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Browsing Sosyal Bilimler Enstitüsü / Institute of Social Sciences by Subject "The purpose of this study was to examine the effect of nasal strip on the aerobic capacity (max VO2 ) and endurance performance time. In this study, 20 male (10 trained, 10 untrained) and 20 female (10 trained, 10 untrained) volunteer aged 17-21 were used as subjects. The subjects were tested by using 12 minute Cooper test with and without nasal strip (Sport Strips, CORBETT LAİR Inc., Portland, USA) in randomized order. There was one week break between two tests. The max VO2 of the subjects was estimated from their 12 minute run performance by using Balke formüle. Paired-t test was used to analyse the data. The significance level was set at p < 0.05. The 12 minute run performance time and the value of max VO2 for both trained (male and female) and untrained (male and female) obtained by using nasal strip were significantly higher than those of obtained without nasal strip (p < 0.05). According to these results, the nasal strip provided improvement in endurance performance time and max VO2 capacity. Moreover, subjects indicated subjectively that they could breathe much easily with nasal strip. Key Words: Nasal strip, max VO2 capacity, endurance performance."