ArticlePhysical activity and nutrition2025
Improving body composition and social function through combined exercise program in children with intellectual disabilities: a single-arm pre-post intervention study.
Article in Physical activity and nutrition, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper, 1 of them a synthesis that pooled it.
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Abstract
purposeAlthough children with intellectual disabilities (ID) face a heightened risk of physical inactivity, psychiatric comorbidities such as ADHD, and delayed social development -which collectively impair their physical, cognitive, and emotional well-being- and structured physical activity (PA) has been proposed as a multidimensional intervention, few studies have rigorously examined the integrated effects of a combined exercise program on the physical health, behavioral symptoms, and social functioning of this population. This study aimed to evaluate the effects of a 16-week combined exercise program -incorporating aerobic and resistance training- on body composition, ADHD-related behavioral symptoms, and social functioning in children with ID.
methodsA total of 30 children with mild ID (mean age: 10.4 ± 1.3 years) participated in a structured intervention comprising three 60-min exercise sessions per week over 16 weeks. The exercise intensity progressively increased across three phases (50-80% HRR). Body composition (including BMI, body fat, and muscle mass) was assessed using validated anthropometric and bioelectrical impedance methods. ADHD symptoms were evaluated using the ADHD Rating Scale-IV, and social functioning was assessed using the Social Maturity Scale, which were rated by both parents and teachers. Paired t-tests were conducted to assess pre-post differences, with significance set at p < 0.05.
resultsPostintervention results revealed significant improvements in children's body composition: reductions in weight (-3.1%, p = 0.031), BMI (-3.3%, p = 0.028), body fat (-6.3%, p = 0.015), waist circumference (-2.6%, p = 0.040), hip circumference (-1.4%, p = 0.048), and WHR (-1.1%, p = 0.045), along with an increase in muscle mass (+5.9%, p = 0.022). ADHD-related symptoms significantly decreased: inattention (-20.0%, p = 0.012), hyperactivity/impulsivity (-20.5%, p = 0.014), and task incompletion (-20.7%, p = 0.010). Social indicators also improved, including reductions in both social interaction difficulties (-20.3%, p = 0.020) and repetitive behavior (-20.0%, p = 0.025).
conclusionThe 16-week combined exercise program produced meaningful improvements in the physical health, attentional control, and social functioning of children with ID. These findings underscore the utility of integrated PA as a nonpharmacological, multidomain intervention to enhance the well-being of neurodiverse children. Future studies should explore the underlying neurobiological mechanisms and assess the long-term sustainability of these outcomes.
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