نوع مقاله : مقاله پژوهشی Released under CC BY-NC 4.0 license I Open Access I
نویسندگان
1 دانشکدۀ تربیت بدنی و علوم ورزشی، دانشگاه مازندران
2 استاد گروه فیزیولوژی ورزشی، دانشکدۀ تربیت بدنی و علوم ورزشی، دانشگاه مازندران
3 دانشیار گروه فیزیولوژی دانشگاه علوم پزشکی گلستان
چکیده
هدف پژوهش حاضر، بررسی تأثیر گروه‌های سنی مختلف و نوع پروتکل تمرینی بر عملکرد تنفسی مردان، متعاقب اجرای پروتکل هوازی پیش‌رونده بود. از بین مردان سالم با میانگین سنی 7/1±7/12، 9/4±3/34 و 7/5±52 سال، که داوطلب شرکت در این پژوهش بودند، 37 نفر انتخاب شدند. ابتدا کارسنج پایی با تعداد دور ثابت پنجاه دور در دقیقه و با شدت اولیۀ حدود پنجاه وات شروع و هر 2 دقیقه، 25 وات به آن اضافه شد. پس از یک ساعت استراحت،آزمون کارسنج دستی هم با همان شدت کارسنج پایی انجام و ظرفیت حیاتی اجباری و حجم بازدمی با فشار با روش اسپیرومتری در قبل و بلافاصله پس از اجرای کارسنج‌ها اندازه‌گیری شد.
داده‌‌ها با استفاده از روش‌های آماری آنالیز دوطرفه، ANOVA، t زوجی و آزمون تعقیبی توکی در معنی‌داری (05/0p<) تجزیه‌‌وتحلیل شدند. نتایج نشان داد که سن و نوع پروتکل بر FVC و FEV1 اثر معنی‌داری دارد، طوری که سطح FVC متعاقب اجرای کارسنج پایی و دستی، در افراد نابالغ به‌طور معناداری از سالمند و میانسال کمتر(05/0p<) و میانسال از سالمند بیشتر بود (05/0p<). به‌علاوه، FEV1 متعاقب اجرای کارسنج‌ها به‌طور معنی‌دار در گروه میانسال از سالمند (05/0p<) بیشتر و نابالغ از سالمند و میانسال کمتر بود(05/0p<). اثر تعاملی هم‌سن و نوع پروتکل‌های تمرینی بر روی شاخص‌های ریوی مشخص شد. به‌علاوه، روشن شد که اجرای پروتکل کارسنج پایی بر گروه سنی نابالغ، FVC را افزایش و FEV1 را در هر سه گروه سنی بهبود داده است؛ اما در پروتکل کارسنج دستی، تنها FEV1 درگروه‌های سنی نابالغ و میانسال بهبود پیدا کرده بود.
کلیدواژه‌ها
عنوان مقاله [English]
The Effect of Different Age Groups and Protocol Type (Leg Ergometer against Arm Ergometer) on Respiratory Function in Men
نویسندگان [English]
- Milad Abdollahi 1
- Valiollah Dabidiroshan 2
- Seyed Mehran Hosseini 3
1 MSc of Sport Physiology, Faculty of Physical Education and Sport Sciences, University of Mazandaran, Babolsar, Iran
2 Professor, Department of Sport Physiology, Faculty of Physical Education and Sport Sciences, University of Mazandaran, Babolsar, Iran
3 Associate Professor, Department of Sport Physiology, Faculty of Physical Education and Sport Sciences, Golestan University of Medical Sciences, Gorgan, Iran
چکیده [English]
The aim of this study was to investigate the effect of different age groups and protocol type on respiratory function in men following a progressive aerobic exercise protocol. 37 healthy males (mean age of 12.7±1.7, 34.3±4.9,52±5.7 yr) were selected voluntarily. At first, the leg ergometer was used with constant 50 rpm and the initial intensity of 50 watts and 25 watts were added every two minutes. After an hour of rest, hand ergometer test was carried out with the same intensity and forced vital capacity and expiratory volume were measured by spirometry before and immediately after the ergometers. Data were analyzed using two-way analysis of variance, ANOVA, paired t test and Tukey post hoc test at P<0.05. The results showed that age and protocol type had a significant effect on FVC and FEV1, that is to say FVC level was significantly lower in young subjects than the elderly and middle-aged subjects (P<0.05) and it was higher in the middle-aged than the elderly (P<0.05) following leg and hand ergometers. In addition, FEV1 was significantly higher in the middle-aged than the elderly following the ergometers (P<0.05) and lower in the young subjects than the elderly and middle-aged (P<0.05). The interactive effect of age and exercise protocol type on respiratory parameters was determined. In addition, it became clear that the leg ergometer increased FVC in young subjects and improved FEV1 in all three age groups, but hand ergometer improved only FEV1 in young and middle-aged subjects.
کلیدواژه‌ها [English]
- age
- progressive exercise
- Puberty
- spirometry
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