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Background The purpose of the current study was to evaluate the effects of dual‐task (DT) constraints on walking performance in children with intellectual disability (ID). Methods Fifteen children with intellectual disability and fifteen age‐matched typically developed children were asked to walk at a preferred speed: along a path (baseline condition), while carrying a glass of water and while quoting animal names. Results The present study findings showed that DTs affect walking performance of both typically developed children and those with intellectual disability. In children with intellectual disability, DT walking decrements were significantly higher when performing a concurrent motor task than cognitive one. Conclusions DT constraints with a secondary motor or cognitive tasks seemed challenging for children with intellectual disability suggesting that future treatments or assessments should consider using DT constraints to manipulate the difficulty of tasks.

We suggest that HJP training is more recommended to improve postural capacities in children with intellectual disability.