تأثیر شش هفته تمرین راه رفتن الاستیکی بر طیف فرکانس نیروهای عکس العمل زمین در مناطق ده‌گانه پای بیماران مبتلا به کمردرد طی دویدن

نوع مقاله: مقاله پژوهشی

نویسندگان

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

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

3 استادیار بیومکانیک ورزشی، گروه تربیت بدنی و علوم ورزشی، دانشکده دانشکده علوم تربیتی و روان شناسی ، دانشگاه محقق اردبیلی، اردبیل، ایران

4 کارشناس ارشد آسیب شناسی ورزشی و حرکات اصلاحی، گروه تربیت بدنی، دانشگاه پیام نور، تهران، ایران

چکیده

مقدمه و اهداف
راه رفتن الاستیکی با درگیری مستقیم فاشیای پشتی-کمری از بروز مجدد کمردرد پیشگیری می­کند. هدف پژوهش حاضر بررسی تاثیر شش هفته راه رفتن الاستیکی بر طیف فرکانس نیروهای عکس­العمل زمین طی دویدن در مناطق ده­گانه پای بیماران مبتلا به کمردرد بود.
مواد و روش ­ها
تعداد 28 مرد مبتلا به کمردرد به طور تصادفی به دو گروه تجربی (16 نفر) و کنترل (12 نفر) تقسیم شدند. آزمودنی­های گروه تجربی به مدت شش هفته، سه جلسه در هفته، چهل و پنج دقیقه در هر جلسه تمرینات راه رفتن الاستیکی را انجام دادند. طیف فرکانس نیروهای عکس­العمل زمین طی پیش و پس­آزمون توسط دستگاه فوت اسکن (نرخ نمونه­برداری: 300 هرتز) ثبت شد.
یافته ­ها
نتایج تحقیق حاضر نشان داد که در گروه تجربی، تعداد هارمونی­های ضروری در استخوان کف پایی دوم در گروه تجربی طی پس­آزمون نسبت به پیش­آزمون کاهش معناداری را دارا بود (017/0=P). همچنین زمان اتکای دویدن در دو گروه تجربی و کنترل طی پیش­آزمون و پس­آزمون برابر بود (05/0<P).
نتیجه­ گیری
نتایج مطالعه حاضر نشان داد اثر تمرینات راه رفتن الاستیکی بر بهبود محتوای فرکانس نیروی عکس­العمل زمین در افراد مبتلا به کمردرد می­تواند ارزش کلینیکی را برای توان‌بخشی این افراد داشته باشد.
واژه­ های کلیدی
 

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Effect of Six Weeks Training of Elastic Walking on Frequency Domain of Ground Reaction Forces during Running in 10 Areas of Foot in Patients with Low Back Pain

نویسندگان [English]

  • Mohammad Abdollahpour Darvishani 1
  • Farnaz Seifi-Skishahr 2
  • AmirAli Jafarnezhadgero 3
  • Mohsen Katanchi 4
1 MSc Student of Sport Biomechanics, Department of Physical Education and Sport Sciences, Faculty of Education Sciences and Psychology, University of Mohaghegh Ardabili, Ardabil, Iran
2 Assistant Professor, Department of Physical Education and Sport Sciences, Faculty of Education and Psychology , Univercity of Mohaghegh Ardabili, Ardabil, Iran.
3 Assistant Professor of Sport Biomechanics, Department of Physical Education and Sport Sciences, Faculty of Educational Sciences and Psychology, University of Mohaghegh Ardabili, Ardabil, Iran
4 Master of Science in Sport Injuries and Corrective exercise, Department of Physical Education, Payame nor University, Tehran, Iran
چکیده [English]

Background and Aim: Elastic walking with direct involvement of thoracolumbar fascia can prevent from recurrent low back pain. The aim of the present study was to investigate the effect of six weeks of training of elastic walking on the frequency domain of ground reaction forces during running in 10 areas of foot in patients with low back pain.
Materials and Methods: A total of 28 men with low back pain were randomly divided into experimental (n=16) and control (n=12) groups. The participants in the experimental group were trained with elastic walking for six weeks, three days per week, each time for 45 min. Frequency domains of ground reaction forces during both pre- and post-test were recorded using a foot scan system (sample rate: 300 Hz).   
Results: The results showed that in experimental group, the number of essential harmonies in the Toe 2 region during post-test was lower than that in the pre-test (P=0.017). The duration of running stance phase during both pre- and post-test were similar in both experimental and control groups (P>0/05).
Conclusion: Findings of the present study demonstrated that the effects of elastic gait training on improvement of ground reaction force frequency content in low back patients may have a clinical value during rehabilitation.

کلیدواژه‌ها [English]

  • Elastic Walking
  • Frequency domain of ground reaction forces
  • Low back pain
  • Running
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