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Farah Nameni, Siavash Shahdusti, Majid Hashemi,
Volume 9, Issue 1 (3-2021)

Background and Objective: Clinical studies have indicated, that exercise activity and supplementation may have different effects on heart function and health. The aim of this study was to assess the effects of weight training with whey protein supplementation on ANP, BNP, and Galactin-3 in 60-65 years old sedentary men.
Material and Methods: This study was based on a quasi-experimental design. The sample population was selected from volunteers out of the Kahrizak charity sanitarium of the Tehran province. Forthy men were randomly assigned to 4 groups (control, exercise, whey protein, and exercise + whey protein). Whey protein and exercise + whey protein groups were asked to consume whey protein. Training protocol lasted for 6 weeks. Blood levels of ANP, BNP, and Galactin-3, before and after the study were measured. Normality and variance heterogeneity was assessed using Shapiro-Wilk and Levenechr('39')s tests respectively. The significance of differences between training and supplementation groups was assessed by ANOVA and LSD hock post-test.
Results: The results showed that weight training program and in combination with whey protein supplementation significantly reduced Atrial natriuretic peptide (P=0.001), Brain natriuretic peptide (P=0.001), and Galactin-3 (P=0.001), compared to the control group (P<0.01).
Conclusion: The reduction of cardiac injury indices and structural and physiological recovery and the increase of cardiac function have been affected by the synergy of his training and protein.

Fakhrosadat Hashemi, Farshad Tojari, Hamid Sajjadi Hezave, Abdolreza Amirtash,
Volume 9, Issue 1 (3-2021)

Background and Objective: Research on how to participate in recreational sports and the factors influencing the choice of these sports are too meager in health areas. Therefore, the aim of this study was to analyze the effect of recreational sports development on health and Participation of students in sports activities.
Material and Methods: The present study is descriptive-correlative in terms nature, and is applied in terms of purpose. The statistical population of the study consisted of all university students in Bushehr city, from whom the study sample was picked based on stratified random selection (N=384). To collect data, a researcher-made questionnaire was used and the validity of the questionnaire was confirmed by twelve experts. Also, its reliability was calculated using Cronbachchr('39')s alpha (r=0.91) and composite reliability. In order to analyze the data and examine the fit of the model, structural equation modeling was implemented using PLS3 and SPSS24 software (p≤0.05). The results of path analysis revealed that the development of recreational sports has a direct and positive correlation with physical health. Also, the effect of recreational sports development on students’ participation in sport was significant.
Results: The results of factor analysis showed that physical health, mental health, and physical fitness had a significant role in explaining the physical health variable. Also, social aspects, athletic interest and pleasure, athletic performance and athletic skill acquisition had a determining role in the sport participation variable.
Conclusion: According to the findings, it can be deduced that in the attention to and research on sport participation in health area, simply reliance on individual characteristics results in Halo error (based on behavioral theories), and to avoid it, it’s better to notice the effects of other variables, such as the athletic interest and pleasure, athletic performance, and athletic skill-acquisition.

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