مقایسۀ اثر دو شیوۀ بازی در زمین کوچک بر سطوح کورتیزول و تستوسترون در بازیکنان فوتبال

نوع مقاله : مقاله پژوهشی

نویسندگان

1 کارشناسی ارشد فیزیولوژی ورزشی، واحد یادگار امام خمینی (ره) شهر ری، دانشگاه آزاد اسلامی، تهران، ایران،

2 استادیار، گروه تربیت بدنی و علوم ورزشی، واحد یادگار امام خمینی (ره) شهر ری، دانشگاه آزاد اسلامی، تهران، ایران

چکیده

 
بازی در زمین‌های کوچک تمرین مفیدی برای بهبود پاسخ‌های فیزیولوژیکی به‌شمار می‌رود. هدف از این پژوهش، مقایسۀ اثر دو شیوۀ بازی در زمین کوچک بر سطوح کورتیزول و تستوسترون در بازیکنان فوتبال بود. در این تحقیق نیمه‌تجربی، 24بازیکن فوتبال (15 تا 18سال) به‌صورت در دسترس انتخاب و به سه گروه هشت نفرۀ کنترل، 2 در مقابل 2 و 4 در مقابل 4 تقسیم شدند. آزمودنی‌های گروه 2 در مقابل 2؛ هشت فعالیت دودقیقه‌ای با یک دقیقه استراحت بین هر دو دقیقه بازی در زمینی به ابعاد 20 در 25متر بدون دروازه‌بان انجام دادند. آزمودنی‌های گروه 4 در مقابل 4 در زمینی به ابعاد 28 در 35متر و بدون دروازه‌بان چهار فعالیت چهاردقیقه‌ای با دو دقیقه استراحت بعد از هر چهار دقیقه انجام دادند. قبل و بعد از تمرین، سطوح کورتیزول و تستوسترون پلاسما اندازه‌گیری شد. داده‌ها با استفاده از آزمون t، تحلیل واریانس یکطرفه و آزمون تعقیبی توکی در سطح معنا‌داری 05/0 P< تجزیه‌وتحلیل شد. میزان کورتیزول و تستوسترون پس از بازی 2 در مقابل 2 و 4 در مقابل 4 در زمین کوچک، نسبت به قبل از تمرین به‌طور معنا‌داری افزایش یافت (001/0P=). میزان تستوسترون در گروه تمرین 2 در مقابل 2 نسبت به گروه 4 در مقابل 4 به‌طور معنا‌داری بیشتر بود (031/0P=). همچنین بین دو گروه تجربی تفاوت معنا‌داری در نسبت تستوسترون به کورتیزول مشاهده نشد (999/0P=). به‌نظر می‌رسد بازی فوتبال در زمین‌های با ابعاد کوچک‌تر و تعداد بازیکن کمتر به افزایش محیط هورمونی کاتابولیک در دورۀ بازیافت منجر می‌شود.

کلیدواژه‌ها


عنوان مقاله [English]

Comparison of The Effect of Two Modes Small Sided Games on The Cortisol and Testosterone levels in Soccer players

نویسندگان [English]

  • Hasan Madadi 1
  • Saeedeh Shadmehri 2
1 M.Sc. Department of Physical Education and Sport Science Yadegar-e-Imam Khomeini (RAH) Shahre-rey Branch, Islamic Azad University, Tehran, Iran
2 Assistant Professor, Department of Physical Education and Sport Science Yadegar-e-Imam Khomeini (RAH) Shahre-rey Branch, Islamic Azad University, Tehran, Iran.
چکیده [English]

 
The aim of this study was to compare the effect of two modes of small sided games on the cortisol and testosterone levels in soccer players. In this semi-experimental study, 24 soccer players aged 15 to 18 years were selected and randomly divided into three groups included; control, 2 vs. 2 and 4 vs. 4 (n=8). Subjects of 2 vs.2 group performed eight two-minute activities with a one-minute rest on a 20-25m field without a goalkeeper. Subjects of 4 vs.4 group performed four four-minute activities on a 28-35m field without a goalkeeper with two-minute rest after every four minutes. Plasma levels of interleukin-15 and blood neutrophil counts were measured. Data were analyzed by t-test, One-way ANOVA and Tukey post hoc test at the P <0.05. Cortisol and testosterone levels were significantly increased in post-training 2 vs 2 and 4 vs 4 in the small sided games compared to pre-exercise (p=0.001). testosterone levels were significantly higher in 2 vs 2 group than the 4 vs 4 group (p=0.031). Also, there was no significant difference between the two experimental groups in the ratio of testosterone to cortisol (P=0.999).It seems that playing in smaller sided and fewer players leads to an increase in the catabolic hormone environment during the recovery period.

کلیدواژه‌ها [English]

  • Small sided games
  • Soccer Players
  • cortisol
  • testosterone
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