نوع مقاله : مقاله پژوهشی
نویسندگان
1 کارشناس ارشد فیزیولوژی ورزشی، دانشگاه آزاد اسلامی واحد رشت
2 استادیار گروه تربیت بدنی و علوم ورزشی، دانشگاه آزاد اسلامی واحد لاهیجان
3 استادیار گروه تربیت بدنی و علوم ورزشی، دانشگاه آزاد اسلامی واحد رشت
4 دانشجوی دکتری فیزیولوژی ورزشی، دانشگاه تربیت دبیر شهید رجایی تهران
چکیده
چکیده
زمینه و هدف: از آنجا که استفاده از تمرینات تناوبی موجب تاثیر بیشتر بر عملکرد هوازی می شود؛ در پژوهش حاضر به مقایسه اثر دو نوع تمرین تداومی و تناوبی شدید بر عملکرد هوازی قایقرانان نخبه پرداخته شد. روش تحقیق: از بین 60 قایقران حاضر در مسابقات قهرمان کشوری سال 1394، تعداد 18 قایقران مرد دعوت شده به اردوی تیم ملی روئینگ، به صورت تصادفی به دو گروه تمرینی تداومی و تناوبی شدید 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 تداومی 3 هفته، 10 جلسه پارو زدن در مسافت 10 کیلومتر با شدت70 الی 75 درصد حداکثر ضربان قلب بود. 80 درصد تمرین تناوبی شدید مشابه گروه تداومی بود، اما 20 درصد دیگر به شکل 6 دور پارو زدن یک دقیقه ای با 100 درصد (VVo2max ) و با افزایش یک دور در هر هفته اجرا شد. آزمون t وابسته و مستقل به ترتیب برای مقایسه درون گروهی و بین گروهی در سطح 0/05>p به کار گرفته شد. یافته ها: در گروه تداومی و تناوبی شدید، افزایش معنی دار VO2max (به ترتیب 0/01=p و 0/001=p) و VVo2max (0/02=p و 0/004=p) مشاهده شد؛ اما شاخص زمان واماندگی (Tmax)، فقط در گروه تناوبی شدید افزایش معنی دار داشت (0/001=p). نتایج آزمون t مستقل برای مقایسه دو گروه در شاخص VO2max (p=0/52)، VVo2max (p=0/42) و Tmax (p=0/14)، تفاوت معنی داری را نشان نداد. نتیجه گیری: هر دو نوع تمرین شاخص های VO2max و VVo2max را بهبود بخشیدند، اما میزان بهبودی پس از تمرین تناوبی به طور غیر معنی دار بیشتر بود؛ با اختصاص تنها 20 درصد جلسات تمرین به تمرینات تناوبی شدید، اظهار نظر قطعی به مطالعه بیشتر موکول می گردد.
کلیدواژه‌ها
عنوان مقاله [English]
Comparison of the effects of continuous and high intensity interval training on aerobic performance in elite male rowers
نویسندگان [English]
- Asieh Mirzaaghajani 1
- Hasan Alikhani 2
- Zahra Hojjati 3
- Mohammadali Gharaat 4
1 Rasht Branch, Islamic Azad University
2 Lahijan Branch, Islamic Azad University
3 Rasht Branch, Islamic Azad University
4 Shahid Rajeai University
چکیده [English]
Background and Aim: Since the use of interval training could be affected on aerobic performance, the effects of two
types of continuous and high intensity interval training on aerobic performance in elite rowers were discussed in the
present study. Materials and Methods: Among sixty elite male rowers that participated in inter-country rowing
championship, eighteen rowers (who selected as Iran national team members) divided randomly into two groups
(continuous training and high intensity interval training). Rowing ergometer (Concept 2 model) and gas analyzer device was used, moreover simultaneously physiological factors measured (VO2max and VVo2max with gas analayzer, Tmax with chronometer). The training protocol in continuous group was consisted of 10 km rowing for three weeks (10 sessions per week) with 70-75% of maximum heart rate. High intensity interval (HIIT) group was done 8 sessions of continuous training per week plus 2 sessions of HIIT (including 6 sets X 1 minute ergo performance X 100% VVo2max). To analyze data, t-test was used to compare the differences within and between groups and the level of significance was set as prespectively) and VVo2max (p=0.02, p=0.004 respectively) in post-test. Moreover, the Tmax was increased in the HIIT group significantly (p=0.001). The results of independent t-test in VO2max (p= 0.52), VVo2max (p=0.42) and Tmax (p=0.14) did not show any significant differences. Conclusion: These findings showed although both types of training schedules improved VO2max and VVo2max; however improvement rate after HIIT training was no significantly higher. With accounting of only 20 percent of high intensity interval training sessions, a definitive statement about comparing the two types of exercises, further study needs.
کلیدواژه‌ها [English]
- Continuous training
- High intensity interval training
- Aerobic performance
- Rowing
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