نتایج جستجو برای: abstract physical injuries during taekwondo competitions often happen due to physical contacts during fighting
تعداد نتایج: 11166126 فیلتر نتایج به سال:
background: fatalism, an obstacle to the adoption of safe behaviors, describes the belief that injuries are unavoidable and occur due to haphazard or fate. the present study examined degree of fatalism related to injuries reporting rate and its dimensions among workers’ isfahan steel company. methods: a self-administered anonymous was distributed to 250 workers. the survey included demographic ...
PURPOSE A computational model of the porcine eye was developed to simulate primary blast exposure. This model facilitates understanding of blast-induced injury mechanisms. METHODS A computational model of the porcine eye was used to simulate the effects of primary blast loading for comparison with experimental findings from shock tube experiments. The eye model was exposed to overpressure-tim...
Abstract Background & Objective: Government action during the Covid 19 pandemic have placed many restrictions on dailylife. The aim of the present study was to investigate the effect of social distance plan in the conditions of Corona virus on physical activity and mood state of the people of Isfahan citizens. Materials and Methods: 411 people (131 men and 280 women) from Isfahan city conduct...
126 abstract: in this research we studied the effects of cyclic hydration and dehydration of cysts of artemia urmiana and artemia parthenogenetica on the hatching percentage, survival and growth. the experiment was carried out in 3 treatments (1-3 hydration/dehydration cycles) with 3 replicates for each treatment. later effects of cold preservation at -20°c during three time periods were ...
Specificity of physical exercises is one of the main factors which could affect musculoskeletal system. The purpose of this research is to make a comparison about postural abnormalities of the spine and lower limbs between female taekwondo athletes and non-athletes. Samples of current research were 50 female black-belt taekwondo athletes and 50 non-athletes. To measure kyphosis and lordosis, fl...
The prevailing demographic change in the western world means that the workforce is becoming older. Farmers in particular often work beyond the normal retirement age, in a challenging physical environment. For example, the agricultural sector has the most hazardous work environment in Sweden. Therefore, it is interesting to examine the following questions: Are senior farmers more frequently invo...
Taekwondo is famous for its powerful kicking techniques and the roundhouse kick is the most frequently used one. In earlier literature, the influence of a physical target (exiting or not) on kicking power generation has not been given much attention. Therefore, the aim of this study was to investigate the kinematics of roundhouse kick execution and its factors related to power generation. 6 ITF...
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