پاسخ قدرت، توان و استقامت عضلانی به تمرین مقاومتی با فواصل استراحت متفاوت

نوع مقاله: مقاله پژوهشی

نویسندگان

1 استادیار گروه تربیت ‌بدنی، دانشکدۀ علوم انسانی، دانشگاه لرستان، خرم‌آباد

2 دانشجوی کارشناسی ارشد فیزیولوژی ورزشی، دانشگاه لرستان، خرم‌آباد؛

3 دانشیار گروه تربیت ‌بدنی، دانشکدۀ علوم انسانی، دانشگاه تربیت مدرس، تهران

4 عضو هیئت‌ علمی گروه تربیت ‌بدنی، دانشکدۀ ادبیات، دانشگاه آزاد اسلامی، خرم‌آباد

چکیده

پژوهشگران و مربیان، دائم در جست‌وجوی مؤثرترین روش‌ها برای افزایش اجرای ورزشی هستند. هدف از پژوهش حاضر، بررسی پاسخ قدرت، توان و استقامت عضلانی به تمرین مقاومتی با فواصل استراحت متفاوت بود. در این پژوهش، شانزده آزمودنی مرد به‌صورت داوطلبانه انتخاب و به‌طور تصادفی به دو گروه تقسیم شدند؛ گروه اول: هشت آزمودنی با سن 55/2±22 سال، قد 14/6±20/174 سانتی‌متر و وزن 33/6±20/64 کیلوگرم، تمرین مقاومتی با فاصلۀ استراحت ثابت (120 ثانیه) و گروه دوم: هشت آزمودنی با سن 54/3±22 سال، قد 50/6±40/176 سانتی‌متر و وزن 38/6±60/64 کیلوگرم. هر دو گروه، تمرین مقاومتی با فاصلۀ استراحت فزاینده (90، 120 و 150 ثانیه) را سه روز در هفته به مدت شش هفته انجام دادند.
 برای تعیین قدرت، توان و استقامت عضلانی، به‌ترتیب از آزمون‌های یک تکرار بیشینۀ پرس سینه، پرتاب توپ پزشکی و حداکثر تکرار پرس سینه با 30درصد یک تکرار بیشینه استفاده شد. برای تعیین لاکتات خون، 3 دقیقه قبل و 2 دقیقه بعد از جلسۀ هفدهم، از آزمودنی‌ها نمونۀ خونی گرفته شد. برای تحلیل داده‌ها از آزمون‌های t زوجی و مستقل استفاده و سطح معنی‌داری 05/0>α در نظر گرفته شد. نتایج نشان داد قدرت، توان و استقامت عضلانی در هر دو گروه به‌طور معنی‌داری (05/0P<) افزایش یافت؛ اما درصد تغییرات همۀ آزمون‌ها در گروه دوم بیشتر بود. بعد از جلسۀ تمرینی، لاکتات خون به‌طور معنی‌داری از زمان استراحت افزایش یافت؛ البته افزایش در گروه دوم کمتر بود. نتیجه اینکه احتمالاً تمرین مقاومتی با فواصل استراحت فزاینده در مقایسه با فواصل استراحت ثابت، از اهمیت بیشتری برای افزایش قدرت، توان و استقامت عضلانی برخوردار است.

کلیدواژه‌ها


عنوان مقاله [English]

Response of Strength, Power and Muscle Endurance to Resistance Training with Different Rest Intervals

نویسندگان [English]

  • vahid valipour dehnou 1
  • hosein mansournejad 2
  • reza gharakhanlou 3
  • firouz sharafi 4
1 Assistant Professor, Department of Physical Education and Sport Sciences, Faculty of Humanities, Lorestan University, Khorramabad, Iran
2 MSc. Student Exercise Physiology, Faculty of Humanities, Lorestan University, Khorramabad, Iran
3 . Associate Professor, Department of Physical Education and Sport Sciences, Faculty of Humanities, Tarbiat Modares University, Tehran, Iran
4 PhD Student of Exercise Physiology, Alborz Campus of University of Tehran, Alborz, Iran
چکیده [English]

Researchers and coaches are constantly looking for the most effective ways to enhance athletic performance. The aim of this study was to investigate the response of strength, power and muscle endurance to resistance training with different rest intervals. 16 male volunteers were selected and divided randomly into two groups. Group A (n=8, age 22±2.55 yr, height 174.20±6.14 cm, weight 64.20±6.33 kg) performed resistance training with constant rest intervals (120 sec.) and group B (n=8, age 22±3.54 yr, height 176.40±6.50 cm, weight 64.60±6.38 kg) with incremental rest intervals (90, 120, 150 sec.) 3 days per week for 6 weeks. To determine strength, power and muscle endurance, 1RM, bench press, throwing medicine ball and maximum repetition of bench press with 30% of 1RM tests were used respectively. Blood samples were collected 3 minutes before and 2 minutes after the 17th session to measure blood lactate. Paired samples and independent samples t tests were used for data analysis (α<0.05). Results showed that strength, power and muscle endurance significantly increased in both groups (P<0.05), but group B showed a greater percentage change in all tests. Blood lactate significantly increased after the resistance training compared with the rest interval but this increase was less in group B. It can be concluded that resistance training with progressive rest intervals is more important for increasing strength, power and muscle endurance compared with constant rest intervals.

کلیدواژه‌ها [English]

  • Endurance
  • lactate
  • power
  • rest interval
  • Strength
 
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