Physical Education
fateme falah; farhad rahmani nia; ramin shabani; zahra Hojati Zidashti
Volume 27, Issue 5 , November and December 2020, , Pages 674-682
Abstract
Introduction: In aged women, elevated levels of some proinflammatory markers are risk factors for the development of diseases. The present study investigated the effect of 12-week walking at two different intensities on inflammatory factors in elderly woman.
Materials and Methods: Thirty untrained elderly ...
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Introduction: In aged women, elevated levels of some proinflammatory markers are risk factors for the development of diseases. The present study investigated the effect of 12-week walking at two different intensities on inflammatory factors in elderly woman.
Materials and Methods: Thirty untrained elderly women (60—75 years) randomly divided into three groups. Moderate tempo walking group (MTWG, n=11), Brisk walking group (BWG, n=10), and the control group (CG, n=9). The MTWG, walked at 50—55% maximum heart rate reserve (HRRmax) and the BWG walked at %70-75 HRRmax. Both walking groups trained 12 weeks, 3 sessions per week, starting from 30 to 60 minutes and the CG remained untrained. Maximal oxygen consumption (VO2max), body composition, leukocyte counts (WBC) and plasma levels of Tumor necrosis factor-alpha (TNF-α), were measured before and after the study period. To analyze the data, oneway analysis of variance, Scheffe test and dependent t-test was used (P≤0.05).
Results: VO2max, increased significantly in BWG. Body weights, percent body fat (p =0.000), body mass index (p = 0.003) significantly decreased, and percent muscle (p = 0.000) increased in both exercise groups. Percent visceral fat (p = 0.028) significantly decreased in BWG. Also, BWG showed a significant reduction in WBC counts compared to baseline levels (p = 0.004). There were no significant differences in the plasma levels of TNF-α between the groups.
Conclusion: The results showed that regular walking program can affect body composition in elderly women, however, it may not be effective in reducing systemic inflammatory markers.
Mohammad Seyyed Ahmadi; Hamid Arazi; Marjan Kari; Ehsan Asghari; Rambod Khajeie
Volume 19, Issue 2 , May and June 2012, , Pages 136-145
Abstract
Background and purpose: The specific preparatory activities may have different effects on various body systems which are not yet clear. The purpose of this study was to investigate the effects of a single session of specific preparatory activities on humoral immunity and white blood cell (WBC) immediately ...
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Background and purpose: The specific preparatory activities may have different effects on various body systems which are not yet clear. The purpose of this study was to investigate the effects of a single session of specific preparatory activities on humoral immunity and white blood cell (WBC) immediately and 24 hours after exercise in elite rock climbing athletes. Methodology: Ten elite rock climbing athletes (age 23.3±2.2 years, height 173.6 ±4.8 cm, and weight 64.5±7.3 kg) took part in this quasi-experimental study. Subjects were asked to perform specific exercises for 95 minutes (10 minutes warm up, 75 minutes climbing with different degrees of severity, and 10 minutes cool down). Blood samples were taken before exercise, immediately after exercise, and 24 hours after exercise. Data were analyzed using paired sample Student’s t-test and general linear model (p