Effect of equine-assisted therapy on the postural balance of the elderly

Abstract

Objective: To determine whether equine-assisted therapy (hippotherapy) produces alterations in the balance of the elderly. Methods:The sample included 17 older adults who were divided into experimental (7 subjects) and control (10 subjects) groups. Stabilometry data were acquired with a force platform. The Timed Up and Go test (TUG) was used for clinical analysis of seated balance, transfer from a seated to a standing position, walking stability and changes in gait. Sixteen equine-assisted therapy sessions were carried out.Results: Mann-Witney was used to compare the means between groups and no significant differences were found in the analyzed stabilometric parameters. In intragroup comparison with the Wilcoxon test, a significant increase in the variables COPy and Area (p=0.02) was observed. Equine-assisted therapy significantly affected (p=0.04) TUG test means between the experimental and control groups (Mann-Witney). Intragroup TUG test means were also significantly affected (p=0.04) according to the Wilcoxon test. Conclusions:Because senescence tends to normalize stabilometric measures, the number of equine-assisted therapy sessions was insufficient to determine any differences. Nevertheless, the significant improvement in TUG test scores demonstrates that this treatment frequency was a predictor of reduced fall risk in the elderly.Article registered in the Australian New Zealand Clinical Trials Registry (ANZCTR) under number ACTRN12610000534088.Keywords: equine-assisted therapy; postural balance; elderly; physical therapy; rehabilitation. ResumoObjetivo: Verificar se a equoterapia é capaz de produzir alterações no equilíbrio de idosos. Métodos: Desenvolveu-se um estudo experimental controlado. A amostra foi composta de 17 idosos, divididos em grupo experimental (GE), sete sujeitos e grupo controle (GC), dez sujeitos. A aquisição dos dados da estabilometria foi realizada por meio da plataforma de força da marca AMTI (Force Measurement Systems). Para análise clínica do equilíbrio sentado, transferências de sentado para a posição em pé, estabilidade na deambulação e mudanças do curso da marcha, utilizou-se o teste Timed Up and Go (TUG). Foram realizadas 16 sessões de equoterapia. Resultados: Na comparação das médias entre os grupos por meio do teste de Mann-Whitney, não houve diferença significativa nos parâmetros estabilométricos analisados. Já na comparação das médias intragrupo por meio do teste de Wilcoxon, verificou-se aumento significante sobre as variáveis COPy e área (p=0,02). Nas médias entre o GE e o GC, por meio do teste de MannWhitney para análise do teste TUG, verificou-se efeito significante (p=0,04) da equoterapia. Na comparação das médias intragrupo pelo teste de Wilcoxon, verificou-se efeito significante (p=0,04) sobre a variável TUG. Conclusões: A senescência tende a normalizar as medidas estabilométricas, sendo insuficiente, com esse número de sessões de equoterapia, apontar diferenças ligadas a essa intervenção. No entanto, essa frequência de tratamento foi suficiente como preditor...

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