تاثیر سه ماه تمرین مقاومتی، سه ماه بی‌تمرینی، و سه ماه بازتمرینی بر سطوح سرمی IL-8 مردان میانسال

نوع مقاله : مقاله پژوهشی

نویسندگان

1 کارشناسی ارشد فیزیولوژی ورزشی، گروه تربیت بدنی، دانشکده ادبیات و علوم انسانی، دانشگاه لرستان، لرستان، ایران.

2 استاد فیزیولوژی ورزشی، گروه تربیت‌‌بدنی، دانشکده ادبیات و علوم انسانی، دانشگاه لرستان، لرستان، ایران

3 استادیار، فیزیولوژی ورزشی، گروه تربیت بدنی، دانشکده ادبیات و علوم انسانی، دانشگاه لرستان، لرستان، ایران.

چکیده

هدف: هدف پژوهش حاضر، بررسی تاثیر سه ماه تمرین مقاومتی، بی‌‌تمرینی، و بازتمرینی بر سطوح سرمی IL-8 مردان میانسال می‌‌باشد.
روش‌‌: در این مطالعه تعداد 40 مرد میانسال (30 الی 50 سال) واجد شرایط به‌‌صورت تصادفی انتخاب شدند و براساس شاخص‌‌های آنتروپومتریکی و یک تکرار بیشینه حرکات تمرینی، در دو گروه مداخله (EXE) (20 نفر) و کنترل (CTR)
(20 نفر) قرار گرفتند. هر دو گروه به‌طور متوالی یک دوره تمرین (12 هفته)، بی‌‌تمرینی (12 هفته) و یک دوره بازتمرینی
(12 هفته) را زیر نظر پژوهشگر انجام دادند. برای بررسی نتایج از آزمون‌‌های کولموگروف اسمیرنف و لون برای بررسی نرمال بودن داده‌‌ها و همگنی واریانس‌‌ها استفاده شد. همچنین برای مقایسه گروه‌ها در متغیرهای مورد مطالعه از آزمون واریانس با اندازه‌‌گیری‌‌های مکرر (Repeated Measure) در سطح معنی‌داری 0.05>P استفاده گردید.
یافته‌ها: براساس نتایج به‌‌دست آمده از آزمون تحلیل واریانس با اندازه‌‌گیری‌‌های مکرر، 12 هفته تمرین مقاومتی باعث افزایش سطوح سرمی IL-8 در مردان میانسال و دوره بی‌‌تمرینی (سه ماه) باعث برگشت این سطوح به حالت اولیه و 12 هفته بازتمرینی باعث افزایش بیشتر این سطوح نسبت به دوره تمرین اولیه شد.
نتیجه‌‌گیری: IL-8 در سازگاری‌‌های عضلانی ناشی از تمرین مقاومتی در پدیده حافظه عضلانی درگیر است، و به عنوان یک راهکار برای بهبود شرایط فیزیولوژیکی، افزایش سنتز پروتئین و همچنین افزایش قدرت، حجم و عملکرد توده عضلانی در افراد میانسال، در نظر گرفته شود.

کلیدواژه‌ها

عنوان مقاله [English]

The Impact of Three-Month Resistance Training, Three-Month Non-Training, and Three-Month Retraining on the Serum Levels of IL-8 in Middle-Aged Men

نویسندگان [English]

  • Hadis Mehrabifard 1
  • Masoud Rahmati 2
  • Rahim Mirnasouri 3
1 Master's Degree in Exercise Physiology, Department of Physical Education, Faculty of Literature and Human Sciences, Lorestan University, Lorestan, Iran
2 Professor of Exercise Physiology, Department of Physical Education, Faculty of Literature and Human Sciences, Lorestan University, Lorestan, Iran
3 Assistant Professor, Sports Physiology, Department of Physical Education, Faculty of Literature and Human Sciences, Lorestan University, Lorestan, Iran
چکیده [English]

Purpose: The study aims to examine the impact of three months of resistance training,
non-training, and retraining on the serum levels of IL-8 in middle-aged men.
Method: In this study, 40 eligible middle-aged men (aged 30 to 50 years) were randomly selected. They were divided into two groups based on anthropometric indicators and maximum repetition of exercise movements: an intervention group (EXE) consisting of 20 individuals, and a control group (CTR) also consisting of 20 individuals. Both groups underwent a training period
(12 weeks), a non-training period (12 weeks), and a retraining period (12 weeks) under the researcher's supervision. Kolmogorov-Smirnov and Lilliefors tests were used to assess data normality and variance homogeneity. The repeated measures analysis of variance test was employed to compare the groups on the studied variables, with a significance level set at P>0.05.
Findings: Based on the results obtained from the analysis of variance test with repeated measurements, 12 weeks of resistance training increases serum levels of IL-8 in middle-aged men. A non-training period (three months) causes these levels to return to their original state. Furthermore, 12 weeks of retraining increased these levels more than the initial training period.
Conclusion: IL-8 is involved in muscle adaptations caused by resistance training in the phenomenon of muscle memory. As a strategy for improving physiological conditions, increasing protein synthesis, and enhancing the strength, volume, and function of muscle mass in middle-aged individuals, it should be considered.

کلیدواژه‌ها [English]

  • Resistance training
  • Non-training
  • Retraining
  • IL-8 serum levels
  • Middle-aged men

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پژوهش های کاربردی در تغذیه ورزشی و علم تمرین
دوره 1، شماره 2
تیر 1403
صفحه 39-54

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