[[abstract]]The main purpose of this study was to investigate the effects of 12-week aerobic dance training courses on physical fitness of industrial high school male students with mild mental retardation. The subjects of this study consist of 21 industrial high school students, average age=16.4 ±0.6 years, with mild mental retardation. Eleven students had received aerobic dance training and the other 10 students took general physical education (3 days per week). Before and after the experiment, all of the students were asked to take the physical fitness tests, including cardiorespiratory endurance; muscular fitness; flexibility and body composition. The aerobic dance training course was conducted 3 days per week, 45 minutes each day and lasted for 12 weeks. The exercise intensity was set at 55-70% of and 70-80% max heart rate of first 6 weeks and later 6 weeks, respectively. The collected data was analyzed with t-test, and the results were as followed: 1.After 12-week aerobic dance exercise, the students who have taken aerobic dance training courses improve significantly in their physical fitness, including 1600 run and walk; sit up; standing long jump; sit and reach and body mass index. (p<0.05) However, the students taking general physical education do not have significant improvement in their physical fitness. (p>0.05). 2.The items of physical fitness of students receiving aerobic dance training courses are better than those of students taking general course. However, there was no significant difference between two groups. The results show that the 12-week aerobic dance training courses of industrial high school male students with mild mental retardation have positive effects on their physical fitness.
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