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

نویسندگان

1 گروه فیزیولوژی ورزشی، دانشکدۀ تربیت بدنی و علوم ورزشی، واحد اصفهان (خوراسگان)، دانشگاه آزاد اسلامی، اصفهان، ایران.

2 نویسندۀ مسئول، گروه علوم ورزشی، دانشکدۀ علوم انسانی، واحد خمینی‌شهر، دانشگاه آزاد اسلامی، اصفهان، ایران.

چکیده

مقدمه: اضافه وزن و چاقی در دوران نوجوانی با دامنۀ گسترده‌ای از عوارض و افزایش خطر بروز زودرس مشکلات جسمی، اختلالات روانی و برخی سرطان‌ها همراه است. ازاین‌رو تحقیق حاضر با هدف بررسی تأثیر 10 هفته تمرین اسپینینگ بر ترکیب بدنی، Vo2max و مقادیر هورمون گرلین در نوجوانان دارای اضافه وزن انجام گرفت.
روش پژوهش: در این تحقیق نیمه‌تجربی، با طرح پیش‌آزمون- پس‌آزمون و گروه کنترل، 30 نوجوان دارای اضافه وزن با BMI=26.8  کیلوگرم بر متر مربع، به ‌شیوۀ هدفمند انتخاب و با استفاده از روش تصادفی نظام‌مند به دو گروه 15 نفری (تمرین و کنترل) تقسیم شدند. پروتکل تمرینی اسپینینگ به مدت 10 هفته، سه جلسه در هفته و هر جلسه حدود 50 دقیقه با شدت 65 درصد ضربان قلب بیشینه به‎صورت فزاینده اجرا شد. خون‌گیری برای برآورد متغیرهای تحقیق و اندازه‌گیری قد، وزن و شاخص BMI، در دو مرحلۀ پیش‌آزمون و پس‌آزمون انجام گرفت. به‌منظور تجزیه‌وتحلیل داده‌ها از آزمون‌های کوواریانس با استفاده از نرم‌افزار SPSS26 در سطح معناداری ۰۵/۰ استفاده شد.
یافته‌ها: نتایج تحقیق کاهش معنادار وزن (001/0=P)، درصد چربی (001/0=P) و شاخص  BMI (001/0=P) و افزایش معنادار  Vo2max (001/0=P) و مقادیر هورمون گرلین را به‌دنبال 10 هفته تمرین اسپینینگ نشان داد (001/0=P).
نتیجه‌گیری: این یافته‌ها بیانگر آثار سودمند تأثیر تمرین اسپینینگ بر ترکیب بدن و Vo2max و مقادیر هورمون گرلین نوجوانان دارای اضافه وزن است. ازاین‌رو استفاده از تمرینات اسپینینگ به‌عنوان یک روش پیشگیری و درمانی مناسب در بروز اضافه وزن و چاقی به نوجوانان دارای اضافه وزن توصیه می‌شود.

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

The Effects of Ten Weeks of Spinning Training on Body Composition, Vo2MAX, and Ghrelin Hormone Levels in Adolescents With Overweight

نویسندگان [English]

  • Salar Abdellah Hamid Dana 1
  • Allahyar Arabmomeni 2

1 Department of Sports Physiology, Faculty of Physical Education & Sports Sciences, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran.

2 Corresponding Author, Department of Sports Sciences, Faculty of Human Sciences, Khomeinishahr Branch, Islamic Azad University, Khomeinishahr/Isfahan,

چکیده [English]

Introduction: Being overweight and obese during adolescence is associated with a wide range of complications and an increased risk of premature occurrence of physical problems, mental disorders, and some cancers. Therefore, the present study aimed to investigate the effect of ten weeks of spinning training on body composition, Vo2MAX, and Ghrelin hormone levels in adolescents with overweight.
Methods: In this quasi-experimental study, with a pre-test, post-test, and a control group design, 30 overweight adolescents with BMI=26.8 kg/m2 were selected purposefully, and using a systematic random method, they were assigned into two groups of 15 people (Training and Control). The spinning training protocol was implemented for 10 weeks, three times a week, and lasted about 50 minutes with an intensity of 65% of the maximum heart rate which was conducted incrementally. Blood samples were drawn to estimate research variables. The measurements of height, weight, BMI, and Vo2MAX were done in two pre-test and post-test phases. To analyze the data, Analysis of Covariance tests were used via SPSS26 software at a 0.05 level of significance.
Results: The results of the study showed a significant decrease in weight (P=0.001), fat percentage (P=0.001), and BMI index (P=0.001) and also a significant increase in Vo2MAX (P=0.001) and Ghrelin hormone levels (P=0.001) after 10 weeks of spinning training.
Conclusion: These findings indicate the beneficial effects of spinning training on body composition, VO2MAX, and Ghrelin hormone levels in overweight adolescents. Therefore, the use of spinning training is recommended as a suitable prevention and treatment method for overweight and obese adolescents.

کلیدواژه‌ها [English]

  • BMI
  • BF%
  • spinning training
  • VO2max

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