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تأثیر هشت هفته تمرین تناوبی با و بدون محدودیت جریان خون در شدتهای مختلف بر عملکرد استقامتی، قدرت و سطح سرمی مایواستاتین در مردان ورزشکار | ||
پژوهشنامه فیزیولوژی ورزشی کاربردی | ||
مقاله 3، دوره 16، شماره 31، شهریور 1399، صفحه 45-58 اصل مقاله (1.03 M) | ||
نوع مقاله: مقاله پژوهشی | ||
شناسه دیجیتال (DOI): 10.22080/jaep.2019.17574.1915 | ||
نویسندگان | ||
حمید سالاری کاریزمه1؛ امیر حسین حقیقی* 2؛ سید رضا حسینی کاخک3 | ||
1دانشجوی دکتری فیزیولوژی ورزشی، دانشکده علوم ورزشی، دانشگاه حکیم سبزواری، سبزوار، ایران | ||
2دانشیار گروه فیزیولوژی ورزشی، دانشکده علوم ورزشی، دانشگاه حکیم سبزواری، سبزوار، ایران. | ||
3دانشیار گروه فیزیولوژی ورزشی، دانشکده علوم ورزشی، دانشگاه حکیم سبزواری، سبزوار، ایران | ||
تاریخ دریافت: 20 آبان 1398، تاریخ بازنگری: 02 دی 1398، تاریخ پذیرش: 07 دی 1398 | ||
چکیده | ||
سابقه و هدف: ایجاد محدودیت جریان خون به عنوان یک روش مکمل در بهبود شاخصهای آمادگی جسمانی مطرح شده است. با این حال، تأثیر سودمندی این روش به همراه تمرینات تناوبی دویدن کمتر مورد توجه قرار گرفته است. هدف از مطالعه حاضر، بررسی اثر هشت هفته تمرین تناوبی با و بدون محدودیت جریان خون در شدتهای مختلف بر عملکرد استقامتی، قدرت و سطح سرمی مایواستاتین در مردان ورزشکار بود. مواد و روشها: 32 ورزشکار جوان (سن= 49/0±6/19 سال، وزن= 44/6±3/59 کیلوگرم) به طور تصادفی به چهار گروه تقسیم شده و هر گروه براساس درصدی از حداکثر سرعت هوازی به تمرین پرداختند: گروههای تناوبی با شدت کمتر (85 درصد حداکثر سرعت هوازی) با (8 نفر) و بدون (8 نفر) محدودیت جریان خون، گروه تناوبی شدت بالا (100 درصد حداکثر سرعت هوازی) (8 نفر) و گروه کنترل (8 نفر). آزمودنیها 24 جلسه (3 جلسه در هفته) تمرین انجام دادند و هر جلسه شامل دورههای تکراری دویدن (2 دقیقه) روی نوارگردان با یک دقیقه استراحت بین تکرارها بود. قبل و پس از دوره تمرینی نمونههای خونی جمعآوری و آزمونهای مورد نظر گرفته شد. از روش تجزیه و تحلیل واریانس با اندازهگیری مکرر برای بررسی تفاوت بین گروهها استفاده گردید. سطح معنیداری آماری 05/0 P≤ در نظر گرفته شد. یافتهها: تفاوت معنیداری بین گروهها در قدرت عضلات پا، عملکرد استقامتی و سطح سرمی مایواستاتین مشاهده گردید (05/0>P). قدرت فقط در گروه تناوبی با شدت کمتر همراه با محدودیت جریان خون و عملکرد استقامتی در دو گروه تناوبی با شدت کمتر همراه با محدودیت جریان خون و گروه تناوبی شدت بالا افزایش معنیداری نشان داد. همچنین، کاهش معنیداری در سطح سرمی مایواستاتین در گروه تناوبی با شدت کمتر همراه با محدودیت جریان خون و گروه تناوبی شدت بالا مشاهده شد. نتیجهگیری: این نتایج پیشنهاد میکند که اجرای تمرین تناوبی با شدت کمتر همراه با محدودیت جریان خون منجر به بهبود همزمان آمادگی هوازی و قدرت عضلانی میگردد که در مقایسه با تمرینات تناوبی شدت بالا دارای مزایای بیشتری برای ورزشکاران است. | ||
کلیدواژهها | ||
محدودیت جریان خون؛ قدرت؛ عملکرد استقامتی؛ مایواستاتین | ||
عنوان مقاله [English] | ||
The Effects of Eight Weeks Interval Training with and Without Blood Flow Restriction at Different Intensities on Endurance Performance, Strength and Serum Level of Myostatin in Male Athletes | ||
نویسندگان [English] | ||
Hamid Salari-karizmeh1؛ Amirhoseein Haghighi2؛ Alireza Hosseini- Kakhk3 | ||
1Department of Exercise Physiology, Faculty of Physical Education and Sport Science, Hakim Sabzevari University, Sabzevar, Iran | ||
2Department of Exercise Physiology, Faculty of Physical Education and Sport Science, Hakim Sabzevari University, Sabzevar, Iran | ||
3Department of Exercise Physiology, Faculty of Physical Education and Sport Science, Hakim Sabzevari University, Sabzevar, Iran | ||
چکیده [English] | ||
Background and Purpose: Blood flow restriction has been suggested as a complementary method to improving physical fitness indicators. However, the efficacy of this method along with interval running training has received less attention. The aim of this study was to examination the effects of eight weeks interval-training with and without blood flow restriction (BFR) at different intensities on endurance performance, strength and serum level of Myostatian in male athletes. Methodology: Thirty two young athletes (19.6 ± 0.49 years; 59.3 ± 6.44 kg) were selected and randomly divided into four groups and training based percent of maximal aerobic speed (MAS): 85% MAS with (N=8) and without (N=8) BFR, 100% MAS (N=8) and control (N=8). The participants completed 24 training sessions (3 sessions per week) comprised of repeated bouts of 2 min running on a treadmill interspersed by 1-min recovery. Blood sampling and tests were taken before and after training period. The one-way repeated-measures ANOVA was used to determine difference between groups. The significance level was set at P ≤ 0.05. Results: There were significant difference in leg muscle strength, endurance performance and serum level of Myostatin between groups. Leg muscle strength significantly increased only in group 85%+BFR and endurance performance significantly increased in 85% with BFR and 100 groups, so, serum level of Myostatin significantly decreased in 85% with BFR and 100 groups. Conclusion: The results suggest that low intensity interval running with BFR can improves simultaneously both aerobic fitness and muscle strength in athletes and more benefit have in compare to high intensity interval training. | ||
کلیدواژهها [English] | ||
Blood Flow Restriction, Strength, Endurance Performance, Myostatin | ||
مراجع | ||
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