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  Subjects -> SPORTS AND GAMES (Total: 199 journals)
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New Approaches in Sport Sciences
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  This is an Open Access Journal Open Access journal
ISSN (Print) 2588-6614
Published by Allameh Tabataba'i University Homepage  [1 journal]
  • Positive Psychology and Covid _19: Implications for competitive
           athlete’s resilience

    • Abstract: The coronavirus disease 2019 (COVID-19) pandemic has created extraordinary challenges and prompted remarkable social changes around the world of sports. Consecutive delays in official and international competitions have become a common concern for competitive athletes. It seems that the involvement of athletes in this uncertain future in the long run will pose a serious threat to the mental health and well-being of athletes. In this editorial, we presented some constructs of the Positive Psychology to show how the Positive Psychology can increase resilience levels of competitive athletes in order to cope with the challenges COVID-19 has posed to the sporting world. Therefore recommended during the COVID-19, health authorities and sport communities identify their priorities and make plans to maintain athletes’ health and athletic activities and use the discipline of positive psychology to minimize its consequences.
  • The Effect of a Selected Aerobic Exercise Program on Body Composition,
           Lipid Profile and Workability Index of Overweight and Obese Employees

    • Abstract: Purpose: The purpose of this study was to examine the effect of 12 week a selected aerobic exercise program on body ‎composition, lipid profile, and working ability of employees involved overweight and obese.‎ Method: In this semi-experimental study with pre-test, post-test design and control group, 65 overweight employees were ‎selected by purposive sampling method and randomly assigned to exercise and control groups. Then aerobic ‎exercise program three sessions per week and each session 65-50 minutes, was performed for 12 weeks for the ‎experimental group. The control group did not have such an intervention. Body composition indices, workability ‎index and, lipid profile were measured before and after the training protocol for both groups. Data were analyzed ‎using the covariance test (ANCOVA).‎ Results: The results showed that aerobic exercise significantly reduced body composition indices, including (fat percentage, ‎body mass index, and waist to pelvic ratio) and total cholesterol, triglyceride, low-density lipoprotein (LDL) the exercise ‎group compared with the control group. The levels of high-density lipoprotein (HDL) and the ability to work index ‎of the exercise group also increased (P <0.05).‎ Conclusions: The results indicated that aerobic exercise could improve body composition, lipid profile and workability index, and ‎prevented contracting chronic diseases, reducing their ability to work, and retiring early in overweight and obese ‎employees.‎
  • The Effectiveness of Exercise Along with Health Literacy Training on Fatty
           Liver Grade and Body Mass Index in Sedentary Middle-Aged Men

    • Abstract: Purpose: The purpose of this study was to evaluate the effectiveness of exercise combined with health literacy training on liver fat grade and body mass index in sedentary middle-aged men. Methods: This quasi-experimental study was a pretest-posttest with a control group.  22 sedentary middle-aged man with a liver grade higher than 1 were purposefully selected and randomly divided into intervention (n = 11) and control (n = 11) groups. The subjects in the intervention group participated in the exercise training protocol for 8 weeks along with the health literacy training program, the control group did not have any intervention. Data were collected through liver ultrasound, blood sampling and body mass index measurement before and after the intervention and analyzed using ANCOVA test and SPSS20 software. Results: The results showed that exercise along with health literacy training improves liver fat content and reduces body mass index in the experimental group compared to the control group (P <0% 5). Conclusion: This study showed that performing two interventions of exercise and health literacy simultaneously is effective in improving the fat content of the liver and body mass index of sedentary middle-aged men and prevents the development of advanced fatty liver.‎
  • The Effect of a Customized Supplement Drink on Blood Lactate of Han-Madang

    • Abstract: Purpose: The adequate use of sport-related modern knowledge such as new findings regarding nutritional and dietary supplements is an essential prerequisite of success in modern professional sport. Methods: In this semi-experimental study, 11 nationally prominent Taekwondoin with 8 to 12 years of experience and profile of (Age: 20±6 years, height: 178±12 cm, weight: 67±11kg, wrist circumference: 17±1 cm) were selected as subjects. The level of blood lactate, the time and speed of execution of Poomsae forms, and the number of Momdollyos successfully performed in 20 seconds were measured separately in a pre-test phase, after the intake of a placebo, and after the consumption of supplement drink. Results: Statistical results showed that lactate levels significantly increased compare to pre-tests in both groups. Although this increasing was not significant between groups in Momdollyo (p=0.599) and Poomsae (p=0.303). Indeed, number of successfully executed and also time of performance were significantly different in both Momdollyo (P=0.000) and    Poomsae (P=0.033). Conclusion: Intake of discussed customized decaffeinated supplement drink increased speed and number of execution of Poomsae forms and Momdollyo techniques but it seems that lactate levels depends on other factors in taekwondoin.‎
  • Physiology of Cutaneous Wound Healing: A Narrative Review Article

    • Abstract: Purpose: Skin is the most important organ of the body and maintains its integrity is critical in good health. Severe skin damage is life-threatening and repairing restores its tissue integrity and delay in it endangers health. According to the importance of wound healing and the fact that not treated wounds may decrease quality of life, many studies have investigated the effect of some natural and chemical substance on the length and quality of wound healing to find out beneficial interventions that rapidly and economically treat it. This review aimed to describe the physiology of cutaneous wound healing and some negative and positive factor with a focus on exercise. Methods: An electronic search without any time limitation was performed on the PubMed, Google scholar and web of science databases to find published articles in English. The keywords were wound healing, exercise, and physiology. According to relation to subject, similarities, and differences 48 articles were selected and reviewed. Results: wound healing is a complicated physiology process that consists of four consecutive overlapping stages. Disruption in each stage disturbs wound healing. Many chemical and herbal compounds are used to speed up wound recovery due to their anti-inflammatory property. Exercise is one of the effective factors in wound healing and many studies evaluated effect of different protocol of exercise on it. The results of studies show that aerobic exercise due to its anti-inflammatory and antioxidative effect is a beneficial method in shortening the length of wound healing, especially in aged, fat, and diabetic individuals. Conclusion: Moderate intensity aerobic exercise as a complementary medicine is a good intervention in the treatment of impaired and chronic wounds.‎
  • The Impact of Different Types of Exercise Training on the Angiopoietin

    • Abstract: Purpose: The objective of this study is to analyse various articles on the effect of various types of exercise on the angiopoietins family and angiopoietin-like proteins (ANGPTLs). Methods: PubMed, Science Direct, Scopus and Google Scholar databases were searched from 2000 to September 2020. After screening the articles, 19 articles that met the inclusion criteria were studied and analysed. Results: In our body, four types of angiopoietin and eight types of angiopoietin-like proteins have been identified, the functional method of some of them which are still not entirely understood. Angiopoietin-1 and angiopoietin-2 are essential regulators of vascular formation and maintenance. Angiopoietin-1 is found in perivascular and vascular cells within and around smooth muscle cells and plays an important role in growth, vascular stability, and pathological angiogenesis. On the other hand, angiopoietin-2 and angiopoietin-3 are mainly involved in inducing vascular regression, cell death, and inflammation. Angiopoietin-4, like angiopoietin-1, is responsible for the maturation, stabilization, and stasis of blood vessels. Conclusion: Studies show that exercise has a significant effect on increasing capillary density in the human body by increasing angiopoietin as one of the angiogenesis factors. In addition, there are many other benefits such as contribution to fat burning and treatment of coronary artery disease, cancer, asthma, and ischemia. More research is needed on the effects of different types of exercise training on angiopoietins.‎
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