محمدرضا فدائی چافی
دانشجوی دکتری فیزیولوژی ورزشی دانشگاه گیلان
[ 1 ] - اثر تمرین هوازی بر لپتین و تستوسترون سرم پسران چاق در مراحل مختلف بلوغ
هدف: هدف از این مطالعه تعیین اثر تمرین هوازی بر لپتین و تستوسترون سرم پسران چاق در مراحل مختلف بلوغ بود. روش پژوهش: تحقیق حاضر با طرح پیشآزمون و پسآزمون بهصورت مقطعی اجرا شد. آزمودنیها شامل 36 پسر چاق 12 تا 17 سال بودند که بر اساس مقیاس تانر در مراحل 2 (TS2) تا 5 (TS5) بلوغ قرار داشتند. آن‌ها بر اساس بلوغ در دو گروه TS2, 3 (BMI: 22/5±41/29 کیلوگرم بر متر مربع، وزن: 7/16±61/76 کیلوگرم، سن: 9...
[ 2 ] - The effect of leisure time regular exercise on neutrophil function, myeloperoxidase levels, and antioxidant capacity in middle-aged men
Background: Exercise can cause inflammation and neutrophil activity. Neutrophils contain the enzyme myeloperoxidase that its main function is to produce reactive oxygen species. On the other hand, physical activity can improve immune function and antioxidant activity. Therefore, the aim of the present study was to evaluate neutrophil activity, changes in myeloperoxidase levels and total antioxi...
[ 3 ] - Effect of Suspension Exercise on Electromyography in Men with Chronic Low Back Pain Caused by Disc Herniation
Background and purpose: Lumbar disc herniation is one of the most common types of low back pain and researchers are interested in novel exercises in treatment of this condition. The aim of this study was to investigate the effect of suspension exercises on electromyography in men with disc herniation. Materials and methods: Twenty two men with disc herniation in Rasht participated in this clin...
[ 4 ] - Evaluation of Morphological Changes in Muscle Fibers and Neuronal Terminals of Motor Neurons in Male Rats from Childhood to Old Age
Introduction: The aim of this study was to investigate the effect of time and age on morphological changes in male rats. Methods: For conducting this study, 15 male Wistar rats in three age groups of 2 weeks (150-100 g), 6 weeks (250-220 g) and 96 weeks (320-280 g) were kept in Pasargad Tissue and Gene Laboratory in Tehran City for six weeks and 48 hours later they were dissected and the soleu...