تأثیر تمرین مقاومتی- اینتروال هوازی بر درجه کبد چرب، ابعاد کبد و آنزیم‌های کبدی در زنان چاق یا دارای اضافه‌وزن مبتلا به کبد چرب

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی دکتری، گروه بیوشیمی و متابولیسم ورزشی، دانشکده علوم ورزشی، دانشگاه حکیم سبزواری، سبزوار، ایران.

2 استادیار، گروه فیزیولوژی ورزشی، دانشکده علوم ورزشی، دانشگاه حکیم سبزواری، سبزوار، ایران.

3 دانشیار، گروه فیزیولوژی ورزشی، دانشکده علوم ورزشی، دانشگاه حکیم سبزواری، سبزوار، ایران.

4 استادیار، گروه علوم پزشکی، دانشگاه آزاد اسلامی، شاهرود، ایران.

چکیده

مقدمه: چاقی، یکی از عوامل زمینه­ساز بیماری کبد چرب غیر الکلی است. ارائه راهکارهای درمانی همچون فعالیت بدنی در پیشگیری و درمان بیماری کبد چرب سودمند می­باشد. هدف از تحقیق حاضر تعیین تأثیر تمرین ترکیبی بر درجه کبد چرب، ابعاد کبد و آنزیم­های کبدی در زنان چاق یا دارای اضافه­وزن مبتلا به کبد چرب بود.
مواد و روش­ها: در تحقیق نیمه­تجربی حاضر، 22 نفر از زنان مبتلا به کبد چرب شهرستان شاهرود در سال 1397 به­صورت هدفمند انتخاب و به­طور تصادفی به دو گروه مساوی تمرین و کنترل تقسیم شدند. گروه تمرینی به مدت 12 هفته، 3 بار در هفته، تمرین اینتروال هوازی (5-2 ست 4 دقیقه­ای، شدت 75-70 درصد حداکثر ضربان قلب و 2 دقیقه استراحت فعال) همراه با تمرین مقاومتی (6 ایستگاه با 12-8 تکرار، 4-2 دایره) را اجرا کردند. گروه کنترل در طول این مدت فعالیتی انجام نداد. اندازه­گیری ترکیب بدن، سونوگرافی و نمونه­گیری­های خونی قبل و بعد از تمرین انجام شد. داده­ها توسط آنالیز واریانس با اندازه­گیری­های مکرر تجزیه و تحلیل شدند.
یافته­ها: دوازده هفته تمرین ترکیبی باعث کاهش معنی­دار ابعاد و درجه کبد (به ترتیب 001/0>p و 009/0=p) و کاهش غیرمعنی­دار آنزیم آلانین آمینوترانسفراز شد. تأثیر تمرین ترکیبی بر وزن و شاخص توده بدنی معنی­دار نبود.
نتیجه­گیری: با توجه به اینکه برنامه تمرینی ترکیبی (مقاومتی و اینتروال هوازی) مطالعه حاضر، باعث کاهش چربی کبدی مستقل از کاهش وزن شد، احتمالاً زنان مبتلا به کبد چرب بتوانند از این برنامه به عنوان یک درمان غیر­دارویی کمکی برای بهبود بیماری کبد چرب بهره گیرند.

کلیدواژه‌ها

عنوان مقاله [English]

The Effect of Resistance- Aerobic Interval Training on the Fatty Liver Grade, Liver Dimensions, and Liver Enzymes in Obese or Overweight Women with Fatty Liver

نویسندگان [English]

  • S Rajabi 1
  • R Askari 2
  • AH Haghighi 3
  • N Razavianzadeh 4
1 PhD Student, Dept of Sports Biochemistry and Metabolism, Faculty of Sports Sciences, Hakim Sabzevari University, Sabzevar, Iran.
2 Assistant Prof, Dept of Sports Physiology, Faculty of Sports Sciences, Hakim Sabzevari University, Sabzevar, Iran.
3 Associate Prof, Dept of Sports Physiology, Faculty of Sports Sciences, Hakim Sabzevari University, Sabzevar, Iran.
4 Assistant Prof, Medical Dept, Faculty of Medical Sciences, Islamic Azad University, Shahrood, Iran.
چکیده [English]

Introduction: Obesity is one of the causative factors of non-alcoholic fatty liver disease. Therefore, therapeutic strategies such as physical activity are useful in its prevention and treatment. The present study aims to investigate the effect of combined training on fatty liver grade, liver dimensions, and liver enzymes in obese or overweight women with fatty liver.
Materials and Methods: In the present semi-experimental research, 22 women with fatty liver in Shahrood in 2018 were purposefully selected and randomly divided into two equal training and control groups. Training group performed Aerobic Interval Training (2-5 sets of 4 minutes, the intensity of 70-75% of HR
max,
2 minutes active rest) with resistance training (6 stations with 8-12 repetitions, 2-4 circuits) for 12 weeks, 3 times a week. The control group did not perform any activity during this period. Body composition, ultrasound, and blood samples were measured before and after 12 weeks of training. Data were analyzed using repeated-measures ANOVA.
Results: The results showed that 12 weeks of combined training significantly reduced dimension and grade of the fatty liver compared with the control group (p<0/001 and p=0/009, respectively); further, a nonsignificant decrease was observed in Alanine Amino Transferees levels. The effect of combined training on weight and body mass index was not significant.
Conclusion: Given that the combined training program (resistance and aerobic interval) of the present study reduced liver fat independent of weight loss, women with fatty liver may be able to use this program as an adjunct non-pharmacological treatment to improve fatty liver.

کلیدواژه‌ها [English]

  • Combined training
  • Fatty liver grade
  • Liver dimensions
  • Liver enzymes
  • Fat women

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