اثر هشت هفته تمرینات ترکیبی (هوازی و مقاومتی) بر سطوح سرمی آیریزین و لپتین در مردان دارای اضافه وزن

نوع مقاله: مقاله پژوهشی

نویسندگان

1 دانشکده علوم انسانی، گروه تربیت بدنی و علوم ورزشی، دانشگاه آزاد اسلامی واحد رشت، رشت، ایران

2 دانشکده تربیت بدنی و علوم ورزشی دانشگاه گیلان، رشت، ایران

چکیده

مقدمه و هدف: آیریزین تحت تأثیر فعالیت بدنی از پروتئین Fndc5 در سلول‌های عضلانی آزاد و با تبدیل چربی سفید به قهوه ای بر متابولیسم اثر می گذارد، مطالعه با هدف بررسی آثار 8 هفته تمرینات ترکیبی بر سطح آیریزین و لپتین در مردان دارای اضافه وزن انجام شد.
مواد و روش ها: مطالعه حاضر نیمه تجربی با طرح پیش و پس آزمون انجام شد. 22 مرد دارای اضافه وزن انتخاب و بصورت تصادفی ساده در دو گروه تمرین (11 نفر: 04/1±33/28 = BMI و 62/2±54/31= Age) و کنترل (11 نفر: 05/1±76/28 = BMI و 63/1±54/30 = Age) قرار گرفتند. برنامه تمرین ترکیبی (هوازی با شدت 85 - 65% حداکثر ضربان قلب و مقاومتی با 50% 1RM) به مدت 8 هفته و هر هفته 4 جلسه شرکت کردند. نمونه خونی آزمودنی ها 24 ساعت قبل و 48 ساعت پس از اتمام طرح تحقیق جهت اندازه گیری مقادیر آیریزین و لپتین سرم اخذ شد. تجزیه و تحلیل داده ها با استفاده از آزمون t و ضریب همبستگی پیرسون انجام شد.
نتایج: نتایج مطالعه حاضر نشان داد، مقادیر آیریزین به دنبال 8 هفته تمرین کاهش معنی داری نداشت (14/0P =). همچنین لپتین به دنبال 8 هفته تمرین کاهش معنی داری نیافت (05/0P>). ضریب همبستگی پیرسون ارتباط معنی داری بین آیریزین و لپتین نشان نداد (05/0P>).
نتیجه‌گیری: بر اساس نتایج پژوهش و عدم افزایش معنی دار آیریزین و کاهش لپیتن، تمرین ترکیبی روشی تمرینی برای کاهش وزن و دستیابی به تناسب اندام در افراد دارای اضافه وزن مفید می باشد، تبدیل چربی سفید به چربی قهوه ای به افزایش متابولیسم افراد دارای اضافه وزن کمک می کند.

کلیدواژه‌ها


عنوان مقاله [English]

Effects of 8-week combined training (aerobic and resistance) on serum levels of irisin and leptin in overweight men

نویسندگان [English]

  • Habib Baradaran 1
  • Farhad Rahmaninia 2
  • Alireza Elmieh 1
1 Faculty of Humanities, Islamic Azad University Rasht Branch, Rasht, Iran
2 Faculty of Physical Education and Sports Sciences, University of Guilan, Rasht, Iran
چکیده [English]

Background and Objective: Irisin is released from the Fndc5 membrane protein through physical activity and affects on thermogenics metabolism through browning of white fat. The purpose of this study was to investigate the effects of eight weeks of combination aerobic and resistance training on irisin and leptin levels in overweight men.
Materials and Methods: The present quasi-experimental study was performed with pre- and post-test design. 22 overweight men were selected and randomly divided into training groups (11 people: Age = 31.54 ± 2.62, BMI = 28.33 ± 1.04)  and control groups control (11 people: Age = 30.54 ± 1.63, BMI = 28.76 ± 1.05) They participated in a combined training program (Aerobic with an intensity of 65-85% maximum heart rate and resistance with 50% 1RM) for 8 weeks and 4 sessions per week. Blood samples were taken 24 hours before and 48 hours after the end of the research project to measure serum iris and leptin levels. Data were analyzed using the t-test and Pearson correlation coefficient.
Results: The results of the present study showed that the levels of irisin did not decrease significantly after 8 weeks of training (P=0.14). Leptin also did not decrease significantly after 8 weeks of training (P>0.05). Pearson correlation coefficient did not show a significant relationship between irisin and leptin (P>0،05).
Conclusion: Based on research results, irisin levels did not decrease significantly after 8 weeks of training (P=0.14). The lack of a significant increase in irisin and a decrease in leptin showed that combined exercise can be useful for weight loss and fitness in overweight people.

کلیدواژه‌ها [English]

  • Irisin
  • Leptin
  • Combined exercise
  • Overweight men
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