فتحی, مهرداد

گروه فیزیولوژی ورزشی، دانشکده علوم ورزشی، دانشگاه فردوسی مشهد، مشهد، ایران.

[ 1 ] - تأثیر هشت هفته تمرین تناوبی هوازی بر سطح سرمی نیتریک اکساید و اندوتلین-1 مردان سالمند با اضافه وزن

Objectives Different physical activities can play an important role in improving health and cardiovascular fitness. The aim of this study was to compare the effect of high-intensity interval aerobic training on certain cardiovascular risk factors in overweight elderly men. Methods & Materials In this semi-experimental study, 24 overweight elderly men were selected by convenience sampling. They...

[ 2 ] - اثر ترکیب های ایزوکالریک تمرین ورزشی و محدودیت کالری بر حساسیت انسولینی موش‌های صحرایی نر چاق

مقدمه: چاقی به دنبال بی‌تحرکی و مصرف غذای پرکالری پدید می­آید و حساسیت انسولینی را کاهش می‌دهد؛ لذا هدف از پژوهش حاضر بررسی اثر ترکیب­های ایزوکالری، تمرین ­ورزشی و محدودیت ­کالری بر حساسیت ­انسولینی موش­های چاق بود. مواد و روش‌ها: ۵۶ سر موش صحرایی نر بالغ با میانگین وزنی۱۹۰ گرم به طور تصادفی به دو گروه سالم (۸ سر) و چاق (۴۸ سر) تقسیم شدند. گروه چاق و سالم از غذای خشک فشرده با چربی بالا و استاند...

[ 3 ] - تغییرات سطح سرمی کمرین و شاخص مقاومت به انسولین مردان سالمند پس از هشت هفته تمرینات ترکیبی (هوازی- مقاومتی)

Background & Aims: Chemerin is one of the adipocines that is secreted in the form of prochemerin from visceral fat, liver, adipose tissue, aorta and coronary artery wall, and can be considered as a predictor of cardiovascular disease particularly in elderly men. This study was carried out to evaluate the effect of eight weeks of endurance and resistance training on chemerin level, insulin resis...

[ 4 ] - تأثیر هشت هفته تمرین هوازی بر سطح گرلین پلاسما و بیان ژن گرلین لنفوسیت مردان سالمند

Objectives Ghrelin is a peptide hormone secreted from the endocrine cells of stomach, affecting feeding behavior, appetite, energy consumption, and body weight. The present study compared the effect of 8 weeks of aerobic training on plasma ghrelin and lymphocyte ghrelin gene expression in elderly men. Methods & Materials In this quasi-experimental study, 30 subjects were selected by convenienc...

[ 5 ] - Comparison of maximal fat oxidation and Fatmax between active and inactive elderly men

Background&Purpose: The aim of this study was to compare of maximal fat oxidation and the exercise intensity that elicit maximal fat oxidation (Fatmax) between active and inactive elderly men. Methodology: 10 healthy elderly men that had regular exercise (at least 10 past years, ,VO2max 44.6±4.5 ml.kg.min) and 10 healthy elderly men that hadn’t any regular exercise (at least 10 past years, VO2m...

[ 6 ] - Comparison of the Effect of Eight Weeks Resistance and Endurance Training on Physiological, Functional Factors and Elite Runner's Record

Objective: The 3000-meter run is one of the most popular and enduring materials among endurance and semi-endurance races and because of the special conditions of this field, which can use aerobic and anaerobic energy production systems at the same time. We evaluated the effect of eight weeks resistance and endurance training on physiological, functional factors and elite runner's record. Metho...

[ 7 ] - Comparison the Effect of Eight Weeks Pyramid Resistance Training With two Patterns on Bio-motor Ability and Anthropometrical in Wrestlers

Objective: Wrestling is a fast-paced activity in which resistance training is essential to improve athlete performance. We evaluated the effect of comparison of the effect of eight weeks resistance training with two patterns of pyramidal and inverse pyramidal on bio-motor ability, Anthropometrical and skill profile of freestyle wrestlers. Methods: In this semi experimental study, 24 male frees...

[ 8 ] - مقایسه توزیع فشار کف پایی و فعالیت عضلات منتخب اندام تحتانی بین کفش ویسکوز و کفش فومی رایج

مقدمه و اهداف امروزه کفش با قابلیت توزیع مطلوب فشار کف پایی باید بدون افزایش فعالیت عضلانی صورت گیرد. هدف تحقیق حاضر مقایسه توزیع فشار کف پایی و فعالیت عضلات منتخب اندام تحتانی بین کفش ویسکوز و کفش فومی رایج بود. مواد و روش­ ها در مطالعه نیمه ­تجربی حاضر، 10 مرد سالم شرکت کردند. در این تحقیق کفشی مخصوص دارای مایع با ویسکوزیته ...

[ 9 ] - The Effect of 10 Weeks Core Muscle Training on Levels of Follistatin, Myostatin, and Pain in Elderly Women

Aims: Structural postural changes due to aging are common among the elderly due to decreased muscle mass and tissue. We evaluated the effect of 10 weeks of core muscle training on serum levels of follistatin, myostatin, and pain in older women with low back pain. Methods & Materials: A total of 18 older women with low back pain (aged 60 to 70 y) were randomly assigned into two groups: experime...

[ 10 ] - The Effect of Aloe Vera Extract on Immunologic Stress in Active Girls Following an Exhaustive CrossFit Exercise

Background & Aim: Acute exhaustive activities result in the physiological and immunological changes of the human body. The aim of this study was to evaluate the effect of short-term consumption of Aloe Vera extract on immunoglobulin M, G, A responses and cortisol concentrations in active girls following exhaustive CrossFit exercise. Methods: In this study, 30 healthy young girls (age 23.03 ± 2...