Intellectual disability is a complex dysfunction difficult to define accurately. According to Schalock et al. (2010), it is characterized by meaningful limitations in intellectual functioning and adaptive behaviour, expressed in conceptual, social and practical adaptive skills (Schalock et al., 2010). Many individuals with intellectual disabilities experience motor impairments. In this context, it has been demonstrated that people with intellectual disabilities have gait problems (Oppewal et al., 2018). Specifically, one of the most common problems seen in people with intellectual disabilities is the decreased postural balance. In fact, several studies show that they present lim-
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