تأثیر ۱۲ هفته تمرین تناوبی با شدت زیاد (HIIT)‌ بر عملکرد ریوی، سطوح سرمی لپتین و نیم‌رخ لیپیدی در مردان چاق غیرفعال

نویسندگان

1 دانشیار فیزیولوژ‍ی ورزشی، گروه آسیب شناسی و حرکات اصلاحی، دانشکده تربیت بدنی و علوم ورزشی، دانشگاه علامه طباطبائی، ‌تهران ، ایران

2 کارشناسی ارشد فیزیولوژی ورزشی، گروه فیزیولوژی ورزشی، دانشکده تربیت بدنی دانشگاه ارومیه،ارومیه، ایران

3 کارشناسی ارشد فیزیولوژی ورزشی، گروه فیزیولو›ی ورزشی، دانشکده تربیت بدنی دانشگاه ارومیه،ارومیه، ایران

چکیده

مقدمه ‌و هدف: به‌نظر می‌رسد چاقی و درصد چربی بدن با مشکلات تنفسی همراه است؛ هرچند سازوکار این هم‌بستگی به‌خوبی روشن نیست. بدین منظور، هدف پژوهش حاضر بررسی تأثیر ۱۲ هفته تمرین HIIT‌ بر غلظت‌های لپتین، نیم‌رخ ‌لیپیدی و کارکرد ریوی در مردان چاق غیرفعال بود.


مواد و روش‌ها: بیست‌ودو مرد چاق غیرفعال با دامنۀ سنی 18 تا 30 سال به‌صورت داوطلبانه در تحقیق حاضر شرکت کردند و سپس به‌صورت تصادفی به ۲ گروه کنترل (۱۱ نفر) و تمرین (۱۱ نفر) تقسیم شدند. آزمودنی‌های گروه تمرین به‌مدت 12 هفته، هفته‌ای 3 جلسه با ضربان قلب 70 تا 85درصد ضربان قلب بیشینه به تمرین پرداختند. سطوح سرمی لپتین و نیم‌رخ ‌لیپیدی و عملکرد ریوی قبل و بعد از برنامۀ تمرینی اندازه‌گیری شد. جهت تجزیه‌وتحلیل داده‌ها از روش‌های آماری تی جفت‌شده، ضریب هم‌بستگی پیرسون و تحلیل رگرسیونی در سطح معنی‌داری 05/0>p < /span> استفاده شد.


نتایج: سطوح لپتین (001/0=p < /span>) و کلسترول (001/0=p < /span>) بعد از ۱۲ هفته تمرین  HIITکاهش معنی‌داری نشان دادند. همچنین میزان HDL افزایش و تری‌گلیسیرید، LDL و VLDL کاهش غیرمعنی‌داری داشتند (05/0<p < /span>). درمورد شاخص‌های ریوی هم این نوع تمرین باعث افزایش معنی‌دار FVC شد (00۳/0=p < /span>).


نتیجه‌گیری: دوازده هفته تمرین HIIT می‌تواند میزان کلسترول و لپتین را در مردان چاق غیرفعال کاهش دهد که این کاهش با افزایش عملکرد ریوی مرتبط با تغییرات چربی بدن همراه شد که بیانگر اثرات مثبت فعالیت ورزشی HIIT بر تعدیل شاخص‌های مرتبط با چاقی می‌باشد.

کلیدواژه‌ها


عنوان مقاله [English]

The effect of 12-week high-intensity interval training (HIIT) on lung function, serum leptin level and lipid profiles in inactive obese men

چکیده [English]

Background and Objective: Obesity and body fat percentage seem to be associated with respiratory problems, although the mechanism of this correlation is not very clear. The aim of this study was to investigate the effect of 12-week HIIT training on lung function, serum leptin level and lipid profile in inactive obese men.


Materials and Methods: Twenty-two inactive obese men aged 18 to 30 years voluntarily participated in the study and randomly divided into two exercise (n = 11) and control (n = 11) groups. Subjects in the exercise group performed high-intensity interval training for 12 weeks, 3 sessions per week with a heart rate of 70 to 85% HRmax. Serum leptin level, lipid profile and lung (pulmonary) function were measured before and after 12 weeks of HIIT training. All statistical tests (paired sample T-test, Pearson correlation coefficient and regression analysis) were performed and considered significant at a p≤0.05.


Results: The results indicated a significant decrease in levels of leptin (p=0.001) and cholesterol (p=0.001) after 12 weeks of HIIT. Also, HDL non-significantly increased and triglycerides, LDL and VLDL were non-significantly decreased after 12 weeks of HIIT training (P>0.05). In the case of lung function, this type of exercise significantly increased FVC (p=0.003).


Conclusion: In conclusion, 12-week HIIT training decreased cholesterol and serum leptin in obese men and this decrease was associated with increased lung function and profound changes in body fat.

کلیدواژه‌ها [English]

  • High-Intensity interval training
  • Lipids
  • Leptin
  • FVC
  • FEV1
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