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تأثیر تمرین ترکیبی (مقاومتی - استقامتی) بر مقادیر استراحتی رتینول متصل به پروتئین 4 ( (RBP4و مقاومت به انسولین مردان میانسال چاق | ||
| نشریه علوم زیستی ورزشی | ||
| مقاله 1، دوره 7، شماره 2، مرداد 1394، صفحه 157-170 اصل مقاله (235.25 K) | ||
| نوع مقاله: مقاله پژوهشی Released under CC BY-NC 4.0 license I Open Access I | ||
| شناسه دیجیتال (DOI): 10.22059/jsb.2015.55223 | ||
| نویسندگان | ||
| رحمان سوری1؛ علی اصغر رواسی2؛ محمدرضا دارابی* 3 | ||
| 1دانشیار فیزیولوژی ورزش دانشکدۀ تربیت بدنی دانشگاه تهران | ||
| 2استاد فیزیولوژی ورزش دانشکدۀ تربیت بدنی دانشگاه تهران | ||
| 3کارشناس‌ارشد فیزیولوژی ورزش دانشگاه تهران | ||
| چکیده | ||
| هدف از این تحقیق، بررسی تأثیر دوازده هفته تمرین ترکیبی بر سطح RBP4 و مقاومت به انسولین در مردان میانسال چاق بود.به همین منظور 20 مرد میانسال چاق از بین داوطلبان انتخاب شدند و در دو گروه تمرین ترکیبی (10 نفر با میانگین سن 25/2 ± 2/51 سال و شاخص تودۀ بدن 81/0 ± 44/31 کیلوگرم بر متر مربع) و کنترل (10 نفر با میانگین سن 11/2 ± 3/50 سال و شاخص تودۀ بدن 34/1 ± 32/30 کیلوگرم بر متر مربع) قرار گرفتند.گروه ترکیبی، برنامۀ تمرینی دوازده‌هفته‌ای شامل تمرین مقاومتی (3 جلسه در هفته با شدت 75-50 درصد یک تکرار بیشینه به مدت 22 دقیقه) و تمرین استقامتی ( راه رفتن یا دویدن، 3 جلسه در هفته با شدت 80-50 درصد حداکثر ضربان قلب به مدت 22 دقیقه) را اجرا کردند. یافته‌ها نشان داد که پس از دوازده هفته تمرین ترکیبی، میزان RBP4 (003/0P=) و شاخص مقاومت به انسولین (019/0P=) در مقایسه با گروه کنترل کاهش معناداری یافت. بنابراین می‌توان گفت که دوازده هفته تمرین ترکیبی سبب کاهش مقدار RBP4و شاخص مقاومت به انسولین می‌شود که این تغییرات ممکن است با کاهش وزن آزمودنی‌ها همسو باشد. | ||
| کلیدواژه‌ها | ||
| تمرین ترکیبی؛ چاقی؛ مقاومت به انسولین؛ RBP4 | ||
| عنوان مقاله [English] | ||
| The Effect of Concurrent (Resistance - Endurance) Training on Resting Levels of RBP4 and Insulin Resistance in Obese Middle-Age Men | ||
| نویسندگان [English] | ||
| Rahman Soori1؛ Aliasgar Ravasi2؛ Mohammadreza Darabi3 | ||
| 1Associate Professor, Exercise Physiology Department, Faculty of Physical Education and Sport Sciences, University of Tehran, Tehran, Iran | ||
| 2Professor, Exercise Physiology Department, Faculty of Physical Education and Sport Sciences, University of Tehran, Tehran, Iran | ||
| 3M.Sc. of Exercise Physiology, University of Tehran, Tehran, Iran | ||
| چکیده [English] | ||
| The aim of this study was to examine the effect of 12 weeks of concurrent training on RBP4 andinsulin resistance levels in obese middle-age men. For this purpose, 20 obese middle-age men voluntarily participated in this study and were assigned to concurrent training group (n=10, mean age 51.2 ± 2.25 yr and BMI 31.44 ± 0.81 Kg/m²) and control group (n=10, mean age 50.3 ± 2.11 yr and BMI 30.32 ± 1.34 Kg/m²). The concurrent group performed the 12-week protocol including resistance training (3 sessions per week, 50-75% of 1RM for 22 min.) and endurance training (running or walking with 50-80% HRmax for 22 min.). The results showed a significant decrease in RBP4 (P=0.003) and insulin resistance (P=0.019) after 12 weeks of concurrent training in comparison with the control group. It can be concluded that concurrent training can decrease RBP4 and insulin resistance levels. These changes may be in the line with subjects' weight loss. | ||
| کلیدواژه‌ها [English] | ||
| concurrent training, insulin resistance, Obesity, RBP4 | ||
| مراجع | ||
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