مقایسه اثرات شدت و نوع انقباضات ارادی ایستا و پویا بر توان بی‌هوازی بازیکنان والیبال

نوع مقاله : مقاله پژوهشی

نویسنده

دکتری، گروه فیزیولوژی ورزشی، دانشگاه علمی- کاربردی، قم، ایران.

چکیده

هدف: هدف پژوهش حاضر مقایسه اثرات شدت و نوع انقباضات ارادی بر توان بی‌هوازی بازیکنان مرد جوان والیبال
قم بود.
روش: این تحقیق به صورت نیمه تجربی، و با طرح متقاطع و کاربردی، روی 12 نفر از بازیکنان مرد جوان والیبال قم، با حداقل دو سال سابقه فعالیت ورزشی انجام شد. نمونه‌های مورد مطالعه، در پنج روز متفاوت، به صورت تصادفی یکی از پروتکل‌های گرم کردن، گرم کردن و اجرای سه ست چهار ثانیه‌‌ای نیم اسکات ایستا با شدت 85 درصد 1RM و با شدت 50 درصد 1RM؛ گرم کردن و اجرای چهار ست چهار تکراره پرش عمودی با اعمال بار 6 درصدی 1RM توسط جلیقه وزنه و با اعمال بار 3 درصدی 1RM توسط جلیقه وزنه را اجرا کردند. پس از گذشت هفت دقیقه و سی ثانیه متعاقب اجرای پروتکل‌‌ها، از آزمودنی‌ها، آزمون وینگیت به‌عمل آمد. برای تجزیه و تحلیل داده‌‌ها از آزمون آنوا با اندازه‌‌گیری تکراری استفاده شد و برای مقایسه دو به دوی پروتکل‌‌ها، از آزمون تعقیبی بنفرونی استفاده شد.
یافته‌ها: نتایج این پژوهش نشان داد، توان بی‌هوازی بین تأثیرات شدت بالا و پایین انقباضات ارادی ایستا (85 و 50 درصد 1RM) و پویا (6 و3 درصد 1RM جلیقه وزنه)، با گرم کردن عمومی، تفاوت معنی‌داری وجود دارد؛ این تفاوت در آزمون پروتکل 3 درصد جلیقه وزنه، در مقایسه با گرم کردن عمومی، معنادار است.
نتیجه‌گیری: نتایج این تحقیق در عملکرد سرعت حرکت با بار جلیقه وزنی 3 درصد، باعث افزایش قابل توجه فاکتور توان بی‌هوازی شده است. بیشترین کارایی این پروتکل‌‌ها در فاکتورهای آمادگی‌‌جسمانی توان بی‌هوازی (توابع قدرت و سرعت)، قابل مشاهده است.
 

کلیدواژه‌ها

موضوعات

عنوان مقاله [English]

Comparing the effects of intensity and type of static and dynamic voluntary contractions on the anaerobic power of volleyball players

نویسنده [English]

  • Mohammad Hasani
Ph.D., Department of Sports Physiology, Applied Science University, Qom, Iran
چکیده [English]

Purpose: The purpose of the present study was to compare the effects of the intensity and type of voluntary contractions on the anaerobic capacity of young male volleyball players in Qom.
Method: This research was conducted semi-experimentally, with a cross-sectional and applied design, on 12 young male volleyball players in Qom, with at least two years of sports experience. The studied samples, on five different days, randomly one of the protocols of warming up, warming up and performing three sets of four seconds of static half-squat with an intensity of 85% of 1RM and with an intensity of 50% of 1RM; They warmed up and performed four sets of four repetitions of vertical jump with 6% 1RM load by weight vest and 3% 1RM load by weight vest. After 7 minutes and 30 seconds following the implementation of the protocols, the subjects were given the Wingate test. ANOVA test with repeated measures was used to analyze the data, and Benferroni's post hoc test was used to compare the two protocols.
Findings: The results of this research showed that there is a significant difference in anaerobic power between the effects of high and low intensity voluntary contractions of static (85 and 50% 1RM) and dynamic (6 and 3% of 1RM weight vest), with general warm-up; This difference is significant in the 3% weight vest protocol test, compared to the general warm-up.
Conclusion: The results of this research have significantly increased the anaerobic power factor in the performance of movement speed with a 3% weight vest load. The most effective of these protocols can be seen in the physical fitness factors of anaerobic power (power and speed functions).
 
 

کلیدواژه‌ها [English]

  • Static voluntary contractions
  • Dynamic voluntary contractions
  • Anaerobic capacity
  • Volleyball players
  • Qom city
  • Men

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پژوهش های کاربردی در تغذیه ورزشی و علم تمرین
دوره 1، شماره 1
فروردین 1403
صفحه 39-54

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