تاثیر تمرین موازی به مدت چهار و هشت هفته بر شاخص‌های التهابی، قدرت عضلانی و عملکرد قلبی-تنفسی در دختران نوجوان غیرفعال

نوع مقاله : علمی - پژوهشی

نویسندگان

1 دانشگاه آزاد اسلامی

2 دانشگاه تربیت مدرس

چکیده

هدف: تاثیر تمرین موازی بر وضعیت التهابی و آمادگی جسمانی دختران نوجوان غیرفعال کمتر تحت مطالعه قرار گرفته است. هدف از مطالعه حاضر بررسی تاثیر تمرین موازی به مدت چهار و هشت هفته بر شاخص­های التهابی، قدرت عضلانی و عملکرد قلبی-تنفسی در دختران نوجوان غیرفعال بود. روش‌شناسی: در یک مطالعه نیمه­تجربی بیست ­و سه نفر از دختران نوجوان غیرفعال بطور تصادفی به دو گروه تمرین (11=n، 28/0±07/17 سال، 7/8±45/53 کیلوگرم، 9/3±98/20 کیلوگرم بر مترمربع) و کنترل (12=n، 25/0±16/17 سال، 1/9±50/56 کیلوگرم، 1/3±44/21 کیلوگرم بر مترمربع)تقسیم شدند. ویژگی­های عمومی آزمودنی­ها و سطوح سرمی شاخص‌های التهابی پروتئین واکنشگر C (CRP) و عامل نکروز تومور-آلفا (TNF-α) قبل، پس از هفته چهارم و پس از هفته هشتم دوره تمرین اندازه­گیری شد. پروتکل تمرین موازی شامل هشت هفته حرکات هوازی موزون و تمرین با وزنه (3 جلسه تمرین در هفته، حرکات هوازی با شدت 60 تا 75 درصد حداکثر ضربان قلب و به مدت 15 تا 30 دقیقه و تمرینات با وزنه با شدت 60 تا 70 درصد یک تکرار بیشینه و به مدت 25 تا 55 دقیقه در هر جلسه) بود. نتایج: تجزیه و تحلیل داده­ها با آزمون تحلیل واریانس دو عاملی با اندازه­گیری­های مکرر صورت گرفت. سطح معنی­داری 05/0>P در نظر گرفته شد. وزن، نمایه توده بدن، درصد چربی بدن و غلظت­های سرمی CRP و TNF-α آزمودنی­ها پس از دوره تمرین تغییری نکرد. قدرت عضلانی و عملکرد قلبی-تنفسی در پایان هفته چهارم و به میزان بیشتری در پایان هفته هشتم دوره تمرین افزایش یافت(05/0>P). نتیجه گیری: اجرای تمرین موازی تاثیری بر اندازه­های آنتروپومتریکی و شاخص­های التهابی دختران نوجوان غیرفعال ندارد، اما آمادگی جسمانی وابسته به سلامت را بهبود بخشید و بهبودی حاصله متعاقب هشت هفته تمرین بیشتر از چهار هفته تمرین بود. 

کلیدواژه‌ها


عنوان مقاله [English]

Effect of four- and eight-week concurrent training on inflammatory markers, muscular strength, and cardiorespiratory function in inactive adolescent girls

چکیده [English]



Effect of concurrent training on inflammatory status and physical fitness of inactive adolescent girls has less been
studied. The purpose of this study was to survey effect of four- and eight-week concurrent training on inflammatory
markers, muscular strength, and cardio respiratory function in inactive adolescent girls. In a semi-experimental
study, twenty three inactive adolescent girls were randomly placed at two groups: training (n=11, 17.07±0.28 yr,
53.45±8.7 kg, 20.98±3.9 kg/m2) and control (n=12, 17.16±0.25 yr, 56.50±9.1 kg, 21.44±3.1 kg/m2). General
characteristics of subjects and serum levels of inflammatory markers C-reactive protein (CRP) and tumor necrosis
factor-alpha (TNF-α) were assessed before and after fourth and eighth weeks of training period. Concurrent training
protocol was included eight weeks rhythmic aerobics and weight training (3 sessions per week, aerobics with
intensity 60-75% of maximum heart rate and duration of 15-30 min and weight training with intensity of60-70% of
one repetition maximum and duration of 25-55 min per each session). Data were analyzed by two-factor ANOVA
with repeated measures test.Statistical significance was accepted at P<0.05. Body weight, body mass index, body
fat percent, and serum concentrations of CRP and TNF-α didn’t change after training period. Muscular strength and
cardio respiratory function were increased at end of fourth week, and more, eighth week of training period (P<0.05).
Performing concurrent training has no effect on anthropometrics and inflammatory markers of inactive adolescent
girls, while improved the health-related physical fitness and this improvement was more following eight- than fourweek
training.

کلیدواژه‌ها [English]

  • Concurrent training
  • CRP
  • TNF-α
  • Girls
  • Adolescent
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