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The purpose of this study was to investigate the effects of aerobic exercise with recumbent cycle on pulmonary function and strength of respiratory muscle in university students. Fifteen subjects (an average age of 24.2±1.7 years) were asked to perform aerobic exercise with recumbent cycle. The aerobic exercise was performed for 40 minutes 3 times a week for 4 weeks. This study measured Forced Vital Capacity (FVC) and maximum voluntary ventilation (MVV). In addition, maximum inspiratory pressure (MIP) and maximum expiratory pressure (MEP) were measured as a pulmonary strength before and after each 8-weeks exercise. Pony FX was used for measuring the pulmonary functions. The participants showed a significant increase in MVV, MIP and MEP (p<.05), but no significant different in FVC was shown. Based on the research results, the recumbent cycle exercise can be recommended to improve pulmonary function and strength of respiratory muscle of University students.