مقایسه پاسخ دستگاه تامپونی خون دختران فعال و غیرفعال به سه نوع بازیافت‌ فعال، غیرفعال و حرکات کششی حین تمرین شدید استقامتی تکراری

نوع مقاله : علمی - پژوهشی

نویسندگان

1 پردیس شهید باهنر، دانشگاه فرهنگیان همدان، همدان، ایران

2 گروه فیزیولوژی ورزش، دانشکدة علوم ورزشی، دانشگاه اصفهان، اصفهان، ایران

3 پردیس شهید مقصودی، دانشگاه فرهنگیان همدان، همدان، ایران

4 گروه پاتولوژی، دانشکدة پزشکی، دانشگاه همدان، همدان، ایران

چکیده

هدف: بازیافت پس از تمرینات تناوبی شدید نقش مهمی در بهبود اجرای ورزشی دارد، این در حالی است که نوع بازیافت و سابقة تمرینی می‌تواند عملکرد ورزشی را متأثر سازد. هدف این پژوهش مقایسة پاسخ دستگاه تامپونی خون دختران تمرین‌کرده و تمرین‌نکرده به سه نوع بازیافت فعال، غیرفعال و حرکات کششی حین تمرین شدید استقامتی تکراری بود. روش‌ها: 30 دختر دانشجو (سن 33/±49/22 سال، وزن 31/7±33/68 کیلوگرم و قد 32/8±76/176 سانتی‌متر) به‌صورت تصادفی به سه گروه بازیافت (فعال 10 نفر، غیرفعال 10 نفر و حرکات کششی10 نفر) تقسیم شدند. پس از اندازه‌گیری اکسیژن مصرفی بیشینه (3±38 میلی‌لیتر/کیلوگرم/دقیقه) آزمودنی‌ها سه نوع بازیافت را حین تمرین شدید استقامتی تکراری طی سه روز به‌صورت متقاطع انجام دادند. پیش و بلافاصله پس از تمرین از آزمودنی‌ها نمونة خون شریانی گرفته شد و ظرفیت تامپونی به‌وسیلة دستگاه گازومتری و پروتئین کارنوزین از طریق تکنیک الایزا اندازه‌گیری شد. سپس آزمودنی‌ها تمرینات هوازی (65-80 درصد ضربان قلب بیشینه) را تا جایی که اکسیژن مصرفی بیشینه به 45 (میلی‌لیتر/کیلوگرم/دقیقه) رسید، ادامه دادند. پس از آن آزمون و خون‌گیری مشابه با پیش‌آزمون تکرار شد.
نتایج: در دختران تمرین‌نکرده تنها تفاوت معنادار بین بازیافت کششی و فعال برای اشباع اکسیژنی و در دختران تمرین‌کرده بازیافت فعال و غیرفعال افزایش معنادار اشباع اکسیژنی را نشان دادند. در دختران تمرین‌کرده افزایش معناداری برای اسیدیتة خون، بی‌کربنات، بافرهای بازی و کارنوزین با بازیافت فعال مشاهده شد (05/0>P).
نتیجه‌گیری: نتایج نشان داد که پاسخ دستگاه تامپونی خون دختران فعال به سه نوع بازیافت چشمگیرتر از دختران غیرفعال بود، همچنین بازیافت فعال در این زمینه پاسخ بیشتری را نشان داد.

کلیدواژه‌ها

عنوان مقاله [English]

Comparison of trained and untrained girls' blood buffering capacity response to three types of recovery during Repeated High-Intensity endurance test

نویسندگان [English]

  • Mahtab Tavakoli 1
  • Seyed Mohamad Marandi 2
  • Mehdi Kargar Fard 2
  • Behzad Pakrad 3
  • Arash Dehghan 4
1 Shahid Bahonar Campus, Faculty of Farhangian University, Hamadan, Iran
2 Department of Exercise Physiology, Faculty of Physical Education and Sport Science, Esfahan University. Esfahan, Iran
3 Shahid Maghsodi Campus, Faculty of Farhangian University, Hamadan, Iran
4 Department of Pathology, Faculty of Medical Science, Hamadan, Iran
چکیده [English]

Purpose: Recovery after intense interval training plays an important role in improving athletic performance, while the type of recovery and exercise background can affect athletic performance. The aim of this study was to compare the Response of blood buffering capacity to three types of recovery during Repeated High-Intensity endurance test in trained and untrained girls' students of Farhangian University.
Methods: 30 female students of Farhangian University (mean age 22.49 ±.3 (year), weight 68.33 ± 7.31 (kg) and height 176.76 ± 8.32 (cm) were randomly selected in three recovery groups (active: N=10, passive: N=10, Stretching: N=10) randomly. The Subjects underwent three types of recovery during the repeated high-intensity endurance test after evaluating the maximum oxygen consumption according to a specific pattern in a crossover methods, three days in a week. Arterial blood sample were taken measured before and immediately after the test and buffering capacity and carnosine were analyzed by ABG and ELISA techniques. After 8-eight weeks of aerobic exercise (65-80% of maximal heart rate), the test and blood sampling were repeated with the same pre-test and at the same time.
Results: In untrained girls, only significant difference was found between stretching and active recovery for oxygen saturation, and in trained girls' there was a significant increase in oxygen saturation for active and passive recovery. Significant increase in blood acidity, bicarbonate, base buffers and carnosine was observed in trained girls by active recovery (P ≤ 0.05).
Conclusion: The results show that the response of buffering capacity to the three types of recovery was significantly higher in trained subjects. Which is more notable with active recovery.
 

کلیدواژه‌ها [English]

  • High- intensity training
  • Buffering capacity
  • Maximum oxygen consumption
  • Carnosine

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سابقه مقاله

  • تاریخ دریافت: 18 دی 1398
  • تاریخ بازنگری: 21 فروردین 1399
  • تاریخ پذیرش: 01 اردیبهشت 1399
  • تاریخ اولین انتشار: 01 مهر 1400
  • تاریخ انتشار: 01 مهر 1400

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