مقایسۀ آرایش تمرین موازی بر ویژگی‌های آنتروپومتری، سطوح سرمی IL-15 و شاخص مقاومت به انسولین زنان یائسه

نویسندگان

1 کارشناس ارشد فیزیولوژی ورزش، دانشکدۀ علوم انسانی، دانشگاه آزاد اسلامی واحد کرمان، ایران

2 دانشیار فیزیولوژی ورزش، دانشکدۀ علوم انسانی، دانشگاه شهرکرد، ایران

3 استادیار فیزیولوژی ورزش، دانشکدۀ علوم انسانی، دانشگاه ولی‌عصر رفسنجان، ایران

4 کارشناس ارشد فیزیولوژی ورزش، دانشکدۀ تربیت‌بدنی، دانشگاه شهید چمران اهواز، ایران

چکیده

مقدمه و هدف: فعالیت‌های ورزشی نقش مهمی در افزایش تودۀ بدون چربی و ارتقای کیفیت زندگی سالمندان دارد. عضلۀ اسکلتی ازطریق انتشار مایوکاین‌ها، نقش مؤثری در رشد عضله و بهبود وضعیت متابولیکی دارد. هدف از مطالعۀ حاضر مقایسۀ تأثیر دو آرایش تمرین موازی بر ویژگی‌های آنتروپومتری، شاخص مقاومت به انسولین (HOMA) و سطوح سرمی IL-15 زنان یائسه می‌باشد.


مواد و روش‌ها: تعداد 28 نفر از زنان یائسه (میانگین سن 72/0±25/61 سال، قد 02/0±156 سانتی‌متر، تودۀ بدنی 09/1±70/71 کیلوگرم و شاخص تودۀ بدنی 52/0±35/28 کیلوگرم بر مجذور قد) به‌طور تصادفی به 3 گروه تمرین استقامتی + قدرتی (E+S) (9n=)، قدرتی + استقامتی (S+E) (10n=) و کنترل (9n=) تقسیم شدند. برنامه‌های تمرینی به‌مدت 8 هفته و 3 روز در هفته انجام شد. برنامۀ تمرین استقامتی شامل کار بر روی دوچرخۀ کارسنج (با شدت ۶۰ تا ۸۸درصد MHR) و برنامۀ تمرین قدرتی شامل چندین تمرین منتخب بالاتنه و پایین‌تنه (با شدت 40 تا ۷۵درصد 1RM، ۸ تا ۱۸ تکرار) بود. تودۀ بدنی، قد، شاخص تودۀ بدن، نسبت دور کمر به دور باسن و سطوحی سرمی IL-15، گلوکز و انسولین قبل و پس از برنامۀ تمرین اندازه‌گیری شد. از تحلیل کوواریانس برای تجزیه‌وتحلیل داده‌ها استفاده شد.


نتایج: اختلاف معناداری بین گروه‌های تمرین موازی با گروه کنترل در مقادیر انسولین (37/0 =P < /span>) مشاهده نشد؛ اما اختلاف معنی‌داری در مقادیر تودۀ بدنی (02/0=(P < /span>، شاخص تودۀ بدنی (03/0 =(P < /span>، سطح گلوکز ناشتا (001/0 =(P < /span>، سطح IL-15 سرمی (04/0P=) و مقاومت به انسولین (028/0 =(P < /span> مشاهده شد. اختلافی بین مقادیر فوق در دو گروه تمرین موازی مشاهده نشد.


نتیجه‌گیری: تمرینات موازی، مجزای از ترتیب آن موجب افزایش فاکتور رشد عضله و بهبود سوخت‌وساز گلوکز در زنان یائسه می‌گردد؛ لذا آن‌ها می‌توانند از مزایای تمرین موازی با هر آرایشی استفاده نمایند.

کلیدواژه‌ها


عنوان مقاله [English]

Comparison of order of concurrent training on anthropometric characteristics, serum IL-15 levels and insulin resistance index in post-menopausal women

چکیده [English]

Background and Objective: Exercise activities have an important role in increasing lean body mass and quality of life in the elderly. Skeletal muscle through the release of myokines have a significant role in muscle growth and improves metabolic condition. The purpose of this study was to investigate the comparison of order of concurrent training on anthropometric characteristics, serum IL-15 levels and insulin resistance index (HOMA) in post-menopausal women.


Materials and Methods: Twenty eight healthy post-menopausal women (age: 61.25±0.72 years, height: 156±0.02 cm, weight: 71.70±1.09 kg and BMI: 28.35±0.52) were randomly divided into three groups, strength + endurance (S+E) (n=10), endurance + strength (E+S) (n=9) and control (n=9). Training program was done eight week, 3 times per week. Endurance training were performed on a cycle ergometer (intensity: 61-88 % MHR) and strength training involved selected upper and lower body workout (intensity: 40-75 1RM, 8-18 repeat). Height, weight, BMI, WHR and serum levels of IL-15, glucose and insulin were measured and recorded before and after performing protocol. Univariate (covariance) test was used for analyzing of data.


Results: There were no significant differences between experimental groups and control group for insulin (p=0.37). But, there were significant differences in body mass (p=0.02), BMI (p=0.03), fasting glucose (p=0.001), IL-15 (p=0.04) and HOMA (p=0.028).  Significant differences were not seen between experimental groups.


Conclusion: Concurrent training distinct from order of it, increases muscle growth factor (IL-15) and improves glucose metabolism in premenopausal women, so these women can take advantage from concurrent training with any order.

کلیدواژه‌ها [English]

  • Concurrent Training
  • Post-menopausal women
  • IL-15
  • Insulin resistance index
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