Repeated analysis of variance showed that the difference in the overall fatigue , body fatigue and cognitive fatigue between the Yoga group and the control group was significant ( P < 0.05 ) ; the time influence on the overall fatigue , body fatigue and emotional fatigue was significant difference between the 2 groups ( P < 0.05 ) ; there were interactions between the effect of Yago and time on the overall fatigue , body fatigue and cognitive fatigue ( P < 0.05 ) .