مقایسه آمادگی حرکتی در دختران نوجوان با وزن طبیعی و نابهنجار شهر کاشان در سال 1394

نوع مقاله: مقاله پژوهشی

نویسندگان

1 استادیار، گروه تربیت بدنی، دانشگاه پیام نور، تهران، ایران.

2 کارشناس ارشد، گروه تربیت بدنی، دانشگاه پیام نور، تهران، ایران.

3 دانشیار، گروه تربیت بدنی، دانشگاه پیام نور، البرز، ایران.

4 دکترای تخصصی فیزیولوژی ورزش، دانشکده تربیت بدنی، دانشگاه تهران، تهران، ایران.

چکیده

مقدمه: سازگاری بهتر با محیط نیاز به تعادل آمادگی حرکتی و ترکیب بدنی در افراد دارد. پژوهش حاضر، با هدف مقایسه آمادگی حرکتی در دختران نوجوان با وزن طبیعی و نابهنجار شهر کاشان در سال 1394 صورت گرفت.
مواد و روش‌ها: در این مطالعه توصیفی، 150 نفر از دانش­آموزان دختر 15-12 ساله شهر کاشان که از طریق نمونه‌گیری خوشه‌ای تصادفی انتخاب شدند، مورد مطالعه قرار گرفتند. شاخص توده بدنی بالاتر از صدک 85 استاندارد مرکز کنترل
بیماری­ها به عنوان اضافه وزن و چاقی، بین صدک 85-5 به عنوان وزن طبیعی و کمتر از صدک 5 به عنوان لاغر شناخته شد. آزمون‌های آمادگی جسمانی شامل چابکی، سرعت، تعادل، زمان پاسخ و توان از افراد گرفته شد. روش‌های آماری مورد استفاده در این پژوهش، آزمون تحلیل واریانس چند متغیری به همراه آزمون تعقیبی Scheffe بود.
یافته‌ها: میانگین زمان آزمون تعادل در گروه‌های لاغر، طبیعی و اضافه وزن/چاق به ترتیب 54/5±43/9، 65/5±17/10 و 22/2±20/22 ثانیه؛ میانگین آزمون توان 39/5±37/27، 78/6±75/26 و77/4±24/24 سانتی­متر؛ میانگین زمان سرعت50/0±19/6، 45/0±26/6 و 74/0±67/6 ثانیه؛ میانگین زمان آزمون چابکی  39/2 ±23/14، 82/2 ±53/14 و 88/2 ±08/16 ثانیه و میانگین زمان پاسخ 27/0±15/2،30/0±27/2 و 28/0±32/2 ثانیه بود. بین گروه­های لاغر و نرمال با گروه چاق و دارای اضافه وزن، در خرده مقیاس‌های تعادل (005/0p=)، توان (038/0p=)، سرعت (015/0p=) و چابکی (006/0p=) تفاوت معنی‌داری وجود داشت.
نتیجه‌گیری: به نظر می‌رسد که مقدار شاخص توده بدنی با آمادگی حرکتی دختران ارتباط دارد، به طوری که دانش‌آموزانی که شاخص توده بدنی بالاتری دارند، از نظر آمادگی حرکتی، ضعیف‌تر از سایر دانش‌آموزان هستند.

کلیدواژه‌ها


عنوان مقاله [English]

Comparison of Motor Fitness in Female Adolescents of Normal and Abnormal Body Weight in Kashan in 2015

نویسندگان [English]

  • F torabi 1
  • F emarati 2
  • MR asad 3
  • azam ramezankhani 4
1 Assistant professor, Dept of physical education, Payame Noor University, Tehran, Iran.
2 MSc Dept of physical education, Payame Noor University, Tehran, Iran.
3 Associate professor, Dept of physical education, Payame Noor University, Alborz, Iran.
4 PhD of exercise physiology, Faculty of Sports and Exercise Sciences, University of Tehran, Tehran. Iran.
چکیده [English]

Introduction: Better compatibility with the environment needs a balance between motor fitness and body composition. The present study was conducted to compare the motor fitness in female adolescents of normal and abnormal body weight in Kashan in 2015.  
Materials and Methods: In this descriptive study, 150 female students aged 12-15 years in Kashan city were included using the cluster sampling method. The BMI above the 85th and less than 5th percentile for age and sex by Center for Diseases Control proposed as overweight/ obesity and slim respectively and between 5-85th as normal weight. . Physical fitness tests including agility (hexagonal), speed (30 m), balance (Stork), response time (RT Nelson), power (Sargent) were measured in all subjects. Statistical methods used in this study were MANOVA and Scheffe post hoc test.    
Results: Averages time of balance test in slim, normal and overweight/obese groups were 9.43±5.54, 10.17±5.65 and 22.20±2.22 seconds respectively. Also, averages of power test were 27.37±5.39, 26.75±6.78 and 24.24±4.77 centimeters; averages of time of agility test were 14.23±2.39, 14.53±2.82 and 16.08±2.88 seconds and averages of reaction time were 2.15±0.27, 2.27±0.3 and 2.32±0.28 seconds respectively. There were significant differencesin normal and slim groups with overweight/obese group, in sub-scale of motor fitness including balance (p=0.005), muscle power (p=0.038), speed (p=0.015) and agility (p=0.006).
Conclusion: According to the findings, the body mass index was associated with motor fitness in female adolescents, so that students with a higher BMI, were weaker in physical fitness than other students.

کلیدواژه‌ها [English]

  • Motor fitness
  • Body mass index
  • Obesity
  • Overweight
  • Adolescent
  • Kashan
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