نوع مقاله : مقاله پژوهشی Released under CC BY-NC 4.0 license I Open Access I

نویسندگان

1 دانشجوی دکتری گروه تربیت بدنی و علوم ورزشی، واحد نیشابور، دانشگاه آزاد اسلامی، نیشابور، ایران

2 . دانشیار گروه تربیت بدنی و علوم ورزشی، دانشگاه حکیم سبزواری، سبزوار، ایران

3 استادیار گروه تربیت بدنی و علوم ورزشی، واحد نیشابور، دانشگاه آزاد اسلامی، نیشابور، ایران

4 استادیار گروه تربیت بدنی و علوم ورزشی، واحد مشهد، دانشگاه آزاد اسلامی، مشهد، ایران

چکیده

هدف از مطالعۀ حاضر بررسی تأثیر ترتیب تمرینات ترکیبی بر برخی از عوامل آمادگی جسمانی، ظرفیت عملکردی و سطوح سرمی میوستاتین و فولیستاتین زنان یائسه بود. روش بررسی کارآزمایی بالینی بود. 33 زن یائسة 50 تا 60 ساله به‌طور تصادفی در سه گروه هوازی- مقاومتی (11 نفر)، مقاومتی- هوازی (10 نفر) و گروه کنترل (12 نفر) قرار گرفتند. تمرین در مدت 8 هفته و 4 جلسه در هفته انجام گرفت. برای تحلیل داده‌ها از روش آماری آنوا با اندازه‌های تکراری استفاده شد. نتایج نشان داد غلظت میوستاتین، فولیستاتین، شاخص تودۀ بدن بین سه گروه تفاوت معنا‌داری نداشت (05/0P>). درصد کاهش شاخص تودۀ بدنی در گروه هوازی– مقاومتی بیشتر و درصد کاهش میوستاتین و فولیستاتین در گروه مقاومتی– هوازی بیشتر بود، ولی معنا‌دار نبود. بین دو گروه تمرین و کنترل در قدرت و استقامت عضلانی بالاتنه تفاوت معنا‌داری وجود داشت (05/0P>). در هر دو نوع ترتیب تمرین افزایش معنا‌داری در قدرت و استقامت عضلانی بالاتنه مشاهده شد (05/0P>) و درصد تغییرات قدرت و استقامت عضلانی بالاتنه در گروه مقاومتی- هوازی بیشتر بود، ولی معنا‌دار نبود. براساس یافته‌ها می‌توان گفت در متغیرهای پژوهش تفاوت معنا‌داری بین ترتیب‌های متفاوت تمرین ترکیبی وجود ندارد و زنان یائسه می‌توانند از هر دو نوع ترتیب به‌منظور افزایش قدرت و استقامت عضلانی بالاتنه و جلوگیری از افزایش میوستاتین و تحلیل عضلانی استفاده کنند.

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

The Effect of Concurrent Training Order (Resistance-Aerobic) on Some Factors of Physical Fitness, Functional Capacity and Serum Levels of Myostatin and Follistatin Hormones in Postmenopausal Women (Clinical Trial)

نویسندگان [English]

  • Leila Esazadeh 1
  • Alireza Hosseini Kakhk 2
  • Rambod Khajeie 3
  • Seyed Mahmod Hejazi 4

1 Ph.D. Student, Department of Physical Education and Sport Sciences, Neyshabur Branch, Islamic Azad University, Neyshabur, Iran

2 Associate Professor, Department of Physical Education and Sport Sciences, Hakim Sabzevari University, Sabzevar, Iran

3 . Assistant Professor, Department of Physical Education and Sport Sciences, Neyshabur Branch, Islamic Azad University, Neyshabur, Iran

4 Assistant Professor, Department of Physical Education and Sport Sciences, Mashhad Branch, Islamic Azad University, Mashhad, Iran

چکیده [English]

The aim of the present study was to examine the effect of concurrent training order on some factors of physical fitness, functional capacity and serum levels of Myostatin and Follistatin in postmenopausal women. Methodology was clinical trial. 33 postmenopausal women (aged between 50 and 60) were randomly assigned to three groups: aerobic-resistance training (n=11), resistance-aerobic training (n=10) and control (n=12). Training interventions were performed for 8 weeks, 4 sessions per week. ANOVA with repeated measures was used to analyze the data.The results showed no significant differences in BMI, myostatin and follistatin concentrations among the three groups (P>0.05). The percentage of reduction in BMI was higher in A+R group and the percentage of reduction in myostatin and follistatin was higher in R+A group but this reduction was not significant. There was a significant difference between training and control groups in upper body muscular strength and endurance (P>0.05). There was a significant increase in upper body muscular strength and endurance in both training groups (P>0.05). The percentage of changes in the upper body muscular strength and endurance was higher in R+A group but this percentage was not significant. Based on these results, it can be stated that there were no significant differences between the different orders of concurrent training in the mentioned variables and postmenopausal women can use both training orders in order to increase upper body strength and endurance and prevent to increase myostatin and muscle atrophy.

کلیدواژه‌ها [English]

  • concurrent training
  • follistatin
  • myostatin
  • postmenopause
  • training order
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