تاثیر 4 هفته مکمل بتاآلانین بر پاسخ لاکتات سرم متعاقب آزمون بی‌هوازی وینگیت در مردان ورزشکار

نوع مقاله : مقاله پژوهشی Released under (CC BY-NC 4.0) license I Open Access I

نویسندگان

1 استادیار، گروه تربیت بدنی و علوم ورزشی، دانشگاه آزاد اسلامی، واحد مریوان، مریوان، ایران.

2 کارشناسی ارشد فیزیولوژی ورزشی، گروه فیزیولوژی ورزشی، دانشکده علوم انسانی و اجتماعی، دانشگاه کردستان، سنندج، ایران.

چکیده

هدف: شناخت اثر مکمل های ورزشی که بتوانند میزان غلظت لاکتات در فعالیت‌های شدید بی هوازی را تعدیل دهند برای ورزشکاران حائز اهمیت هستند. بنابراین هدف از این پژوهش تاثیر مکمل بتاآلانین بر غلظت لاکتات متعاقب آزمون بی‌هوازی وینگیت در مردان ورزشکار بود.
روش شناسی: روش پژوهش حاضر به صورت تجربی با طرح تصادفی، دوسوکور و کنترل شده با دارونما بود. جامعه آماری شامل ورزشکاران نیمه حرفه‌ای دو و میدانی بودند که 20 مرد ورزشکار داوطلب (سن: 5/2±6/22، قد: 9/2±6/187، درصد چربی: 58/1±7/12) به صورت تصادفی در دو گروه مکمل‌دهی بتاآلانین (28 روز و چهار دوز 6/1 گرم در روز) و دارونما (مالتودکسترین، 28 روز و چهار دوز 6/1 گرم در روز) بعنوان نمونه انتخاب شدند. نمونه های خونی در جلسات قبل از مکمل سازی و پس از مکمل سازی در سه نوبت (قبل از اجرای آزمون اول، بلافاصله پس از آزمون دوم و آزمون سوم وینگیت) جمع آوری شد.
یافته ها: در آزمون جلسه پس از مکمل سازی، سطوح لاکتات دو گروه مکمل و دارونما قبل از آزمون اول و پس از آزمون سوم باهم تفاوت معناداری داشتند و مقادیر آن در گروه مکمل کمتر از گروه دارونما بود (05/0p<).
نتیجه گیری: یافته های این پژوهش نشان داد که یک دوره 28 روزه مکمل‌دهی بتاآلانین می تواند سبب کاهش سطح لاکتات خون دوره ریکاوری در ورزشکاران نیمه حرفه‌ای دو و میدانی گردد.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

The effect of 4 weeks of beta-alanine supplementation on serum lactate response following the Wingate anaerobic test in male athletes

نویسندگان [English]

  • Hassan Faraji 1
  • Samira Jawanmard 2
1 Assistant Professor, Department of Physical Education and Sport Sciences, Islamic Azad University, Marivan Branch, Marivan, Iran.
2 Master of Science in Exercise Physiology, Department of Exercise Physiology, Faculty of Humanities and Social Sciences, University of Kurdistan, Sanandaj, Iran.
چکیده [English]

Aims: Understanding the effects of sports supplements that can modulate lactate concentrations during intense anaerobic activities is important for athletes. Therefore, the aim of this study was to determine the effect of beta-alanine supplementation on lactate concentration following the Wingate anaerobic test in male athletes.
Methods: The present study was an experimental, randomized, double-blind, placebo-controlled study. The statistical population consisted of semi-professional track and field athletes, of whom 20 male volunteer athletes (age: 22.6±2.5, height: 187.6±2.9, body fat percentage: 12.7±1.58) were randomly assigned to two groups: beta-alanine supplementation (28 days, four doses of 1.6 g/day) and placebo (maltodextrin, 28 days, four doses of 1.6 g/day). Blood samples were collected in three sessions before and after supplementation (before the first test, immediately after the second test, and the third Wingate test).
Results: In the post-supplementation session, lactate levels in the two supplement and placebo groups were significantly different before the first test and after the third test, and its values in the supplement group were lower than in the placebo group (p<0.05).
Conclusion: The findings of this study showed that a 28-day period of beta-alanine supplementation can reduce blood lactate levels during the recovery period in semi-professional track and field athletes.

کلیدواژه‌ها [English]

  • Beta-alanine
  • Wingate
  • anaerobic performance

 

Publisher: University of Kurdistan         Copyright © The Authors

This is an open access article distributed under the following Creative Commons license: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)

 

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