اثر 8 هفته تمرین تناوبی پرشدت بر ترکیب بدنی، نیمرخ چربی و حساسیت به انسولین در مردان جوان دارای اضافه وزن

نوع مقاله : علمی - پژوهشی

نویسنده

دانشگاه ازاد اسلامی واحد اسلامشهر

چکیده

تمرینات تناوبی پرشدت روشی است که با توجه به زمان کوتاه و حجم کم، در سالهای اخیر برای افرادی که زمان کافی برای تمرین منظم در اختیار ندارند، پیشنهاد شده است. هدف از این تحقیق بررسی تاثیر 8 هفته تمرین تناوبی پر شدت بر ترکیب بدنی و برخی شاخص های مرتبط با بیماری های متابولیک در مردان جوان دارای اضافه وزن بود. به این منظور 30 مرد جوان با میانگین سن 0/4 ± 14/21، قد 49/6 ± 1/176 و وزن 3/7 ± 86/84 به صورت تصادفی در دوگروه تجربی و کنترل (N=15) قرار گرفتند. گروه تجربی به مدت 24 جلسه در 8 هفته به تمرین تناوبی شدید پرداختند و گروه تجربی به زندگی عادی خود پرداخت. نمونه های خون و اندازه گیری های ترکیب بدنی قبل و بعد از 8 هفته تمرین از دو گروه  به عمل آمد. آزمون t مستقل نشان داد حساسیت به انسولین در گروه تجربی در مقایسه با گروه کنترل افزایش معنی دار یافته است (p≤0.05). میزان تریگلیسیرید خون نیز در گروه تجربی کاهش معنی داری را نشان داد(p≤0.05). سایر متغیرهای اندازه گیری شده شامل لیپوپروتئین های سبک و سنگین، کلسترول تام، درصد چربی بدن و شاخص توده بدنی در گروه های تحقیق تفاوت معنی داری با هم نداشت. یافته های این پژوهش بیانگر آن است که انجام تمرینات تناوبی پرشدت به عنوان یک روش تمرینی ، احتمالاً از طریق فعال سازی علائم سیگنالی خاص در سلولهای عضلانی، به بهبود حساسیت این سلولها به انسولین منجر می شود، اما به نظر نمی رسد حجم انرژی مصرفی در این تمرنیات بتواند به تغییر در ترکیب بدنی منجر شود.

کلیدواژه‌ها

عنوان مقاله [English]

The Effect of high intensity interval training on body composition, lipid profile and insulin sensitivity in overweight young men

چکیده [English]

High intensity interval training (HIIT) is a kind of exercise training that suggested for individuals with any sufficient time for regular training. The purpose of this study was to determine the effects of 8 weeks of HIIT on body composition and some indexes of relative to metabolic diseases in young men with overweight.For this aim thirty young men participants (age: 21.14±4.0, height: 176.1±6.4 and weight: 84.86±7.3) were randomly assigned to HIIT and control groups (n=15). HIIT groups exercised three times per week, 10-20 min per session for 8 weeks and control group. Baseline and after 8 weeks intervention blood samples and body composition analyze were assessed.Results from independent t test showed that insulin sensitivity and total triglyceride in HIIT group increased (p≤0.05). No changes in variables include total plasma cholesterol, cholesterol), LDL-C (low density lipoprotein-cholesterol), HDL-C (high density lipoprotein-cholesterol), fat percentage and body mass index occurred.These findings suggested that HIIT with low volume and time in comparison of traditional continues training, probably by activation of signal pathway in muscle cells, promoted insulin sensitivity of muscle cells, but cost of energy in HIIT, is not be enough for change in body composition.

کلیدواژه‌ها [English]

  • High intensity interval training
  • body composition
  • lipoprotein
  • Insulin sensitivity

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سابقه مقاله

  • تاریخ دریافت: 25 مهر 1394
  • تاریخ بازنگری: 01 اردیبهشت 1403
  • تاریخ پذیرش: 11 دی 1399
  • تاریخ اولین انتشار: 11 دی 1399
  • تاریخ انتشار: 01 خرداد 1395

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