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    The effect of physical fitness training on reaction time in youth with intellectual disabilities
    (Sage Publications Inc, 2010) Yıldırım, Necmiye Ün; Erbahçeci, Fatih; Ergün, Nevin; Pitetti, Kenneth H.; Beets, Michael W.
    The purpose of this study was to assess whether reaction time in persons with intellectual disabilities can be improved with an exercise program. 50 children and adolescents (M age = 14.7 yr., SD = 1.4, range = 11-18) with mild intellectual disability without Downs syndrome were randomly divided into control (20 boys, 5 girls) and experimental (19 boys, 6 girls) groups. The experimental group participated in a structured physical fitness program for 12 weeks. Reaction time was assessed at baseline and after 12 weeks. Significant improvements in reaction time were observed in the exercise group but not for the control group. Results indicated that reaction time can be improved with an exercise program in youth with intellectual disability.
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    Effects of school-based cardiovascular-fitness training in children with mental retardation
    (Human Kinetics Publ Inc, 2007) Özmen, Tarık; Yıldırım, Necmiye Ün; Yüktaşır, Bekir; Beets, Michael W.
    The aim of this study was to investigate the effects of a school-based cardiovascular-fitness-training program in children with mental retardation (MR). Thirty boys (8-15 years old) with mild to moderate mental retardation were randomly divided into 2 groups - experimental (EX) and control (CN). The EX group underwent 10 weeks of training 3 times/week for a duration of 1 hr/session at 60-80% peak heart rate. At Week 10, significant increases in 20-m shuttle-run-test (20-MST) laps were observed for the EX group. No improvements were found in percent body fat. No changes were observed for the CN. The school-based training program might prove useful in improving the cardiovascular fitness of children with MR.