مقایسه فعالیت عضلانی در افراد مبتلا به کووید -19 با همسالان سالم طی راه رفتن

نوع مقاله: مقاله پژوهشی

نویسندگان

1 دانشیار بیومکانیک ورزشی، گروه تربیت بدنی و علوم ورزشی، دانشکده علوم تربیتی و روانشناسی، دانشگاه محقق اردبیلی، اردبیل، ایران

2 استادیار فیزیولوژی ورزشی، گروه فیزیولوژی ورزشی، دانشکده علوم تربیتی و روانشناسی، دانشگاه محقق اردبیلی، اردبیل، ایران

3 کارشناس ارشد بیومکانیک ورزشی، گروه مدیریت و بیومکانیک ورزشی، دانشکده علوم تربیتی و روانشناسی، دانشگاه محقق اردبیلی، اردبیل، ایران

10.22037/jrm.2021.114587.2563

چکیده

مقدمه و هدف
هدف از پژوهش حاضر مقایسه طیف فرکانس عضلات اندام تحتانی در بیماران مبتلا به کووید-19 با همسالان سالم طی راه رفتن بود.
مواد و روش­ ها
نمونه آماری پژوهش حاضر شامل 15 بیمار مبتلا به کووید-19 (با میانگین سنی:  9/1 ± 24/ 6) و 15 فرد سالم (با میانگین سنی: 8/0± 23/2 سال) بود که به طور در دسترس انتخاب شدند. فعالیت الکتریکی عضلات منتخب اندام تحتانی با استفاده از دستگاه الکترومایوگرافی ثبت شد. تحلیل داده­ ها با استفاده از آزمون آماری t مستقل انجام شد.
یافته ها
طی مرحله پاسخ بارگیری در عضلات پهن داخلی، پهن خارجی و سرینی میانی طیف فرکانس در گروه بیماران به طور معنی­داری نسبت به گروه سالم بالاتر بود (0/05˂P). طی فاز میانه اتکا تمامی عضلات مورد بررسی مقادیر مشابهی در میانه طیف فرکانس را در دو گروه نشان دادند (0/05<P).
نتیجه گیری
کاهش ظرفیت عملکردی عضلات اندام تحتانی منجر به عدم کنترل مناسب نیروی عکس­ العمل زمین می­شود که احتمال آسیب و سقوط را در بیماران افزایش می­دهد.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Comparison of Muscular Activities in Patients with Covid19 and Healthy Control Individuals during Gait

نویسندگان [English]

  • Amirali Jaafarnejad 1
  • Aidin Valizade-Orang 2
  • Kosar Ghaderi 3
1 Associate Professor of Sport Management, Department of Physical Education and Sport Sciences, Faculty of Educational Sciences and Psychology, University of Mohaghegh Ardabili, Ardabil, Iran
2 Assistant Professor of Sport Physiology, Department of Sport Physiology, Faculty of Educational Sciences and Psychology, University of Mohaghegh Ardabili, Ardabil, Iran
3 MSc of Sport Biomechanics, Department of Sport Management and Biomechanics, Faculty of Educational Sciences and Psychology, University of Mohaghegh Ardabili, Ardabil, Iran
چکیده [English]

Background and Aims: The aim of the present study was to compare the frequency spectrum of lower limb muscles in patients with Covid-19 and healthy control individuals during gait.
Materials and Methods: The statistical sample of the present study included 15 patients with Covid-19 (age: 24.6± 9.1) and 15 healthy individuals (age: 23.2 ±8.0) who were selected using convenience sampling. The electrical activity of selected lower limb muscles was recorded using electromyography system during gait. Independent sample t-test was used for statistical analysis.
Results: During loading response phase, the frequency spectrum in the vastus medialis, vastus lateralis, and gluteus medius muscles were significantly greater in the patient group than those in the healthy group (p < 0.05). During mid-stance phase, all of the selected muscles showed a similar median frequency values in the two groups (P>0.05).
Conclusion: Lowering the functional capacity of the lower limb muscles results in a lack of proper control of the ground reaction forces, which could increase the likelihood of injury and falls in patients.
 

کلیدواژه‌ها [English]

  • COVID-19
  • Electromyography
  • frequency spectrum
  • gait
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