نوع مقاله : مقاله پژوهشی

نویسندگان

1 2- دانشجوی کارشناسی ارشد بیومکانیک ورزشی، گروه مدیریت و بیومکانیک ورزشی، دانشکده علوم تربیتی و روان شناسی، دانشگاه محقق اردبیلی،

2 استادیار بیومکانیک ورزشی، گروه تربیت بدنی و علوم ورزشی، دانشکده روانشناسی و علوم تربیتی، دانشگاه محقق اردبیلی، اردبیل، ایران.

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

چکیده

پای پرونیت و سوپینیت به عنوان ناهنجاری‌های رایج پا با تغییر بیومکانیک راه رفتن می‌تواند باعث آسیب دیدگی در اندام تحتانی شود. هدف از این پژوهش بررسی طیف فرکانس عضلات منتخب اندام تحتانی در سطح زمین در مقایسه با چمن مصنوعی در افراد دارای ناهنجاری پا طی راه رفتن است. در این مطالعه نیمه‌تجربی 10 نفر مرد دارای پای پرونیت، 10 نفر پای سوپینیت و 10 نفر سالم با دامنه سنی 25-20 سال شرکت نمودند. برای ثبت طیف فرکانس عضلات منتخب از یک دستگاه الکترومایوگرافی بایومتریکس استفاده شد. از نرم‌افزار بایومتریکس دیتا لایت برای استخراج فرکانس عضلات منتخب طی 3 فاز راه رفتن (استفاده شد. نتایج نشان داد که فرکانس فعالیت عضله راست‌رانی و عضله سرینی میانی طی فاز پاسخ بارگیری راه‌رفتن در سطح چمن در مقایسه با سطح زمین افزایش یافته است. فعالیت در عضله دوقلو و پهن خارجی در گروه سالم نسبت به گروه پرونیت و سوپینیت بیش‌تر است. نتایج حاصل از تحقیق حاضر نشان می‌دهد که استفاده از چمن مصنوعی برای افراد با ناهنجاری پا با توجه با افزایش فعالیت راست‌رانی و سرینی‌ میانی طی فاز پاسخ بارگیری می‌تواند مفید باشد.

کلیدواژه‌ها

عنوان مقاله [English]

Evaluation Frequency Spectrum of Selected lower limb muscles ‌on surface of Earth Compared with Artificial Turf in individuals with Deformity of the foot during walking

نویسندگان [English]

  • Arezo Maddahikivi 1
  • AmirAli Jafarnezhadgero 2
  • Aydin Valizadehorang 3

1 MSc of Sport Biomechnics, Department of Psychology, Faculty of Educational Sciences and Psychology, University of Mohaghegh Ardabili, Ardabil, Iran

2 Department of Physical Education and Sport Sciences, Faculty of Educational Science and Psychology, University of Mohaghegh Ardabili, Ardabil, Iran.

3 University of Mohaghegh Ardabili.,Ardabil, Iran

چکیده [English]

Pronated and supinated foot as common foot deformity with biomechanical changes in walking can cause injury to the lower limbs. In this quasi-experimental study, 10 men with pronated foot, 10 supinated foot and 10 healthy people aged 20-30 years volunteered to participate. A biometrics electromyographic machine was used to record the frequency spectrum of selected muscles. DataLight biometrics software was used to extract the frequency of selected muscles during 3 phases of walking. The results showed that the frequency of Rectus femoris muscle and the Gluteal muscles increased during the loading phase of walking on the grass compared to the ground. Gastrocnemius muscle and Vastus lateralis muscle activity is higher in the healthy group than in the pronated and supinated groups. The results of the present study show that the use of artificial turf for people with foot deformities can be useful due to the increased activity of Rectus femoris muscle and the Gluteal muscles during the loading phase.

کلیدواژه‌ها [English]

  • Frequency Spectrum
  • Artificial Turf
  • walking
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