Introduction:Abnormal postural control in children with cerebral palsy (CP) exerts a negative impact on activities of daily living. The Timed UpandGo (TUG) test is a valid, reliable test for the evaluation of functional mobility in children with CP. Objective:The aim of the present study was to determine the effects of a single session of transcranial direct current stimulation (tDCS) over the primary motor cortex combined with mobility training using a virtual reality system on functional mobility in children with CP. Method: The sample was composed of 12 children with CP aged 4 to 12 years, who were randomly allocated to an experimental group (virtual reality training + active tDCS) and control group (virtual reality training + placebo tDCS). Evaluations involved the TUG test performed 20 minutes before the intervention as well as immediately after the intervention. The paired t-test was used for the intra-group comparisons and both the unpaired t-test and Levene's test were used for the intergroup comparisons, with a p-value < 0.05 indicative of statistical significance. Results: The data were expressed as mean and standard deviation. In the control group, the time needed to complete the TUG was 14.40 ± 5.79 s before the intervention 13.81 ± 5.18 s after the test (p=0.279). In the experimental group, the time needed to complete the TUG went from 15.73 ± 5.77 s before the test to 13.96 ± 5.48 s after the test(p=0.004). However, no statistically significant difference was found in the inter-group analysis (p=0.853). Conclusion: The findings suggest that tDCSfavors an increase in gait velocity in children with cerebral palsy. Keywords: cerebral palsy, child, physical therapy, cerebral cortex, electrical stimulation, functionality, Timed Up&Go, TUG. ResumoIntrodução: Controle postural anormal em crianças com paralisia cerebral (PC) exerce um impacto negativo sobre as atividades da vida diária. O teste cronometrado Timed Up and Go (TUG) é um teste válido e confiável para a avaliação da mobilidade funcional em crianças com PC. Objetivo: A finalidade do presente estudo foi determinar os efeitos de uma única sessão de estimulação transcraniana por corrente contínua (ETCC) sobre o córtex motor primário combinado com treinamento de mobilidade usando um sistema de realidade virtual sobre a mobilidade funcional em crianças com PC. Metódo: A amostra foi composta de 12 crianças com PC com idades entre 4 e 12 anos, que foram distribuídos aleatoriamente em um grupo experimental (treinamento de realidade virtual + ETCC ativa) e grupo controle (formação de realidade virtual + ETCC placebo). As avaliações envolveram a TUG realizadas 20 minutos antes da intervenção, bem como imediatamente após a intervenção. O teste t pareado foi utilizado para as comparações intra-grupo e foram utilizados tanto o teste t não pareado e teste de Levene para as comparações entre os grupos, com um valor de p <0,05 indicativo de significância estatística. Resultados: Os dados foram expressos em média e desvio padrão. No grupo controle, o tem...
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