Any disorders of the respiratory system caused a decrease in overall functioning of the body and disturb the body's oxygen supply system. Regular physical activity can improve the function of the respiratory system. On the other hand, physical activity has been considered as a cause of bronchospasm and athletes in training and competition needs to put together the upper respiratory tract congestion, reduces the capacity of athletic activities. The aim of this study was to investigate the respiratory tract congestion is caused by the exercise of rowing national team. To study investigating 20 cases of rowers rowing and kayak national team of Iran (height: 182 ± 4.2, Weight: 80.04 ± 5.6% Body fat 11/3 ± 1.5, VO2max: 62.2 ± 2.4) at least 5 years as a professional sport, and they were selected purposefully. In this study, the test boat was a 2000 m ergometer test. Before the activity, baseline spirometers test was performed, and again immediately after exercise, 5 and 30 minutes after exercise testing, spirometers was performed. The results show that the changes in respiratory parameters between these two disciplines, there is no significant difference and the results showed that all indicators showed significant changes in kayak (p lt;0.05), but in rowing only significant change to create a variable force vital capacity, no sign of exercise-induced asthma percentage change in exercise does not show. Exercise can affect the respiratory parameters and Asthma intensity physical exercise is most affected. Higher or lower aerobic fitness athletes have exercise-induced asthma.
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