Abstract:
The purpose of this study was to investigate the effect of twelve weeks aerobic exercise on
selected physical fitness variables and body age of Feres bet grade12 male students.
Developing effective aerobic exercise program for students is a strategy for improving cardio
respiratory fitness and body composition. The study was conducted on the effect of Twelve Week
Aerobic Exercise on Selected Physical Fitness Variables. 32 male students whose age is 18-20
were selected by purposive sampling technique. The study employed Quasi-experimental
research design.. Since the study was to investigate the effect of aerobic exercise on cardio
respiratory fitness and body composition variables. The subject had participated in 3 sessions
per week for 40 to 60 minutes per session of exercise training, which comprised as walking,
jogging, running and rope skipping. The participants had taken pre and post-testing of cardio
respiratory fitness was measured using 12 minute run and three minute step test, Body
Composition was measured by using body mass index and body age Measured using resting
heart beat. The data collected from the study subject was analyzed using SPSS version 20
software by paired t-test with level of significant 0.05. The results showed aerobic Exercise
significantly improved cardio respiratory fitness, in the participants at (p<0.05). Besides, there
were significantly reduced body mass index at (p<0.05). In case of body age, no significant
change was observed in the participants. Based on this finding, it can be concluded that twelve
weeks aerobic exercise has positive effect on improvement of cardio respiratory fitness and body
composition variables. For better improvement of physical fitness, everyone should engage in
aerobic exercise at least 3 days per week for 60 minutes each day
