نوع مقاله : مقاله پژوهشی Released under (CC BY-NC) license I Open Access I
نویسندگان
1 گروه تربیت بدنی و علوم ورزشی، دانشکده ادبیات و علوم انسانی، دانشگاه شهرکرد، شهرکرد، ایران
2 گروه فیزیولوژی، دانشگاه اصفهان
3 گروه تربیت بدنی و علوم ورزشی، دانشگاه اردکان، یزد، ایران
4 گروه علوم ورزشی، دانشگاه لرستان، لرستان، ایران
چکیده
مقدمه: وزن بدن از طریق تعادل بین دریافت غذا و انرژی مصرفی تنظیم میشود. هورمون گرلین باعث افزایش اشتها و مصرف غذا میگردد. هدف از این پژوهش بررسی تاثیر ترتیب تمرین ترکیبی بر سطوح گرلین و انرژی مصرفی زنان دارای اضافه وزن بود.
روش: 30 آزمودنی زن دارای اضافه وزن (با دامنه سنی 18 تا 32 سال و شاخص توده بدنی بالاتر از 25 کیلوگرم بر متر مربع) انتخاب و به شکل تصادفی به سه گروه تمرینات استقامتی- مقاومتی ( E+S)، تمرینات مقاومتی–استقامتی ( S+E) و کنترل تقسیم و هشت هفته، هفتهای سه جلسه تمرینات ترکیبی مقاومتی و استقامتی با ترتیب متفاوت انجام دادند. 24 ساعت قبل و 48 ساعت بعد از دوره تمرین سطوح گرلین به روش الایزا و انرژی مصرفی روزانه آزمودنیها از فرمول هریس بندیکت اندازهگیری شد. تغییرات در متغیرهای وابسته ناشی از مداخله تمرینی با آزمون تحلیل واریانس یک راهه (ANOVA) و آزمون تعقیبی LSD و با استفاده از نرم افزار SPSS آنالیز شد.
یافتهها: نتایج نشان داد مداخله S+E وE+S باعث افزایش معنیدار (p<0.05) انرژی مصرفی نسبت به گروه کنترل شد و تاثیر معنیداری بر سطوح گرلین نداشت (p>0.05). همچنین بین تاثیر مداخله-های E+S ، S+E نسبت به یکدیگر تفاوت معنیداری بر سطح گرلین و انرژی مصرفی زنان چاق وجود نداشت.
نتیجهگیری: به نظر میرسد بدون توجه به ترتیب اجرا، تمرین ترکیبی بر افزایش انرژی مصرفی زنان دارای اضافه وزن تاثیر دارد و تاثیر معنیداری بر سطوح گرلین ندارد و این شیوه تمرینی برای کاهش وزن زنان دارای اضافه وزن توصیه میشود
کلیدواژهها
موضوعات
عنوان مقاله [English]
THe order effect of eight week combined strength and endurance training on resting ghrelin levels and energy expenditure in overweight women
نویسندگان [English]
- Zohreh Shanazari 1
- Mohammad Faramarzi 2
- ZAHRA HEMATI FARSANI 3
- Mohammad Soleimani 4
1 Department Sport Science, Faculty of Humanities, Shahrekord University. Shahrekord, Iran
2 ِDepartment of Exercise Physiology , University of Isfahan
3 Department of Sport Sciences, Ardakan University, Ardakan, Iran
4 Department of Sport Sciences, Lorestan University, Lorestan, Iran
چکیده [English]
Introduction: Body weight is adjusted through the balance between receiving food and energy. The ghrelin hormone increases appetite and food intake. The aim of this study was to examine the order effect of combined training on ghrelin levels and energy expenditure in overweight women.
Methods: 30 overweight female (aged 32-18 years, body mass index ≥ 25 kg m) was selected and randomly divided into three groups, endurance – resistance (E+S), resistance –endurance (S+E) and control group. Participants performed eight,weeks, threesessions per week combined training.. 24 h before and 48 h after training program Ghrelin levels and energy expenditure were measured by ELISA kit and Harris-Benedict formula. The statistical analysis was performed using ANOVA test and LSD post hoc test and SPSS statistical software with significance level of (P <0.05).
Results: E+S and S+E intervention was caused increase on energy expenditure than control group (p<0.05) and There was no significant effect on ghrelin(p>0.05) . Also, there was no significant difference between strength - endurance and endurance-strength intervention on the ghrelin levels and energy expenditure in overweight women.
Conclusion: Without attention to order of training, combined exercises has significant effect on and energy expenditure and There is no significant effect on ghrelin levels .it seems appropriate training methods for weight loss of overweight women.
کلیدواژهها [English]
- ghrelin
- energy expenditure
- combined training
- overweight
Publisher: University oF Guilan Copyright © The Authors
This is an open access article distributed under the following Creative Commons license: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
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