درخت حوزه‌های تخصصی

There is almost a global consensus over this fact that well-being is the ultimate purpose of any policy-making, especially in democratic governments. Participating in organized sports is regarded as one of the important social grounds (institutions) with the potential capability of supporting the mental health. High and long-term participation and attractive environments make organized sports a significant and positive instrument for facilitating the population level change in case of health treatments such as promoting the mental health, enhancing the emotional/social performance and the life quality related to social relationships. Taking part in sports spaces and fields or watching the sport matches create this feeling in the individuals that there is something going on that is far more important than the scores and results; as if the collective mind is given a new energy, and the individuals experience a sort of joy and happiness caused by participating in sport events or just watching them. Sports can be an attractive environment for supporting the subjective well-being, which can be realized by focusing on the importance of sports in childhood and adolescence, while supporting the subjective well-being in such periods and considering its positive effects on the future periods of life. Since subjective well-being is considered as a developmental index of societies and regarding the significant role of sports and physical activities in creating such feeling, it seems necessary that more attention be paid to sports and principled investments be done in this social institution, besides having responsible management and planning. The instances of such marks can be enumerated as the development of sport clubs, development of sport for all, building health roadin public places like parks and sidewalks, and providing sports and sports facilities for all categories and groups of the society regardless of gender, age and ethnicity.

Introduction: This research was conducted to determine whether professional athletes with Chronic Ankle Instability (CAI) exhibit differences in maintaining balance under conditions of with and without visual informationMaterials and Methods: Forty-five elite players with CAI were classified into soccer, volleyball, and basketball groups (n=15 each). All participants performed a static single-leg balance test in conditions wherein visual information was provided and withheld. Also, their center of pressure (CoP) oscillation parameters was measured. The data were examined through an analysis of variance (ANOVA) and the Tukey test.Results: A significant difference was found between the soccer and volleyball players (P=0.034) in anteroposterior CoP displacement. Furthermore, there was a significant difference between soccer compared with volleyball (P=0.001) and basketball (P=0.02) groups regarding mediolateral sway and sway area (P=0.003 and P=0.03, respectively) when they performed the test with their eyes open. A significant difference occurred between the soccer and volleyball players concerning anteroposterior and mediolateral sway (P=0.002 and P=0.04, respectively) and sway area (P=0.004) when they performed the test with their eyes closed.Conclusion: Given the necessity of maintaining a good balance in sports, volleyball coaches should design practices that reduce players’ reliance on visual information. These practices should strengthen their proprioceptive abilities through an increased challenge to their proprioceptive senses.

Purpose: the etiology of children obesity can be varied. Adipose tissue is an active tissue that secretes proteins such as TNF-α, IL-6, leptin, and adiponectin. The purpose of this study was to investigate the effect of short-term sprint interval training on serum levels of adiponectin, leptin, TNF-α, IL-6, insulin, and lipid profile in overweight boys. Method: a number of 30 overweight male students (with a mean age of 9.93±0.2 and BMI of 27.73±0.2) were randomly assigned to the control group (n=15) and sprint interval training (n=15). The subjects of the experimental group did the training for eight weeks, as the control group was engaged in doing their daily activities without intervention. Measurement of anthropometric indices and fasting blood collection were performed (to measure insulin, leptin, adiponectin, TNF-α, IL-6, cholesterol, LDL, HDL and TG) one day before and one day after the training program. Results: the results of the present study indicated that 8 weeks of sprint interval training significantly decreased weight and BMI in overweight children (P<0.001). In addition to weight and BMI reduction, levels of TNF-α, IL-6, leptin, insulin, cholesterol, triglyceride, and LDL significantly reduce the following eight weeks of the sprint interval workout (P< 0.001 for all), while adiponectin and HDL levels increase (P<0.001, P<0.01, respectively). Conclusions: in general, the present study demonstrate that sprint interval training which is a new way of physical activity exerted a positive effect on most of components contributing to children obesity.

Introduction: The present study aimed to determine the effects of a selected group exercise on motor skills and cognitive function in children with Autism Spectrum Disorders (ASDs).Methods: Forty children with ASD aged 5-12 years participated in this quasi-experimental study. The Bruininks–Oseretsky Test of Motor Proficiency (BOTMP), and the Wisconsin Card Sorting Test (WCST) were performed in 3 assessment stages of baseline, pretest, and posttest in Sports, Play, and Active Recreation for Kids (SPARK). The repeated-measures Analysis of Variance (ANOVA) and Analysis of Covariance (ANCOVA) were used for analyzing the collected data.Results: The current research results demonstrated that the selected exercises presented positive effects on motor skills (P<0.05) in the studied subjects; however, they indicated no significant effects on their cognitive function (P>0.05).Conclusion: According to the present study results, the SPARK’s training is effective on children with ASDs and severe mobility limitations; however, it presented no cognitive function improvement in the study participants.