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The effect of vision on walking in children with different levels of motor competency
oleh: Miriam Palomo Nieto, Rudolf Psotta, Reza Abdollahipour, Adrian Agricola, Valtr Ludvík
Format: | Article |
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Diterbitkan: | Palacký University Olomouc 2016-11-01 |
Deskripsi
Background: Motor coordination problems of children with developmental coordination disorder (DCD) have been frequently associated with poor visuospatial processing. Objective: The aim this study has been to investigate a role of the vision in the motor control of walking between typical developing children (TD) and children at risk of DCD (DCD<sub>R</sub>). Methods: Participants included 16 TD (mean age 9.1, <i>SD</i> 1.0 years), and 16 DCD<sub>R</sub>, (mean age 8.7, <i>SD</i> 0.8 years) who walked along a 10 meter walkway using the Optojump instrument to assess the spatio-temporal variables of the gait pattern in full vision (FV) and non-vision (NV) conditions. Data was analyzed in a two-way mixed-effect ANOVA (2 groups - TD vs. DCD<sub>R</sub>, 2 visual conditions - FV vs. NV) with repeated measurement on the last factor (<i>p</i> ≤ .05). Results: The results demonstrated that DCD<sub>R</sub> children walked slower and with shorter steps than their TD peers. Also, withdrawing the vision affects some parameters of the gait cycle including the stance-phase, single-support, load-response and pre-swing regardless of the level of motor coordination of the children. Conclusions: A higher dependency on visual information or impaired utilization of proprioceptive inputs for execution of simple walk in the stable environment were not confirmed in the children with motor difficulties.