تاثیر یک جلسه تحریک جریان مستقیم قشر پیش حرکتی بر کنترل پاسچر ورزشکاران معلول قطع عضو اندام تحتانی

نوع مقاله: مقاله پژوهشی

نویسندگان

1 استادیار رفتارحرکتی، گروه تربیت بدنی، دانشگاه آزاد اسلامی واحد تهران شرق، تهران، ایران

2 کارشناسی ارشد، یادگیری و کنترل حرکتی، گروه تربیت بدنی، دانشگاه آزاد اسلامی واحد تهران شرق، تهران، ایران

چکیده

مقدمه و اهداف
تحریک الکتریکی مغز یک تکنیک تحریکی با هزینه پایین است که به­خصوص در دهه­های اخیر توجه بسیاری از محققین را به خود جلب کرده است. هدف از پژوهش حاضر تعیین تأثیر یک جلسه تحریک جریان مستقیم ترانس کرانیال قشر پیش ­حرکتی بر کنترل پاسچر ورزشکاران معلول قطع عضو اندام تحتانی می­ باشد.
مواد و روش­ ها
در پژوهش حاضر، شرکت­ کننده ­ها 45 نفر ورزشکاران معلول قطع عضو اندام تحتانی بین سنین 30 تا 45 سال بودند. دو گروه تجربی که در پس­آزمون تحت تحریک الکتریکی به مقدار 2 میلی­آمپر به مدت 20 دقیقه قرار گرفتند و یک گروه کنترل که تحت تحریک جریان مستقیم ترانس کرانیال شم قرار گرفتند. در هر دو مرحله پیش ­آزمون و پس ­آزمون، گروه آزمون سازمان‌دهی حسی دستگاه پاسچروگرافی و تحت ارزیابی متغیرهای کینتیک کنترل پاسچر قرار گرفتند. داده­ ها به وسیله تحلیل واریانس یک­ راهه به منظور آزمون تفاوت در معناداری متغیرهای استفاده شد و آزمون تعقیبی بونفرونی برای تعدیل سطح معناداری مقایسه­ های چندگانه استفاده گردید (0/05<p).
یافته­ ها
یافته ­ها نشان داد که تحریک الکتریکی مغز بر کنترل پاسچر ورزشکاران معلول قطع عضو اندام تحتانی هر دو گروه تجربی نسبت به گروه کنترل در هر شش شاخص پایداری تأثیر معناداری داشت.
نتیجه ­گیری
مطابق با نتایج پژوهش حاضر، یک جلسه تحریک جریان مستقیم ترانس کرانیال می­تواند باعث ارتقاء متغیرهای کینتیک کنترل پاسچر ورزشکاران معلول قطع عضو اندام تحتانی گردد.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

Effect of a Primary Motor Cortex Transcranial Direct Current Simultion Session on Postural Control of Disabled Athletes with Lower Limb Amputees

نویسندگان [English]

  • Mahtab Arabi 1
  • Mina Fardin 2
1 PhD, Assistant Professor of Motor Behavior, Department of Physical Education, Azad Islamic University of branch East Tehran, Tehran, Iran
2 MSc of Motor Learning and Control, Department of Physical Education, Azad Islamic University of branch East Tehran, Tehran, Iran
چکیده [English]

Background and Aims: Brain electrical stimulation is a low-cost stimulant technique, which has attracted the attention of many researchers in recent decades. The aim of the present study was to investigate the effect of one session transcranial direct current simulation on postural control of disabled athletes with lower limp amputees.
Materials and Methods: In the present study, participants included 45 disabled athletes with lower limb amputees, aged 30-45. Two experimental groups were exposed to electrical stimulation for 2 mA for 20 minutes, and one control group was exposed to sham transcranial direct current simultion. Then, all groups were evaluated by SOT postural control to exposed variables in sensory organizing test. Data were analyzed using ONE way ANOVA to test the difference in the significance of the variables and Bonfrrons post hoc test was used to adjust significance level of multiple comparisons (p˂0/05).
Results: Findings showed that brain electrical stimulation had a significant effect on the improvement pf postural control in athletes with lower limb amputees in both experimental groups in all six values Equilibrium compared to those in the control group.
Conclusion: According to the results of the current study, one session transcranial direct current simultion can improve kinetic postural control parameters in athletes with lower limb amputees

کلیدواژه‌ها [English]

  • Brain electrical stimulation
  • Balance
  • Amputee
  • Anodal
  • Catodal
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