اعتبار ساختاری و همزمان مقیاس درک فشار کار بدنی تصویری (OMNI) در افراد نوجوان ناشنوا هنگام فعالیت زیربیشینه و درمانده ساز

نوع مقاله: مقاله پژوهشی

نویسندگان

1 کارشناس ارشد فیزیولوژی ورزشی/ دانشکده علوم ورزشی/ دانشگاه بوعلی سینا/ همدان

2 دانشیار فیزیولوژی ورزشی/ دانشکده علوم ورزشی/ دانشگاه بوعلی سینا/ همدان

چکیده

زمینه و هدف: وضعیت برنامه ایمن ورزشی، به توانایی فیزیولوژیکی و انگیزه افراد وابسته است. در این زمینه، برآورد مولفه شدت کار بر پایه مقیاس های روان تنی به ویژه در برنامه ریزی فعالیت های ورزشی  بچه های ناشنوا حایز اهمیت است. روش تحقیق: 24 نوجوان ناشنوا با شاخص توده بدنی 3/5±19/9 کیلوگرم بر مجذور قد به متر و نارسایی شنوایی بالاتر از 80 دسی بل، پروتکل بیشینه کارسنجی را به همراه آنالیز گازهای تنفسی با روش مقیاس های درک فشار کار کلامی (BORG10) و تصویری (OMNI)، داوطلبانه اجرا کردند. یافته ها: دو مقیاس BORG10 و OMNI هنگام فعالیت ورزشی درسطوح کار زیر بیشینه (0/002=r=0/73، p) و درمانده ساز (0/001=r=0/91، p)، همبستگی بالایی را نشان داد. اعتبار همزمان مناسبی از جنبه وابستگی میان این دو مقیاس روان تنی با متغیرهای تهویه دقیقه ای (0/45 و 0/41=r)، اکسیژن مصرفی  (0/45 و 0/13=r) و درصد ضربان قلب ذخیره (0/38=r) هنگام فعالیت ورزشی زیر بیشینه مشاهده شد (0/05≥p). نتیجه گیری: به دلیل مشکل برقراری تعامل بچه های ناشنوا با محیط اجتماعی بویژه هنگام فعالیت های بدنی، هر دو مقیاس تصویری و عددی درک شدت کار بدنی برای تنظیم تکالیف فیزیکی روزانه این بچه ها، از اعتبار ساختاری مناسب برخوردارند. با این حال، مقیاس تصویری شدت کار هنگام فعالیت ورزشی هوازی نزدیک بیشینه و درمانده ساز کار آمدتر است و می تواند برای مربیان ورزش هنگام شرکت هدفمند بچه های ناشنوا در برنامه ریزی فعالیت های بدنی هنگام اوقات فراغت یا مسابقات ورزشی قابل استفاده باشد.

کلیدواژه‌ها


عنوان مقاله [English]

Constructual and Concurrent Validity of analog perceived exertion scale (OMNI) during sub-maximal and exuastive activity in deaf adolescents

نویسندگان [English]

  • Shabnam Zahedi Kia 1
  • Farzad Nazem 2
چکیده [English]

Background and Aim: Theconditions of a safe exercise program, depends on the  physiological and motivational abilities of individuals. Furthermore, the estimated prominent component of the intensity of physical activity is very important, especially for deaf children. Materials and Methods: 24 deaf adolescences aged 12 to 18 years, with a hearing impairment greater than 80 DB, and a mean BMI of (19.9 ± 3.5 Kg/m2), voluntarily performed the aerobic maximal protocol along with analysis of respiratory gases with the verbal BORG10 and visual OMNI perceived exertion scales. Results: Construct validity showed a significant correlation between BORG10 and OMNI scales during submaximal ergometery (R=0.73, P=0.002), and high significant correlation also found during an exhaustive exercise (R=0.91, P=0.001). on the other hand, moderate correlation was observed for accectable concurrent validity with respet to relationship among two the psychosomatic scales and physiological indexes (HRR, VO2, VE) during the submaximal ergometery. Conclusion: Because, to communicate and interaction problems in deaf children with the social environment especially during a physical activity, both analog and numerical Perceived Exertion scales have optimization construct validity to adjust the various daily physical tasks. Visual Perceived Exertion Scale is also more efficient during an exhaustive and relatively maximal aerobic ergometery and can be used during attending targeted deaf children to develop physical activity during leisure time or sports events planning for coaches.

کلیدواژه‌ها [English]

  • Visual Perceived Exertion scale
  • Ergometery protocol
  • Deaf student

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