نوع مقاله : مقاله پژوهشی Released under CC BY-NC 4.0 license I Open Access I
نویسندگان
1 کارشناس ارشد فیزیولوژی ورزش دانشکدة تربیت بدنی و علوم ورزشی دانشگاه بوعلی سینا همدان، همدان،
2 دانشیار فیزیولوژی ورزش دانشکدة تربیت بدنی و علوم ورزشی دانشگاه بوعلی سینا همدان، همدان، ایران
3 دانشیار فیزیولوژی ورزش دانشکدة تربیت بدنی و علوم ورزشی دانشگاه بوعلی سینا همدان، همدان،ایران
چکیده
هدف: بررسی اثر سطح بالیدگی و ترکیب بدنی بر روایی معادلات آلومتری برآورد VO2peakدختران چاق و غیرچاق. روش‌شناسی: 80 دختر 17-12 ساله به روش تصادفی از مدارس شهر همدان انتخاب شدند و در دو گروه اضافه وزن-چاق (BMI>85%) و نرمال (BMI<85%) قرار گرفتند. سن بیولوژیک به روش سن دندانی مشخص شد. سنجش VO2peakبا آزمون کیورتون و معادلات آلومتری میلانو و بیونن صورت گرفت. برای تعیین روایی از همبستگی پیرسون و روش آماری بلاند – آلتمن استفاده شد. یافته ها: VO2peak میان سه روش منتخب تفاوت معنا‌داری داشت (P<0.01). با مداخلۀ متغیر بلوغ، تفاوت میانگین VO2peak معنادار به‌دست نیامد (P>0.05). روایی ظرفیت عملی دختران نوجوان چاق با بلوغ طبیعی شایان توجه بود (92/0=r ،01/0P<). با توجه به اندازۀ SE، معادلۀ آلومتری میلانو صحت بیشتری در پیشگویی VO2peakدختران نوجوان چاق با بلوغ طبیعی و غیرچاق نشان داد. روش بلاند- آلتمن نیز توافق بالایی میان VO2peakتست کیورتون و معادلۀ آلومتریک با ضریب 59/0 نشان داد. روایی ظرفیت عملی آزمودنی‌های چاق با بلوغ غیرطبیعی معنادار (82/0= r،01/0 P<) و در افراد غیرچاق با بلوغ غیرطبیعی معادل 94/0= r،01/0 P< و با بلوغ طبیعی برابر80/0= r،01/0 P< به‌دست آمد. نتیجهگیری: به‌نظر می‌رسد مدل‌های پیشگوی منتخب آلومتریک VO2peakبا نقش مداخله‌گرهای مؤثر بلوغ و ترکیب بدن، قابلیت استفاده برای سنجش سطح آمادگی قلبی – تنفسی دختران نوجوان را دارند.
کلیدواژه‌ها
عنوان مقاله [English]
Validation of Allometric Equations of VO2peak with Anthropometric Intervention and Biological Maturation in 12-17-Year-Old Girls in Hamedan City
نویسندگان [English]
- Maryam Shahriari 1
- Farzad Nazem 2
- Mohammad Ali Samavati Sharif 3
1
2
3
چکیده [English]
The aim of this study was to investigate the effect of maturity level and body composition on the validity of allometric equations of VO2peak in obese and non-obese girls. 80 girls aged between 12 and 17 were randomly selected from schools in Hamedan city and divided into two groups: overweight-obese (BMI>85%) and normal (BMI<85%). Their biological age was determined by dental age method. VO2peak was assessed by Cureton test and allometric equations of Milano and Beunen. Pearson correlation and Bland–Altman methods were used to determine the validity. VO2peak was significantly different among three methods (P<0.01(. With the intervention of maturity, mean of VO2peak was not significantly different (P>0.05(. Validity of practical capacity in the obese adolescent girls with normal puberty was considerable (r =0.92, P<0.01). According to the SE values, Milano allometric equation had more accuracy to predict VO2peak in obese adolescent girls with normal maturation and non-obese subjects. Bland–Altman method showed a high agreement between the VO2peak of Cureton test and the allometric equation with a coefficient of 0.59. Validity of practical capacity in the obese subjects with abnormal maturation was significant (r=0.82, P<0.01); it was r =0.94, Pr =0.80, P2peak can be used to assess the level of cardiorespiratory fitness in adolescent girls.
کلیدواژه‌ها [English]
- Allometric equations
- Body Composition
- maximum oxygen uptake (VO2peak)
- Puberty
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