اثرات راه رفتن با توجه درونی و بیرونی بر تعادل و الگوی توزیع فشار کف پایی در بیماران کمردرد

نوع مقاله : مقاله پژوهشی

نویسندگان

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

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

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

4 کارشناس ارشد بیومکانیک ورزشی، گروه تربیت بدنی و علوم ورزشی، دانشکده علوم تربیتی و روانشناسی، دانشگاه محقق اردبیلی، اردبیل، ایران

چکیده

مقدمه و اهداف
متغیرهای فشار کف پایی و اندازه­گیری و مقایسه آن­ها را می­توان ابزار مناسبی جهت ارزیابی و سنجش کارایی حرکت به ویژه در افراد دارای کمردرد دانست. هدف از پژوهش حاضر بررسی اثرات راه رفتن با توجه درونی و بیرونی بر تعادل و الگوی توزیع فشار کف پایی در بیماران دارای کمردرد بود.
مواد و روش ها
نمونه پژوهش حاضر از نوع کارآزمایی بالینی شامل 15 زن (سن: 15/1±86/22 سال، قد:54/1±53/162 سانتی­متر، وزن: 42/2±06/61 کیلوگرم) دارای عارضه کمردرد بود. مقادیر فشار کف پایی طی سه شرایط راه رفتن عادی، با توجه درونی و بیرونی توسط دستگاه فوت اسکن با نرخ نمونه­برداری 300 هرتز ثبت شد. تمام تحلیل­ها با استفاده از نرم­افزار اس.پی.اس.اس نسخه 22 انجام پذیرفت. از آزمون آماری آنالیز واریانس با اندازه­های تکراری جهت تحلیل آماری داده­ها استفاده شد.
یافته­ ها
نتایج نشان داد که مقادیر زمان رسیدن به اوج نیروی عکس­العمل زمین طی فازهای تماس پاشنه، میانه استقرار و هل دادن در شرایط راه رفتن با توجه درونی نسبت به راه رفتن عادی و در شرایط راه رفتن با توجه درونی نسبت به راه رفتن با توجه بیرونی افزایش معناداری داشت. مقادیر اوج نیرو و فشار وارده بر ناحیه کف پایی دوم در شرایط راه رفتن عادی نسبت به راه رفتن با توجه درونی و در شرایط راه رفتن با توجه بیرونی نسبت به راه رفتن با توجه درونی افزایش معناداری یافت. مقادیر اوج نیروی وارده بر ناحیه خارجی پاشنه در شرایط راه رفتن عادی نسبت به راه رفتن با توجه درونی و در شرایط راه رفتن با توجه بیرونی نسبت به راه رفتن با توجه درونی افزایش یافت.
نتیجه­ گیری
شرایط راه رفتن با توجه بیرونی و درونی بر روی مدت زمان اتکا اثر معناداری را دارا نمی­باشد. همچنین، میزان نرخ بارگذاری نیروی عمودی عکس­العمل زمین در شرایط راه رفتن با توجه درونی نسبت به راه رفتن با توجه بیرونی کاهش یافت.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Effects of Walking with Internal and External Attention on the Balance and Plantar Pressure Pattern in Patients with Low Back Pain

نویسندگان [English]

  • Mahrokh Dehghani 1
  • Amiali Jaafarnejad 2
  • Nasrin Azizian 3
  • Seyed Majid Alavi Mehr 4
1 Assistant Professor of Motor Behavior, Department of Physical Education and Sport Sciences, Faculty of Educational Sciences and Psychology, University of Mohaghegh Ardabili, Ardabil, Iran
2 Assistant Professor of Sport Management, Department of Physical Education and Sport Sciences, Faculty of Educational Sciences and Psychology, University 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 of Sport Biomechanics, Department of Physical Education and Sport Sciences, Faculty of Education Sciences and Psychology, University of Mohaghegh Ardabili, Ardabil, Iran
چکیده [English]

Background and Aims: Plantar pressure variables and their measurement and comparison can be considered as a useful tool for assessing the effectiveness of motion, especially in patients with low back pain. The aim of the present study was to investigate the effects of walking with internal and external attention on the balance and foot pressure patterns in patients with low back pain.
Materials and Methods: The sample of the present trial study included 15 women (Age: 22.86±1.15 years, Height: 162.53±1.54 cm, Weight: 61.06±2.42 kg) with low back pain. Plantar pressure values were recorded during normal walking, internal, and external attention walking using a foot scan system with 300 Hz sample rate. All analyses were performed using SPSS, version 22. A repeated measures ANOVA was used for statistical analysis.
Results: The results showed an increase in the time to peak of ground reaction force values during heel-contact, mid-stance, and push-off phases in the internal attention walking compared to normal walking conditions and increased walking with internal attention compared to walking with external attention conditions. The ground reaction force and the plantar pressure peak values on the Metatarsal 2 region increased in normal walking compared to walking with internal attention conditions and increased in walking with external attention as compared to walking with internal attention conditions. The ground reaction force peak values on the lateral heel region increased in normal walking compared to internal attention walking conditions and increased in external attention walking compared to internal attention walking conditions.
Conclusion:Internal and external attention walking conditions do not have significant effects on stance time. Also, the loading rate of ground reaction force values decreased in internal attention walking as compared to external attention walking conditions.

کلیدواژه‌ها [English]

  • Internal and external attention
  • Gait
  • Low back pain
  • Plantar pressure variables
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