Association between masticatory activity and gross motor function, spasticity and topographic classification in cerebral palsy
Associação da atividade mastigatória com a função motora ampla, espasticidade e classificação topográfica na paralisia cerebral
Lilian Gerdi Kittel Ries; Kelly Cristine Schmidt; Marianne Briesemeister; Camila Isabel Santos Schivinski
Abstract
Purpose: to verify the existence of an association between the degree of spasticity, the level of motor function and wide topographical classification of CP children with amplitude and time parameters of electromyographic activation of temporalis (AT) and masseter (MA) muscles.
Methods: muscle activity during chewing task was evaluated in fifteen children with CP. The clinical instruments used were the Modified Ashworth Scale for spasticity, the Gross Motor Function Classification System (GMFCS) for gross motor function. We analyzed the parameters of muscular symmetry and time of active and inactive period of the masticatory cycle.
Results: there was an association between the level of motor function and the symmetry of the MA, between the highest degree of spasticity and decrease in the inactive period and increase in the active period of the masticatory muscles and between the topographical classification and symmetry of the MA and the symmetry of the AT.
Conclusion: the symmetry and the time of activation of AT and MA should be considered during therapy of oral motor function of CP children.
Keywords
Resumo
Objetivo: verificar a existência de associação entre o grau de espasticidade, o nível de função motora ampla e a classificação topográfica de voluntários com PC com parâmetros de amplitude e tempo da ativação eletromiográfica dos músculos temporal (TA) e masseter (MA).
Métodos: a atividade muscular durante a tarefa de mastigação foi avaliada em quinze voluntários com PC. Os instrumentos clínicos utilizados foram: a Escala Modificada de Ashworth para espasticidade, o Sistema de Classificação de Função Motora Ampla (GMFCS) para função motora ampla. Foram analisados os parâmetros de simetria muscular e tempo do período ativo e inativo do ciclo mastigatório.
Resultados: durante o ciclo mastigatório observou-se associação entre o nível de função motora ampla e a simetria do MA, entre o maior grau de espasticidade e a diminuição do período inativo e aumento do período ativo e entre a classificação topográfica e a simetria do MA e do TA.
Conclusão: a simetria e o tempo da atividade dos músculos TA e MA devem ser considerados durante a terapia da função motora oral na PC.
Palavras-chave
Referências
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Submetido em:
18/01/2012
Aceito em:
29/04/2012
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