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The aim of this study was to determine the effect of exercising up and down stairs on physical fitness of Baitul Jannah Islamic Boarding School students by measuring cardiovascular endurance using the Rockport test. This study uses a preexperimental research method with pretest-posttest technique, by giving up and down stairs exercise for eight weeks. The sample of this study were 20 male students aged 20-23 years old and had been staying in the boarding schools for at least 3 years. The results of the study revealed that there were significant differences between before and after being given the exercise. Thus there is an effect of exercising up and down stairs on increasing physical fitness. Keywords— physical fitness, up and down stairs, islamic boarding school students

The Effect of Aerobic Exercise on Increasing Physical Fitness of Baitul Jannah Islamic Boarding School Male Malang Students