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Aim: Idiopathic toe walking (ITW) is a diagnosis for children who toe walk without another diagnosis known to cause toe walking. Recent research has suggested that children with ITW may have mild motor planning challenges and sensory processing differences. The primary aim of this systematic review was to determine whether children diagnosed with ITW have differences in their sensory processing compared to typically developing children. Secondary aims included determining how sensory processing was assessed in this population and documenting the broad clinometric and psychometric properties of any assessment tools.Methods: MEDLINE, CINAHL, AMED and Embase were searched for relevant literature in English. Studies were eligible for inclusion if they described children aged 3 and 18 with idiopathic toe walking and reported a sensory processing domain.Results: Twelve articles met the inclusion criteria; however, only two papers included data permitting meta-analysis. Meta-analyses of vibration perception threshold using a random effect model were not significant (p = 0.31). Other data were synthesised by narrative and showed a high heterogeneity across multiple sensory processing domains. Conclusion:This study highlights that despite children with ITW often conceptualised as possessing sensory processing challenges, there is little evidence supporting this theory. Further research on sensory processing in children with this gait pattern is necessary.
Aim: Idiopathic toe walking (ITW) is a diagnosis for children who toe walk without another diagnosis known to cause toe walking. Recent research has suggested that children with ITW may have mild motor planning challenges and sensory processing differences. The primary aim of this systematic review was to determine whether children diagnosed with ITW have differences in their sensory processing compared to typically developing children. Secondary aims included determining how sensory processing was assessed in this population and documenting the broad clinometric and psychometric properties of any assessment tools.Methods: MEDLINE, CINAHL, AMED and Embase were searched for relevant literature in English. Studies were eligible for inclusion if they described children aged 3 and 18 with idiopathic toe walking and reported a sensory processing domain.Results: Twelve articles met the inclusion criteria; however, only two papers included data permitting meta-analysis. Meta-analyses of vibration perception threshold using a random effect model were not significant (p = 0.31). Other data were synthesised by narrative and showed a high heterogeneity across multiple sensory processing domains. Conclusion:This study highlights that despite children with ITW often conceptualised as possessing sensory processing challenges, there is little evidence supporting this theory. Further research on sensory processing in children with this gait pattern is necessary.
Idiopathic toe walking (ITW) is a diagnosis given to children who walk with an absence or limitation of heel strike in the contact phase of the gait cycle, that are otherwise typically developing. There is emerging evidence that this gait pattern may occur in children who experience tactile sensory processing challenges. This feasibility study aimed to determine if children were able to respond to a sensory stimulus during a fMRI. Children aged between 8–16 years of age, with and without idiopathic toe walking were recruited from general public advertising. Participants were required to perform a two-point discrimination test (task block) and press a button without being tested (control block) during an fMRI using a standard block design. Activation differences were examined in the left frontal pole, left supramarginal gyrus, left parahippocampal gyrus, left paracingulate gyrus and the right superior temporal. Five children were in the typically developing (TD) group and three were in the ITW group. There were between-group activation differences in the decision-making block compared to the control block in the left frontal lobe, parahippocampal gyrus and the right superior temporal gyrus. There was greater variation in activation in the left supramarginal gyrus and the left paracingulate gyrus in the ITW group compared to the typically developing group. Based on this study a future sample size of 15 children per group will be required to detect an adequate effect across chosen regions of interest Conducting fMRI using two-point discrimination testing on this population is feasible. Further research is required with larger population sizes to determine if brain activation patterns during the sensory input decision-making process are different in this population.
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