اثر هشت هفته تمرین استقامتی- مقاومتی روی برخی از شاخص‌های التهابی و استقامت قلبی- تنفسی زنان یائسه غیرفعال

نویسندگان

1 دانشیار گروه تربیت بدنی و علوم ورزشی، دانشکده علوم انسانی، دانشگاه آزاد اسلامی واحد رشت، رشت، ایران.

2 دانشجوی کارشناسی ارشد فیزیولوژی ورزشی، دانشکده علوم انسانی، دانشگاه آزاد اسلامی واحد رشت، رشت، ایران.

3 دانشجوی دکترای فیزیولوژی ورزشی، دانشکده علوم انسانی، دانشگاه آزاد اسلامی واحد رشت، رشت، ایران.

چکیده

مقدمه:شاخص­های التهابی خون به عنوان پیشگویی کننده بیماری­های قلبی- عروقی و نیز تشدید کننده عوامل خطرزا، حائز اهمیت است. فعالیت جسمانی به عنوان راهبردی در جهت کاهش خطر التهاب و بیماری مزمن، به خوبی شناخته شده است، اما اثرات تمرینات استقامتی- مقاومتی بر این شاخص‌ها تا حدود زیادی ناشناخته مانده است، لذا مطالعه حاضر با هدف بررسی تأثیر هشت هفته تمرین استقامتی- مقاومتی (ترکیبی) بر شاخص­های التهابی زنان یائسه انجام گرفت.
روش‌کار: این مطالعه کاربردی و نیمه تجربی از دی تا اسفند سال 1394 بر روی 22 زن یائسه در استان گیلان انجام شد. افراد به صورت تصادفی در دو گروه تجربی و شاهد قرار گرفتند. گروه تجربی، به مدت 8 هفته، هر هفته 3 جلسه و هر جلسه به مدت 90 دقیقه، تمرینات ورزشی را انجام دادند. تمرینات هوازی با شدت ۵۰% ضربان قلب هدف و تمرینات مقاومتی نیز با شدت ۵۰% حداکثر یک تکرار بیشینه شروع و در جلسات پایانی به ۸۰% افزایش یافت. متغیرهای التهابی شامل IL-6، TNFα و hs-CRP و استقامت قلبی تنفسی قبل و بعد از 8 هفته تمرین اندازه‌گیری شد. تجزیه و تحلیل داده­ها با استفاده از نرم‌افزار آماری SPSS (نسخه 22) و آزمون‌های تی زوجی و تی مستقل انجام شد. میزان p کمتر از 05/0 معنی‌دار در نظر گرفته شد.
یافته‌ها: نتایج نشان داد که 8 هفته تمرین ترکیبی اگرچه بر سطوح سرمی TNFα تأثیری نداشت، اما باعث کاهش معنی‌دار سطوح hs-CRP به همراه IL-6 و افزایش استقامت قلبی تنفسی پس از مداخله تمرین شد (001/0=p).
نتیجه‌گیری: تمرین ترکیبی با کاهش hs-CRP همراه با IL-6 و نیز بهبود استقامت قلبی تنفسی می‌تواند در پیشگیری از بیماری­های قلبی- عروقی مؤثر باشد.

کلیدواژه‌ها


عنوان مقاله [English]

Effects of eight weeks of endurance-resistance training on some inflammatory markers and cardiovascular endurance in sedentary postmenopausal women

نویسندگان [English]

  • Ramin Shabani 1
  • Leila Yosefizad 2
  • Fatemeh Fallah 3
1 Associate Professor, Department of Physical Education, Faculty of Humanities Sciences, Rasht Branch, Islamic Azad University, Rasht, Iran.
2 M.Sc. student in Exercise Physiology, Faculty of Humanities Sciences, Rasht Branch, Islamic Azad University, Rasht, Iran.
3 PhD student in Exercise physiology, Faculty of Humanities Sciences, Rasht Branch, Islamic Azad University, Rasht, Iran.
چکیده [English]

Introduction: Blood inflammatory markers are important as a predictor of cardiovascular disease and exacerbation of risk factors. Physical exercise is well recognized as an important strategy for reducing the risk of inflammation and chronic disease, but the effect of endurance-resistance exercises on these parameters is remained largely unknown. This study was performed with aim to investigate the effect of combine endurance-resistance training on inflammatory markers in sedentary postmenopausal women.
Methods: This applicable semi-experimental study was performed on 22 postmenopausal women in Gilan province in 2015. They were randomly assigned to two experimental and control groups). Experimental group performed the eight weeks exercise training, three sessions per week and each session was 90 minutes. Aerobic exercises began at 50% of target heart rate and resistance training with a 50% of one repetition maximum intensity and both exercise intensity increased to 80% in the final session. Before and after 8 weeks of training, inflammatory variables including IL-6, TNF-α and hs-CRP and cardiorespiratory endurance were measured. Data was analyzed by SPSS software (version 22) and paired and independent t-tests. PResults: The result showed that although 8 weeks of endurance-resistance training did not affect on serum TNF-α, however, it decreased hs-CRP along with IL-6 levels and increased cardiorespiratory endurance after the intervention (P=0.001).
Conclusion: Combined training with a reduction in hs-CRP along with IL-6 levels and an improvement of cardiorespiratory endurance can be effective in preventing cardiovascular diseases.

کلیدواژه‌ها [English]

  • Cardio-respiratory endurance
  • Endurance-resistance training
  • IL-6
  • TNF-α
  • hs-CRP levels
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