تأثیر تعاملی عصاره آبی استویا و تمرین هوازی بر شاخص مقاومت انسولین و ترکیب بدن دختران و پسران چاق در دوران بلوغ

نوع مقاله : مقاله پژوهشی

نویسندگان

گروه علوم ورزشی، دانشکده علوم تربیتی و روانشناسی، دانشگاه سیستان و بلوچستان، زاهدان، ایران

چکیده

مقدمه و هدف: دوران بلوغ تحت تأثیر چاقی است. هدف، بررسی تأثیر تعاملی مصرف عصاره آبی استویا و تمرین هوازی بر شاخص مقاومت به انسولین و ترکیب بدن پسران و دختران چاق در دوران بلوغ بود.
مواد و روش ها: تحقیق نیمه تجربی؛ 60 پسر و دختر چاق ۱7-12 سال که در چهار گروه: تمرین هوازی، استویا، تمرین هوازی + استویا و کنترل قرار گرفتند. سطوح گلوکز و انسولین در حالت ناشتا اندازه گیری و شاخص مقاومت به انسولین به روش HOMA- IR محاسبه شد. آزمودنی ها به مدت ۱۲ هفته، هفته ای سه جلسه با شدت ۶۰ تا ۸۵ درصد ضربان قلب بیشینه تمرین کردند. مکمل به مدت 12 هفته روزانه 12 سی سی عصاره به صورت محلول در آب را در 3 نوبت پس از وعده غذای اصلی مصرف شد. داده‌ها با آزمون‌های تی­ وابسته و آنالیز واریانس یک­طرفه و آزمون بونفرونی در سطح معنی‌داری 05/0 p < با spss-22 تجزیه‌ و تحلیل شدند.
نتایج: کاهش شاخص توده بدنی، توده چربی بدن، انسولین و گلوکز سرم و همچنین افزایش توده خالص بدن در گروه تمرین هوازی+استویا در دختران و پسران معنی دار بود (05/0 ≥p). در همه گروه­ها بجز گروه کنترل کاهش HOMA-IR معنی دار بود؛ اما بین تغییرات آن در دو گروه تمرین هوازی و کنترل، تفاوت معنی داری مشاهده نشد.
نتیجه‌گیری: تمرین هوازی و مصرف عصاره آبی استویا تغییرات مطلوبی در HOMA-IR و ترکیب بدنی آزمودنی ها ایجاد کرد اما بخشی از این تغییرات حاصل فرایند طبیعی رشد در دوران بلوغ است.

کلیدواژه‌ها


عنوان مقاله [English]

Interactive effect of stevia aqueous extract and aerobic exercise on insulin resistance index and body composition of obese girls and boys during puberty

نویسندگان [English]

  • Mohsen Roknabadi
  • Mohammadreza Rezaeipour
  • Maryam Banparvari
  • Omid Mohammaddoost
Department of Sport Sciences, Faculty of Education and Psychology, University of Sistan and Baluchestan, Zahedan.Iran.
چکیده [English]

Background and Objective: Puberty is affected by obesity. The aim was to investigate the interactive effect of stevia aqueous extract consumption and aerobic exercise on insulin resistance index and body composition of obese boys and girls during puberty.
Materials and Methods: Semi-experimental research; 60 obese boys and girls aged 12-17 years who were divided into four groups: aerobic exercise, stevia, aerobic exercise + stevia, and control. Fasting glucose and insulin levels were measured and the insulin resistance index was calculated by the HOMA-IR method. Subjects practiced three sessions a week for 12 weeks with an intensity of 60 to 85% of maximum heart rate. Supplement for 12 weeks daily 12 cc of the water-soluble extract was taken 3 times after the main meal. Data were analyzed by paired t-test, one-way analysis of variance, and Bonferroni test at the significant level of p Results: The decrease in body mass index, body fat mass, insulin, and serum glucose as well as the increase in net body mass in the aerobic + stevia exercise group were significant in girls and boys (p < 0.05). HOMA-IR reduction was significant in all groups except the control group, but there was no significant difference between the changes in the two groups of aerobic exercise and control.
Conclusion: Aerobic exercise and consumption of aqueous stevia extract made favorable changes in the subjects' HOMA-IR and body composition, but some of these changes are due to the natural growth process during puberty.

کلیدواژه‌ها [English]

  • Aerobic training
  • Stevia aqueous extract
  • Insulin resistance index
  • Body composition
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