اثر شدت های مختلف تمرین مقاومتی دایرهای بر سطوح پلاسمایی نورگلین و لپتین در مردان جوان

قنبری نیاکی, عباس; رضایی نژاد, نجمه; علیزاده, رستم

اثر شدت های مختلف تمرین مقاومتی دایرهای بر سطوح پلاسمایی نورگلین و لپتین در مردان جوان

نوع مقاله : علمی - پژوهشی

نویسندگان

¹ دانشکده تربیت بدنی و علوم ورزشی، دانشگاه مازندران، بابلسر، ایران

² گروه علوم ورزشی، دانشکده ادبیات و علوم انسانی، دانشگاه ایلام، ایلام، ایران

چکیده

هدف: هدف از انجام این مطالعه بررسی اثر شدت های مختلف تمرین مقاومتی دایره ای بر میزان نورگلین و لپتین پلاسما در مردان
جوان با وزن معمولی بود.
روش ها: به این منظور 45 نفر از دانشجویان پسر 20 الی 24 ساله )با میانگین و انحراف معیار وزنی 63 / 1 ± 10 / 73 کیلوگرم، سن
17 / 0±55 / 21 سال و قد 88 / 0 ± 42 / 175 سانتی متر( ساکن خوابگاه، داوطلبانه به 5 گروه )کنترل، 20،40،60 و 80 درصد یک
تکرار بیشینه( تقسیم بندی شدند. گروه های تمرینی به مدت 6 هفته ) 4 روز در هفته( تمرینات دایره ای مقاومتی را با شدت های
تعیین شده انجام دادند و گروه کنترل در طول این دوره، در هیچ گونه برنامۀ ورزشی منظمی شرکت نکرد. نمونه خون از ورید بازویی
48 ساعت قبل و پس از تمرینات و 3 ساعت پس از صرف صبحانه معمول گرفته شد. داده ها با استفاده از آزمون تحلیل کوواریانس
و تی زوجی تجزیه وتحلیل شدند.
نتایج: نتایج نشان داد که بین سطوح نورگلین ) 0001 / 0 = P(، لپتین ) 009 / 0P= ( و انسولین ) 013 / 0P= ( پلاسما در گروه های
مختلف تفاوت معنی دار وجود دارد اما در مورد گلوکز ) 27 / 0P= ( تفاوت معنی دار مشاهده نشد. همچنین همبستگی معنی داری بین
میزان اولیه ) 0001 / 0 = P ( و میزان تغییریافته ) 001 / 0 = P ( نورگلین و لپتین وجود داشت.
نتیجه گیری: بر اساس یافته های تحقیق حاضر، تمرینات مقاومتی دایره ای در شدت های مختلف میتواند سبب افزایش میزان
نورگلین- 1 و لپتین پلاسما شود.

کلیدواژه‌ها

عنوان مقاله [English]

The effect of different Intensities of circuit resistance training on plasma neuregulin and leptin concentrations in young men

نویسندگان [English]

Abbas Ghanbari-Niaki ¹
najmeh rezaei nezhad ¹
rostam Alizadeh ²

¹ Exercise Biochemistry Division, Faculty of Sports Sciences, University of Mazandaran, Baboulsar, Mazandaran, Iran

² Department of Sports Science, School of Literature and Humanities, Ilam University, Ilam, Iran

چکیده [English]

Purpose: The purpose of this study was to investigate the effect of different Intensities of circuit resistance training on plasma neuregulin and leptin concentrations in young men.
Methods: Forty-five healthy young men [21.55± 0.17 years old; height= 175.42± 0.88 cm, weight= 73.10±
1.63 Kg] were randomly divided into 5 groups (control, 20, 40, 60 and 80% 1RM). Men of training groups performed circuit resistance training 4 times a week with given intensities for 6 weeks. The blood sampling was conducted to determine the levels of neuregulin-1, leptin, insulin, and glucose before, and after 6 weeks. Data were analyzed using the analysis of covariance and paired T-test.
Results: The plasma neuregulin-1 (P= 0.0001), leptin (P= 0.009), and insulin (P=0.013) levels were significantly increased in the training groups compared with the control group while there were no significant differences between the glucose (P=0.27) level of groups.
Conclusion: The results showed circular resistance training plays a significant role in promoting the performance of NRG-1 and leptin.

کلیدواژه‌ها [English]

Keywords: Circuit resistance training
Intensity
Leptin
Nerogulin-1

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