بررسی اثر فوری ارتعاش کل بدن بر حداکثر قدرت ایزومتریک عضلات فلکسور آرنج در افراد غیر ورزشکار و جوان

نوع مقاله : مقاله پژوهشی

نویسندگان

1 کارشناس ارشد فیزیوتراپی، دانشکده علوم توانبخشی، دانشگاه علوم پزشکی شهید بهشتی

2 استادیار گروه فیزیوتراپی، دانشکده علوم توانبخشی و مرکز تحقیقات فیزیوتراپی، دانشگاه علوم پزشکی شهید بهشتی

3 استادگروه فیزیوتراپی، دانشکده علوم توانبخشی و مرکز تحقیقات فیزیوتراپی، دانشگاه علوم پزشکی شهید بهشتی

4 دانشیار گروه فیزیوتراپی، دانشکده علوم توانبخشی، دانشگاه علوم پزشکی تهران

5 دکترای تخصصی آمار زیستی ، دانشیار دانشکده علوم توانبخشی، دانشگاه علوم پزشکی شهید بهشتی

10.22037/jrm.2013.1100106

چکیده

مقدمه و اهداف
ارتعاش کل بدن به عنوان یک شیوه تمرینی موثر برای ساختارهای ماسکلواسکلتال است که ترکیب آن با تمرینات مقاومتی در بهبود قدرت وتوان موثر               می باشد. تاکنون فقط تعداد معدودی از مطالعات اثر ارتعاش کل بدن را بر قدرت عضلات اندام فوقانی  بررسی کرده اند. در اکثر مطالعات تاثیرات ارتعاش کل بدن به طور مستقیم با انجام پرس سینه روی صفحه ارتعاشی بر روی اندام فوقانی مورد مطالعه قرار گرفته است. هدف از این مطالعه بررسی تاثیرات حاد یک جلسه ای ارتعاش کل بدن که به طور غیر مستقیم اعمال می شود ، بر حداکثر قدرت ایزومتریک عضلات فلکسور آرنج در افراد غیرورزشکار و جوان         می باشد.
مواد و روش ها
30داوطلب سالم غیرورزشکار به طور تصادفی در دو گروه  ارتعاش کل بدن(15= N) و گروه کنترل (15= N)  قرار گرفتند. در گروه ارتعاش کل بدن حداکثر قدرت ایزومتریک عضلات فلکسور آرنج قبل و بعد از ارتعاش ( 3 ست 45 ثانیه ای با فرکانس 50 هرتز و دامنه پایین ) با استفاده از ترنسدیوسر اندازه گیری شد . در گروه کنترل نیز همین روند با ویبراسیون خاموش انجام شد.
یافته ها
ارتعاش کل بدن باعث  افزایش قدرت ایزومتریک  عضلات فلکسور آرنج به طور معنی دار می شود (004/0= P)
نتیجه گیری
به نظر می رسد اعمال کوتاه مدت و یک جلسه ای ارتعاش کل بدن که به صورت غیر مستقیم اعمال می شود، روشی موثر در افزایش قدرت ایزومتریک عضلات فلکسور آرنج است . همچنین در صورت استفاده ارتعاش کل بدن با شکل های فانکشنال تمرینات دیگر نتایج بهتری حاصل می شود.

کلیدواژه‌ها


عنوان مقاله [English]

The Immediate Effects of Whole Body Vibration on Maximum Isometric Strength of Elbow Flexor Muscles in non-athletes and young Individuals

نویسندگان [English]

  • Fatemeh Maleki 1
  • Sedigheh Sadat Naimi 2
  • Khosro Khademi-Kalantari 3
  • Azadeh Shadmehr 4
  • Alireza Akbarzadeh Baghban 5
1 MSc in Physiotherapy, Dept. of Physiotherapy, Faculty of Rehabilitation Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
2 Assistant Professor of Physiotherapy, Dept. of Physiotherapy, Faculty of Rehabilitation Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran (corresponding author) naimi.se@gmail.com
3 Professor of Physiotherapy, Dept. of Physiotherapy, Faculty of Rehabilitation Sciences, Tehran University of Medical Sciences, Tehran, Iran
4 Associate Professor of Physiotherapy, Dept. of Physiotherapy, Faculty of Rehabilitation Sciences, Tehran University of Medical Sciences, Tehran, Iran
5 Associate Professor of Biostatistics, Faculty of Rehabilitation Sciences. Shahid beheshti University of Medical Sciences, Tehran, Iran
چکیده [English]

Background and Aim: Whole Body Vibration is as an effective exercise modality for musculoskeletal structure that is combination with conventional resistance training, is effective in improving strength and power. So far, only a few studies have examined the effects of whole body vibration on upper limb muscle strength. In most studies the effects of whole body vibration was studied during push up directly on vibration plate. The aim of this study is to investigate the acute indirect effects of a single session of whole body vibration on maximum isometric strength of the elbow flexor muscles in non-athletes and young individuals.
Material and Method: Thirty healthy and non-athletes volunteers were randomly assigned into two groups of Whole body vibration (N=15) and control group (N=15). Maximal isometric strength of the elbow flexor muscles of the whole body vibration group before and after vibration (3 sets of 45 seconds, 50 Hz and low amplitude) was measured using transducer. In the control group, the same procedure was carried out without vibration.
Result: Whole body vibration enhances isometric strength of the elbow flexor muscles significantly (P=.004).
Conclusion: It seems that the short-term and one session of whole body vibration, which indirectly apply, is an effective method in increasing isometric strength of elbow flexor muscles . Also, if you use whole body vibration with the functional forms of other exercises, better result will be achieved.

کلیدواژه‌ها [English]

  • Whole Body Vibration
  • Maximum Isometric Strength
  • elbow muscles
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