 22 نفر از بازيکنان فوتساليست مرد دانشگاهي بصورت نمونههای دردسترس انتخاب و به صورت تصادفي در دو گروه کراتين و دارونما قرار داده شدند. گروه کراتين هر روز 20 گرم کراتين را در چهار وعده 5 گرمي و گروه دارونما همزمان چهار وعده 5 گرمي آرد گندم مصرف میکردند. قبل و بعد از دوره 7 روزه، نمونه ادراري و ركورد مواد 100 متر و 60 ×6 متر ثبت شدند. برای تجزیه و تحلیل دادهها آزمون آماري t وابسته و t مستقل استفاده شد (P≤0.05).
یافتهها: در گروه كراتين، مکمل كراتين در ماده 100 متر بهطور معناداري موجب كاهش ركورد آزمودنيها گرديد (P=0.01). در گروه تجربي، ميزان دفع كراتين ادراري در زمان پسآزمون بهطور معناداري بيشتر از پيشآزمون بود (P=0.001)، در حالي كه در گروه دارونما تفاوت معناداري مشاهده نشد (05/0P>). همچنين ميزان كراتين ادراري پسآزمون گروه كراتين بهطور معنادري بيشتر از گروه دارونما بود (P>0.05).
نتیجهگیری: بنظر میرسد مکمل کراتین عملکرد دو سرعتی را بهبود میدهد. با این حال تاثير كراتين بر اجراي سرعتي هنوز داراي ابهام بوده و اظهارنظر علمي دقيق در اين زمينه نياز به تحقيقات بيشتر دارد.
- كراتين
- عملکرد سرعتی
- فوتسالیست
- ATP
- فسفوکراتین
ارجاع به مقاله
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