تاثیر تمرینات مقاومتی به همراه مکمل دهی کنسانتره پروتئین شیر (MPC) بر سطوح سرمی فولستاتین و میوستاتین و هیپرتروفی عضلانی در بدنسازان مبتدی

نوع مقاله : مقاله پژوهشی Released under CC BY 4.0 license I Open Access I

نویسندگان

1 کارشناس ارشد فیزیولوژی ورزشی، گروه علوم ورزشی، دانشکدة علوم تربیتی و روانشناسی، دانشگاه شهید مدنی آذربایجان،تبریز-ایران

2 استادیار فیزیولوژی ورزشی، گروه علوم ورزشی، دانشکدة علوم تربیتی و روانشناسی، دانشگاه شهید مدنی آذربایجان،تبریز-ایران

10.22049/jahssp.2022.27812.1471

چکیده

هدف: بکارگیری تمرینات مقاومتی به همراه مصرف مکمل‌های غذایی از پرکاربردترین متدهایی است که باعث بهبود قدرت و افزایش هیپرتروفی عضلانی و بهبود عملکرد در ورزشکاران می‌شود. هدف از این تحقیق بررسی تاثیر تمرینات مقاومتی به همراه مکمل‌دهی کنسانتره پروتئین شیر بر سطوح سرمی فولستاتین و میوستاتین و هیپرتروفی عضلانی در بدنسازان مبتدی بود. روش شناسی: تحقیق حاضر از نوع نیمه تجربی بوده و جامعه آماری آن را مردان بدنساز مبتدی با دامنه سنی 20 تا 35 سال تشکیل دادند که 40 نفر به عنوان آزمودنی در این پژوهش شرکت کردند. آزمودنی ها به طور تصادفی به چهار گروه، تمرین - مکمل، تمرین - دارونما، مکمل و کنترل تقسیم شدند. آزمودنی­های دو گروه تمرینی در یک برنامه هشت هفته‌ای تمرینات مقاومتی هر هفته سه جلسه شرکت کردند. گروه­های مکمل روزانه یک بسته 30 گرمی کنسانتره پروتئین شیر به مدت هشت هفته در میان وعده­های غذایی ناهار و شام و بلافاصله بعد از تمرین­ها مصرف کردند. داده­ها با استفاده از تحلیل واریانس عاملی با اندازه‌گیری مکرر و تی همبسته مقایسه شدند. یافته­ ها: نتایج تحقیق نشان داد که تمرین مقاومتی با و بدون مکمل‌دهی منجر به افزایش معنی­دار سطوح سرمی فولستاتین (001/0=p)، حجم عضلانی (001/0=p) و قدرت عضلانی (001/0=p) و کاهش معنی­دار سطوح سرمی میوستاتین (002/0=p) نسبت به گروه کنترل شد. همچنین نتایج نشان داد مکمل‌دهی کنسانتره پروتئین شیر بدون تمرین بر سطوح سرمی فولستاتین و میوستاتین، حجم عضلانی و قدرت عضلانی در بدنسازان مبتدی تاثیر معنی‌داری نداشت (05/0<P). نتیجه ­گیری: با توجه به اثر معنی‌دار تمرینات مقاومتی بر فاکتورهای هایپرتروفی، مـی‌تـوان نتیجـه گرفت که انجام تمرینات مقاومتی با و بدون مکمل‌دهی پروتئین شیر به مدت هشت هفته می‌تواند بر کسب قدرت و حجم عضلانی بدنسازان مبتدی تاثیرگذار باشد.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Effect of Resistance Training with Milk Protein Concentrate (MPC) Supplementation on serum levels of Follistatin and myostatin and Muscle Hypertrophy in Beginner Bodybuilders

نویسندگان [English]

  • Reza Karimi 1
  • Rogyehe Fakhrpour 2
  • Azam Zarneshan 2
1 MSc in Exercise Physiology, Department of Sport Sciences, Faculty of Educational Sciences and Psychology, Azarbaijan Shahid Madani University, Tabriz, Iran.
2 Assistant Professor, Department of Sport Sciences, Faculty of Educational Sciences and Psychology, Azarbaijan Shahid Madani University, Tabriz, Iran.
چکیده [English]

Aim: The use of resistance training along with dietary supplements are the most widely used methods that improve strength and increase muscle hypertrophy and improve performance in athletes. The aim of this study was to evaluate the effect of resistance training with milk protein concentrate supplementation on serum follistatin and myostatin levels and muscle hypertrophy in novice bodybuilders. Methods: The present study is a quasi-experimental study and its statistical population consisted of beginner bodybuilders aged 20 to 35 years who participated in this study as 40 subjects. Subjects were randomly divided into four groups of exercise - supplement, exercise - Placebo, supplement and control were divided. Subjects from both training groups participated in an eight-week resistance training program three sessions per week. The supplement groups consumed a 30-gram pack of milk protein concentrate daily for eight weeks between lunch and dinner meals and immediately after exercise. Data were compared using repeated measures analysis of variance and correlated t-test. Results:  The results showed that resistance training with and without supplementation led to a significant increase in serum folate levels (p = 0.001), muscle volume (p = 0.001) and muscle strength (p = 0.001) and a significant decrease. Serum myostatin levels (p = 0.002) were higher than the control group. The results also showed that supplementation of milk protein concentrate without exercise had no significant effect on serum folate and myostatin levels, muscle volume and muscle strength in novice bodybuilders (P <0.05). Conclusion: Considering the significant effect of resistance training on hypertrophy factors, it can be concluded that resistance training with milk protein supplementation for eight weeks can affect the acquisition of strength and muscle mass of novice bodybuilders.

کلیدواژه‌ها [English]

  • resistance training
  • Milk protein concentrate
  • Folstatin
  • myostatin
  • muscle hypertrophy
Refrence
 
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دوره 9، شماره 1
فروردین 1401
صفحه 151-163
  • تاریخ دریافت: 25 اردیبهشت 1401
  • تاریخ بازنگری: 08 خرداد 1401
  • تاریخ پذیرش: 08 خرداد 1401
  • تاریخ اولین انتشار: 08 خرداد 1401