The present study was undertaken primarily to assess the effectiveness of yogicpractices on vital capacity. For the purpose of the study, 30 middle aged men aged between 35 and 40 years (mean ? S.D. 37.5 ? 1.5 years) were randomly selected. The selected subjects for the present study were divided into two groups, namely yogic practice group and control group. The control group was not given any training. The experimental group practiced yoga, weekly six days i.e. Monday to Saturday, between 6.00 A.M. to 8.00 A.M., for a period of twelve week, The results of this study showed that there was a significant difference between yogic practice group and control group on vital capacity. Moreover, the result of the study also shown that there was a significant increase in vital capacity after the yogic practice when compared with the control group.