تأثیر فوری اعمال اسپری های سردکننده بر نوسان پوسچر در دانشجویان فوتبالیست مرد

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی دکتری، گروه آسیب شناسی و حرکات اصلاحی، دانشکده تربیت بدنی دانشگاه شهید باهنر، کرمان، ایران

2 استادیار، گروه بهداشت و طب ورزشی، دانشکده تربیت بدنی دانشگاه تهران، تهران، ایران

3 3. استاد، گروه بهداشت و طب ورزشی، دانشکده تربیت بدنی دانشگاه تهران، تهران، ایران

10.22037/jrm.2016.1100259

چکیده

مقدمه و اهداف
کنترل پوسچر اساس عملکرد حرکات بدن بوده و وجود آن برای بیشتر فعالیت‌های روزمره و همچنین فعالیت­های ورزشی مورد نیاز است. عوامل متعددی می‌توانند بر میزان کارایی سیستم کنترل پوسچر تأثیر منفی گذاشته و ثبات پوسچر را کاهش دهند. گزارش شده است که سرما یکی از این عوامل است که می تواند با تاثیر گذاشتن روی سیستم عصبی عضلانی موجب افزایش نوسان پوسچر شود. بنابر­این هدف از تحقیق حاضر بررسی نوسان پوسچر فوتبالیست­های دانشگاهی، متعاقب یک پروتکل سرمادهی مچ پا با استفاده از اسپری­های سردکننده بود.
مواد و روش ها
تحقیق حاضر از نوع نیمه تجربی می­باشد. 30 فوتبالیست مرد دانشگاهی با میانگین سنی 29/1±2/23 سال، وزن 73/6±5/69 کیلوگرم و قد 92/5±11/177سانتیمتر، به صورت هدفمند انتخاب شدند. شاخص­های نوسان پوسچر آزمودنی­ها توسط دستگاه توزیع فشار ‌اندازه‌گیری شد و اعداد بدست آمده به عنوان رکورد پیش آزمون ثبت ‌شد. در ادامه، اعمال سرما با استفاده از اسپری­های سردکننده و به طور همزمان از جانب داخل و خارج مچ پا صورت گرفت و بلافاصله پس از آن دوباره شاخص­های نوسان پوسچر ‌اندازه‌گیری و اطلاعات آن به عنوان رکورد پس آزمون ثبت ‌شد. از آزمون t زوجی به منظور مقایسه میانگین پیش آزمون و پس آزمون استفاده شد.
یافته ها
نتایج نشان داد که علیرغم افزایش نسبی شاخص­های نوسان پوسچر آزمودنی­ها پس از به کار بردن اسپری­های سردکننده، از نظر آماری اختلاف معناداری میان این شاخص­ها قبل و بعد از سرمادرمانی وجود ندارد )05/0(P>.
نتیجه گیری
به نظر می رسد که استفاده از اسپری­های سرد کننده برای سرمادهی موضعی مچ پا، اثر معناداری بر نوسان پوسچر فوتبالیست‌های دانشگاهی نداشته است. با این وجود از آنجا که افزایش ناچیزی در شاخص­های نوسان پوسچر آزمودنی­ها پس از سرمادرمانی بوجود آمده، بهتر است که نتایج بدست آمده از این تحقیق با احتیاط تفسیر شود.

کلیدواژه‌ها


عنوان مقاله [English]

The immediate effects of applying the cold spray on postural sway in male college soccer players

نویسندگان [English]

  • Ramin Beyranvand 1
  • Foad Seidi 2
  • Reza Rajabi 3
1 PhD Student, Department of Sport Injury and Corrective Exercises, Faculty of Physical Education & Sport Sciences, Shahid Bahonar University, Kerman, Iran
2 Assistant Professor, Department of Health & Sport Medicine Exercises, Faculty of Physical Education & Sport Sciences, University of Tehran, Tehran, Iran
3 Professor, Department of Health & Sport Medicine, Faculty of Physical Education & Sport Sciences, University of Tehran, Tehran, Iran
چکیده [English]

Background and Aim: Postural control is the base of body movements and is required for most daily and sports activities. Several factors can affect the performance of postural control system and reduce postural stability. According to the previous studies, the cold is one of the factors that can influence the neuromuscular system and thus increase postural sway. Therefore, the present study was conducted to assess the postural sway of college soccer players following a protocol of local cold application by cold spray at ankle joint.
Materials and Method In the present quasi-experimental study, 30 male college soccer players were purposefully selected with a mean age of 23/2 ± 1/29 years, mean weight of 69/5 ± 6/73 kg, and mean height of 177/11 ± 5/92 cm. Postural sway characteristics of the participants were measured by the pressure distribution detecting device and the data was recorded as pre-test scores. Next, the cold spray was simultaneously applied on both medial and lateral aspects of the ankle joint of the dominant leg. Immediately then, the postural sway characteristics were measured again and the data was recorded as post-test scores. T-test was used to compare the means.
Results: The results showed that despite the relative increase in postural sway characteristics of the participants after using the cold spray, there was no significant difference between these characteristics before and after cryotherapy.
Conclusion: It seems that using cold spray for local cooling of ankle joint has no significant effect on the postural sway in college soccer players. Nonetheless, because of the slight increase in postural sway characteristics after cryotherapy, the results of the study should be interpreted with caution.

کلیدواژه‌ها [English]

  • Postural sway
  • Ankle joint
  • Cryotherapy
  • Soccer players walking
  • Gnu varum
  • Karate
  • Center of pressure
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