تاثیر تمرین استقامتی بر شاخص‌های جدید مقاومت انسولینی و برخی عوامل خطرزای قلبی-متابولیکی در مردان لاغر غیرفعال

مرادی, فتاح

doi:10.48308/joeppa.2015.98744

تاثیر تمرین استقامتی بر شاخص‌های جدید مقاومت انسولینی و برخی عوامل خطرزای قلبی-متابولیکی در مردان لاغر غیرفعال

نوع مقاله : علمی - پژوهشی

نویسنده

فتاح مرادی

داﻧﺸﮕﺎه آزاد اﺳﻼ ﻣﻲ،

10.48308/joeppa.2015.98744

چکیده

هدف: غیرفعال بودن می‌تواند بر سلامت افراد لاغر نیز اثر معکوس بگذارد. یافته‌های اندکی در زمینه اثر تمرین ورزشی بر شاخص‌های جدید مقاومت انسولینی موجود است. هدف از مطالعه حاضر بررسی تاثیر تمرین استقامتی بر شاخص‌های جدید مقاومت انسولینی و برخی عوامل خطرزای قلبی-متابولیکی در مردان لاغر غیرفعالبود. روش شناسی: در یک کارآزمایی نیمه‌تجربی، 20 مرد لاغر غیرفعال بطور تصادفی به دو گروه تمرین (10 نفر، 2/2± 2/21 سال) و کنترل (10 نفر، 7/2 ± 4/21 سال) تقسیم شدند. ویژگی‌های عمومی، شاخص آدیپونکتین-رسیستین(AR)، مدل ارزیابی هومئوستاز-آدیپونکتین (HOMA-AD) و شاخص مقاومت انسولینی(IRAR)، فشار خون و نیمرخ چربیقبل و پس از دوره تمرین اندازه‌گیری شد. تمرین استقامتی شامل دوازده هفته تمرین رکاب زدن روی چرخ کارسنج (3 جلسه تمرین در هفته، شدت 60 تا 70 درصد ضربان قلب ذخیره، مدت 20 تا 40 دقیقه در هر جلسه) بود. داده‌ها با استفاده از آزمون‌های t همبسته و t مستقل تجزیه‌وتحلیل شد. سطح معنی‌داری 05/0>p در نظر گرفته شد. یافته‌ها: پس از دوره تمرین، HOMA-AD (043/0=P)، IRAR(029/0=P)، فشار خون سیستولیک (022/0=P)، فشار خون دیاستولیک(038/0=P) و تری‌گلیسرید سرم (019/0=P) کاهش یافت، اما رسیستین سرم، AR، کلسترول تام، لیپوپروتئین با چگالی بالا و لیپوپروتئین با چگالی پایین تفاوت معنی‌داری نشان نداد(05/0<P). بحث ونتیجه‌گیری: کاهش شاخص‌های HOMA-AD، IRAR، فشار خون سیستولیک، فشار خون دیاستولیک و غلظت تری‌گلیسرید سرم به‌دنبال دوازده هفته تمرین استقامتی در مردان لاغر غیرفعال نشان می‌دهد که تمرین استقامتی از طریق بهبود مقاومت انسولینی، فشار خون و سطوح تری‌گلیسرید خون می‌تواند برای سلامت متابولیکی و قلبی-عروقی مردان لاغر غیرفعال مفید باشد.

عنوان مقاله [English]

Effect of endurance training on novel insulin resistance indices and some of cardio metabolic risk factors in inactive lean men

چکیده [English]

Aim: Inactivity can adversely affect on health of lean subjects. A few findings are available about novel
insulin resistance indices. The purpose of this study was to investigateeffect of endurance training on novel
insulin resistance indices and some of cardio metabolic risk factors in inactive lean men. Methodology:In a
semi-experimental study, twenty inactive lean men were randomly placed at two groups: endurance training
(n=10, 21.2±2.2 yr) and control (n=10, 21.4±2.7 yr). General characteristics of subjects, Adiponectin-Resistin
(AR), homeostasis model assessment-Adiponectin (HOMA-AD) and insulin resistance index(IRAR), blood
pressure, and lipid profile were assessed before and after training. Endurance training consisted of twelve
weeks pedaling on ergometer cycle(3 sessions per week, intensity 60-70% of reserved heart rate, duration of
each session 20-40 min). Data analyzed by paired- and independent-t tests. Statistical significance was
accepted at P<0.05. Results:After the training period, HOMA-AD (P=0.043), IRAR (P=0.029), systolic blood
pressure (P=0.022), diastolic blood pressure (P=0.038), and serum triglyceride (P=0.019) were reduced, while
serum Resistin, AR, total cholesterol, high density lipoprotein, and low density lipoprotein did not change
significantly (P>0.05).Conclusion:Decreases of HOMA-AD and IRAR indices, systolic blood pressure,
diastolic blood pressure, and serum triglyceride after twelve weeks endurance training in inactive lean men
indicate that endurance training can be useful for metabolic and cardiovascular health of inactive lean men via
improving insulin resistance, blood pressure, and circulating levels of triglyceride.

کلیدواژه‌ها [English]

Endurance training
Insulin resistance
Blood pressure
lipid profile
Lean

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