نوع مقاله : مقاله پژوهشی
نویسندگان
1 دانشجوی دکتری، گروه فیزیولوژی ورزشی، دانشکده علوم ورزشی ، دانشگاه مازندران، بابلسر، ایران
2 استادیار گروه فیزیولوژی ورزشی، دانشکده علوم ورزشی، دانشگاه مازندران، بابلسر، ایران.
3 استاد گروه فیزیولوژی ورزشی، دانشکده علوم ورزشی، دانشگاه مازندران، بابلسر، ایران. مرکز تحقیقات سلامت و عملکرد ورزشی، دانشگاه مازندران، بابلسر، ایران.
چکیده
زمینه و هدف: شیوع COVID-19 تاثیری زیادی بر همه جنبه های زندگی بشر داشته و برای کنترل آن، استفاده از ماسک های تنفسی به عنوان ابزاری کنترلی، گسترش یافته است. هدف مطالعه حاضر بررسی تاثیر استفاده از ماسک های پزشکی بر پاسخ های قلبی – عروقی و درک فشار زنان سالم حین اجرای یک پروتکل ورزشی زیربیشینه بود. روش تحقیق: این یک طرح تحقیق تصادفی جهت ارزیابی اثرات ماسک های تنفسی(N95 در برابر جراحی) و یا وضعیت بدون ماسک، متعاقب یک فعالیت زیربیشینه ( با شدت 60 تا 70 درصد حداکثر ضربان قلب) در سه گروه زنان داوطلب سالم (به ترتیب با میانگین سن و نمایه توده بدن معادل 6±3/28 سال و 3±23 کیلوگرم بر متر مربع) اجرا شد. شرکت کنندگان در گروه های تمرین زیربیشینه با ماسک N95 ، تمرین زیربیشینه با ماسک جراحی، و تمرین زیربیشینه بدون ماسک قرار گرفتند. پارامترهای قلبی - عروقی شامل مدت QRS، فاصله QT، قطعه ST و مدت موج P با دستگاه ECG ارزیابی و داده ها با آزمون تحلیل واریانس یک راهه و آزمون تعقیبی توکی در سطح p≤0/05حلیل شدند. یافته ها: پوشیدن ماسک تاثیر معنی داری بر درصد اشباع هموگلوبین از اکسیژن (77/p=0)، ضربان قلب (34/p=0)، فاصله QT (64/p=0)، قطعه ST (58/p=0)، مدت موج QRS (67/p=0) و مدت موج P (45/p=0) متعاقب فعالیت زیربیشینه روی نوارگردان نداشت. میزان درک فشار متعاقب فعالیت با ماسک N95 افزایش معنی داری نسبت به گروه بدون ماسک (006/0=p) و افزایش غیرمعنی داری در مقایسه با گروه با ماسک جراحی (06/0=p) داشت. نتیجه گیری: پوشیدن یک ماسک تنفسی، بویژه ماسک جراحی در حین اجرای فعالیت ورزشی زیربیشینه، بر پاسخ های قلبی عروقی و عملکرد زنان سالم تاثیر زیان باری ندارد.
کلیدواژه‌ها
عنوان مقاله [English]
The effect of using medical masks on cardiovascular responses and rating of perceived exertion of health women during a submaximal exercise protocol
نویسندگان [English]
- Foruzan Zahedmanesh 1
- Khadijeh Nasiri 2
- Vliollah Dabidi Roshan 3
1 Ph.D student in Exercise Physiology, University of Mazandaran, Babolsar, Iran.
2 Assistant Professor, Department of Exercise Physiology, Sport Sciences Faculty, University of Mazandaran, Babolsar, Iran.
3 Full Professor, Department of Exercise Physiology, Sport Sciences Faculty, University of Mazandaran, Babolsar, Iran. Athletic Performance and Health Research Center, University of Mazandaran, Babolsar, Iran.
چکیده [English]
Background and Aim: COVID-19 prevalence has a tremendous effect on almost all aspect of human life and wearing respiratory facemasks are recommended as a means of virus control. The aim of the current study was to examine the effect of using medical masks on cardiovascular responses and rating of perceived exertion (RPE) in healthy women during a submaximal exercise (SE) protocol. Materials and Methods: This randomized study conducted to evaluate the effects of respiratory facemasks (N95 versus surgical), or no mask status, following a submaximal exercise (with 60 to 70% intensity of maximal heart rate) in three groups of healthy volunteers females (mean age and body mass index of 28.3±6 years and 23±3 kg/m2, respectively). Participants divided into submaximal exercise+N95 mask, submaximal exercise+surgical mask, and submaximal exercise+Nomask groups. Cardiovascular parameters including QRS duration, QT interval, ST segment, and P wave duration were assessed by an electrocardiogram system; then data were analyzed using one-way analysis of variance and Tukey tests at the significant level of p≤0.05. Result: Wearing face masks had no effect on SPO2% (p=0.77), heart rate (p=0.34), QT distance (p=0.64), ST segment (p=0.58), QRS wavelength (p=0.67), and P wavelength (p=0.45)) following SE on treadmill. Values of RPE in the N95 mask group increased significantly as compared to the NoMask (p=0.006) group; while it increased insignificantly when compared to the surgical mask (p=0.06) group. Conclusion: Wearing a surgical facemask, specifically surgical facemask, during a submaximal exercise protocol does not have a detrimental effects on cardiovascular markers and performance of healthy women.
کلیدواژه‌ها [English]
- Respiratory facemask
- COVID-19 pandemic
- Submaximal exercise
- Cardiovascular risk factors
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