اثر هشت هفته تمرین SSG و مقاومتی-پلایومتریک بر سطوح سرمی مایوستاتین، GASP-1 و IGF-I در بازیکنان نوجوان فوتبال

نوع مقاله: مقاله پژوهشی

نویسندگان

1 دانشجوی دکتری فیزیولوژی ورزشی، دانشگاه تهران، پردیس بین‌المللی کیش، کیش، ایران

2 . دانشیار گروه فیزیولوژی ورزشی، دانشکدۀ تربیت بدنی و علوم ورزشی دانشگاه تهران، تهران، ایران

3 دانشیار گروه فیزیولوژی ورزشی، دانشکدۀ تربیت بدنی و علوم ورزشی دانشگاه تربیت مدرس، تهران، ایران

4 . استادیار گروه فیزیولوژی ورزشی، دانشگاه تهران، پردیس بین‌المللی کیش، کیش، ایران

چکیده

هدف مطالعۀ حاضر تعیین اثر دو شیوۀ تمرینی بازی در ابعاد کوچک (SSG) و مقاومتی-پلایومتریک بر سطوح سرمی مایوستاتین، پروتئین سرمی مرتبط با فاکتور رشد نوع 1 (GASP-1) و عامل رشد شبه‌انسولین-1 (IGF-1) در بازیکنان نوجوان فوتبال بود. 30 نفر از بازیکنان باشگاه گیتی‌پسند که سابقۀ آسیب‌دیدگی حاد نداشتند، به‌صورت نمونه‌گیری در دسترس انتخاب شدند. سپس به‌طور تصادفی در سه گروه تمرین فوتبال (8 نفر)، گروه تمرین مقاومتی-پلایومتریک (11 نفر ) و گروه کنترل (11 نفر) قرار گرفتند. قبل و 24 ساعت بعد از آخرین جلسۀ تمرین، از سیاهرگ دست چپ هر آزمودنی در وضعیت نشسته در محل آزمایشگاه خون‌گیری شد. به‌منظور مقایسۀ داده‌ها از آزمونt  همبسته، آنوا و LSD در نرم‌افزار SPSS نسخۀ 22 استفاده شد (0۰۵/۰P<)، یافته‌های تحقیق نشان می‌دهد در پاسخ به هشت هفته تمرین مقاومتی-پلایومتریک، سطوح سرمی مایوستاتین بازیکنان نوجوان فوتبال کاهش و سطوح IGF-Ι و GASP-1 افزایش یافت (005/0P<). در گروه SSG نیز افزایش معنا‌دار IGF-Ι و GASP-1 مشاهده شد. کاهش سطوح سرمی مایوستاتین در هر دو شیوۀ تمرینی، بیانگر تأثیر مثبت این دو شیوه است. از طرفی افزایش عوامل رشدی در این شیوه‌ها مؤید این مطلب است که می‌توان این شیوه‌ها را در دورۀ آماده‌سازی پیش‌فصل یا نگهداری در طول فصل استفاده کرد. بررسی‌های بیشتر برای مطالعۀ ارتباط این متغیرها با واسطه‌های بیوشیمیایی رشدی می‌توانند تصویر روشن‌تری از نقش این تغییرات را به ما نشان دهند.

کلیدواژه‌ها


عنوان مقاله [English]

The effect of eight weeks of SSG and resistance-plyometric training on Myostatin, IGF-ɪ, GASP-1 in youth soccer players

نویسندگان [English]

  • saeid rostami 1
  • Mohammad Reza Kordi 2
  • Reza Gharakhanlou 3
  • Reza Nouri 4
1 PhD student of exercise physiology, University of Tehran, Kish international campus, Kish, Iran
2 Associate professor of exercise physiology, University of Tehran , Tehran, Iran
3 Associate professor of exercise physiology, Tarbiat Modarres University, Tehran, Iran
4 Assistant professor of exercise physiology, University of Tehran, Kish international campus, Kish, Iran
چکیده [English]

The aim of this study was to examine the effect of two resistance-plyometric and small sided game methods on serum levels Myostatin, Growth and differentiation factor-associated serum protein-1and insulin like growth factor-I in youth soccer players.30 soccer players Gitipasand club who were constantly involved in training and had no history of any serious illness or severe injury, were chosen for available sampling.Thus, they were divided randomly in three groups, SSG (n=8), resistance-plyometric (n=11) and control (n=11). First, height, weight, BMI and VO2max of the subjects were measured. The next day, blood samples from the anterior brachial vein of subjects were taken. The experimental groups participated in their exercise program (8 week, 2 sessions per week plus three current sessions). All variables were measured again after 8 weeks. In order to compare data within groups' Dependent t-test was used and for comparison between groups One-way ANOVA was used by SPSS (v.22). The findings showed that after 8 weeks of SSG training plasma level of IGF-ɪ and GASP-1 increased significantly and in resistance-plyometric group, Myostatin decreased significantly (p<0/005). Reduction of myostatin and increase of other growth factors suggest that the traditional training methods can be replaced by these methods in the pre-season and during the season or maintenance phase. Therefore, in order to clear the effect of these two methods of trainings on growth mediators, more researches are needed.

کلیدواژه‌ها [English]

  • GASP-1
  • IGF-ɪ
  • Myostatin، SSG
  • soccer
  • resistance-plyometric
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