RESUMEN
The aim of this study was to investigate the 24-week effect of pranayama on abdominal muscle strength, cardio respiratory endurance and flexibility. Only 30 college students (boys) between the ages of 22 and 27 were assigned part- time to train at the Bharati Vidyapeeth College of physical education. Abdominal muscle strength, cardio respiratory endurance and flexibility were measured in this study. Pranayama works five days a week and training classes were held in the evening for a period of 50 minutes. Paired t 'tests were used to investigate the existence of significant differences between the pre- and post-test phases of the 24-week pranayama program. In conclusion the improvement was found after twenty-four weeks of the pranayama system and the differences were statistically significant. Pranayama not only beneficial for mental health but also improves abdominal muscle strength, cardio respiratory endurance and flexibility.