تاثیر هشت هفته تمرینات HIIT کم‌حجم و پرحجم بر پاسخ لاکتات و برخی شاخص‌های عملکردی قایقرانان کانو کانادایی

نوع مقاله : مقاله پژوهشی

نویسندگان

گروه فیزیولوژی ورزشی، دانشکده تربیت بدنی و علوم ورزشی، دانشگاه تهران، تهران، ایران

چکیده

تعداد جلسات تمرین عامل مهمی در انجام تمرینات ورزشی است. بنابراین، هدف از پژوهش حاضر بررسی تاثیر هشت هفته تمرینات HIIT کم­حجم و پرحجم بر پاسخ لاکتات و برخی شاخص­های عملکردی قایقرانان کانو کانادایی بود. تعداد 16 قایقران زن دعوت شده به اردوی تیم ملی کانو کانادایی، به صورت تصادفی به دو گروه تمرینی تناوبی کم­تواتر و تمرین تناوبی پرتواتر تقسیم شدند. از ارگومتر قایقرانی و دستگاه تجزیه و تحلیل گازهای تنفسی استفاده شد و همزمان، متغیرهای فیزیولوژیک عملکرد هوازی شامل حداکثر اکسیژن مصرفی (VO2max)، حداقل سرعت رسیدن به حداکثر اکسیژن مصرفی (vVo2max) و زمان رسیدن به واماندگی (Tmax) اندازه گیری شدند. تمرین تناوبی شدید در هر دو گروه مشابه و به شکل 6 دور پارو زدن یک دقیقه ای با 100 درصد vVo2max و با افزایش دو دور در هر هفته اجرا شد. با این تفاوت که گروه کم تواتر 3 جلسه در هفته و گروه پرتواتر 6 جلسه در هفته تمرین می­کردند. تمرینات به مدت هشت هفته انجام شد. داده­ها با آزمون تی همبسته و تی مستقل تحلیل شدند. معنی­داری بین متغیرها در سطح 05/0p £  مورد توجه قرار گرفت. نتایج نشان داد در مقادیر لاکتات، VO2max، vVo2max و Tmax بین پیش­آزمون و پس­آزمون هر دو گروه تمرین تناوبی با حجم بالا و تمرین تناوبی با حجم کم تفاوت معناداری وجود دارد. با این حال در مقادیر پس­ آزمون بین دو گروه تفاوت معناداری در هیچ کدام از متغیرها مشاهده نشد (05/0p ≤ ). با توجه به عدم تفاوت معنادار بین دو گروه بنظر می­رسد تلفیق این دو روش در زمان­های مختلف از یک فصل مسابقات قایقرانی کانو کانادایی بتواند در امادگی ورزشکاران کمک کننده باشد.

کلیدواژه‌ها


عنوان مقاله [English]

The Effect of Eight Weeks of Low and High Volume HIIT Training on Lactate Response and Some Performance Indicators of Canadian Canoers

نویسندگان [English]

  • Farahnaz Amir Shaghaghi
  • Fatemeh Karamjani
Faculty of Physical Education, University of Tehran, Tehran, Iran
چکیده [English]

The number of training sessions is an important factor in exercise training. Therefore, this study was aimed at investigating the effect of eight weeks of low and high volume HIIT training on lactate response and some performance indicators of Canadian canoe rowers. Sixteen female rowers invited to the Canadian Canoe National Team Camp were randomly divided into two groups: low frequency interval training and high frequency interval training. Rowing ergometer and respiratory gas analyzer were used and at the same time, physiological variables of aerobic function including maximum oxygen consumption (VO2max), minimum speed to reach maximum oxygen consumption (vVo2max) and exhaustion time (Tmax) were measured. Intense intermittent training was performed in both groups in the form of 6 one-minute rowing sessions with 100% vVo2max and with an increase of two rounds per week. The difference was that the low-frequency group practiced 3 sessions per week and the high-frequency group practiced 6 sessions per week. Exercises were performed for eight weeks. Data were analyzed by paired t-test and independent t-test. Significance between variables was considered at the level of P≤0.05. The results showed a significant difference in lactate, VO2max, vVo2max and Tmax between pre-test and post-test of both high-volume periodic training and low-volume periodic training. However, no significant difference was observed in the post-test values ​​between the two groups in any of the variables (P≤0.05). Due to the lack of significant differences between the two groups, the combination of these two methods at different times of a Canadian canoeing season seems to be helpful in preparing athletes.

کلیدواژه‌ها [English]

  • High intensity Training
  • Aerobic power
  • Lactate
  • Canadian Canoe
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