اثر یک دوره آزمایش اصلاحی بر طیف فرکانس فعالیت الکتریکی عضلات در کودکان دارای عارضه سربه­‌جلو طی تایپ کردن

نوع مقاله : مقاله پژوهشی

نویسندگان

1 گروه بیومکانیک ورزشی، دانشکده علوم تربیتی و روانشناسی، دانشگاه محقق اردبیلی، اردبیل، ایران.

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

چکیده

اهداف: عارضه سر­به‌­جلو یکی از دلایل ایجاد آسیب در ناحیه گردنی است. هدف پژوهش حاضر، بررسی اثر یک دوره آزمایش اصلاحی بر طیف فرکانس فعالیت الکتریکی عضلات در کودکان دارای عارضه سربه­‌جلو طی تایپ کردن است.
مواد و روش‌ها: پژوهش حاضر از نوع نیمه‌­تجربی و آزمایشگاهی بود. شرکت­‌کنندگان شامل دانش‌­آموزان (13–11 سال) با میانگین قد 1/50±153/38 سانتی‌­متر و جرم 40/1±52/25 کیلوگرم بودند. برای ثبت فعالیت الکتریکی عضلات از دستگاه الکترومایوگرافی استفاده شد. برای تحلیل آماری از آزمون آنالیز واریانس دوسویه استفاده شد. تحلیل‌های آماری در سطح معنا­داری 0/05 انجام شد.
یافته‌ها: مقدار میانه طیف فرکانس عضله گوش‌ه­ای و دلتوئید میانی طی 10 ثانیه ابتدایی و انتهایی فعالیت تایپ کردن و عضله جناغی چنبری پستانی طی 10 ثانیه انتهایی تایپ کردن در گروه آزمایش طی پس‌­آزمون در مقایسه با پیش‌­آزمون اختلاف معناداری را نشان داد.
نتیجه‌گیری: با توجه به نتایج پژوهش حاضر، آزمایشات اصلاحی منتخب تأثیر معناداری را بر تغییرات طیف فرکانس فعالیت الکتریکی کودکان سربه‌­جلو نشان داد که می‌­تواند از خستگی زودهنگام در این عضلات جلوگیری کند.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Effect of a Corrective Exercise Program on the Electrical Muscle Activity in Children With Forward Head Posture during Typing

نویسندگان [English]

  • Amirali Jafarnezhadgro 1
  • Jaber Khodapanah Ajirlou 1
  • Arefeh Mokhtari Malekabadi 1
  • Aidin Valizade-Orang 2
1 Department of Sport Biomechanics, Faculty of Educational Sciences and Psychology, University of Mohaghegh Ardabili, Ardabil, Iran.
2 Department of Exercise Physiology, Faculty of Educational Sciences and Psychology, University of Mohaghegh Ardabili, Ardabil, Iran.
چکیده [English]

Background and Aims: Forward Head Posture (FHP) is one of the causes of cervical injury. The present study aims to evaluate the effect of a corrective exercise program on the electrical muscle activity in children with PHP during typing.
Methods: This quasi-experimental study was conducted on 30 children with FHP aged 11-13 years (Mean ±SD height=153.38±1.51 cm, Mean ±SD weight= 52.51±40.1 kg). To record the electrical activity of the muscles, a electromyography system was used. For statistical analysis, the two-way ANOVA was used. For all statistical analyses, the significance level was set at 0.05.
Results: In the exercise group, the post-test frequency spectrum in the levator scapulae and middle deltoid over the first and last 10 seconds of typing and in the sternocleidomastoid muscle in the final 10 seconds of typing were significantly different compared to the pre-test score.
Conclusion: The corrective exercise program can affect the frequency spectrum of the electrical muscle activity in children with FHP, which can prevent from early fatigue in the muscles.

کلیدواژه‌ها [English]

  • Forward head
  • Electromyography
  • Children
  • Typing task
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دوره 10، شماره 2
خرداد و تیر 1400
صفحه 306-319
  • تاریخ دریافت: 23 آذر 1398
  • تاریخ بازنگری: 16 اسفند 1398
  • تاریخ پذیرش: 25 تیر 1399
  • تاریخ اولین انتشار: 01 خرداد 1400