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Acta fisiátrica ; 18(3)set. 2011.
Article in Portuguese | LILACS | ID: lil-663386

ABSTRACT

O objetivo deste estudo foi avaliar o efeito do exercício resistido e/ou alongamento e destreinamento no equilíbrio de idosos. Quarenta e seis idosos foram divididos em 4 grupos: Controle (C, n=12): receberam orientações sobre prevenção de quedas. Alongamento (A, n=12); Exercício Resistido (ER, n=13); Exercício Resistido e Alongamento (ERA, n=9). Foram realizados exercícios com resistência progressiva e/ou alongamento, em membros inferiores, 2x/semana, durante 12 semanas. Utilizou-se a Escala de Equilíbrio de Berg (EEB) e o Índice da Marcha Dinâmica (IMD), aplicados na 1ª, 6ª, 12ª semana e 6 semanas após o término. Utilizou-se ANOVA por medidas repetidas post hoc Fisher (p≤0,05), para comparação entre grupos ao longo das 4 avaliações. O ERA (12ª) aumentou a pontuação da EEB comparado ao ER (55±1 vs 53±2, p=0,03). No IMD 12 semanas de ERA aumentaram o escore em relaçãoao pré treinamento (ERA) (23±2 vs 21±3; p=0,0009). Após destreinamento o IMD do ERA foi superior, comparado ao pré treinamento (23±1 vs 21±3; p=0,003). A associação do exercício resistido com alongamento (ERA) demonstrou ser mais eficaz para o equilíbrio funcional relacionado ao ambiente (EEB) do que exercício resistido isolado em idosos.Porém, somente o equilíbrio durante a marcha (IMD) foi mantido pelo ERA após o destreinamento.


The object of this study was to evaluate the effect of resistance training and/or stretching on the equilibrium of older people. A group of forty-six older people were divided into 4 groups and given orientations about preventing falls: Control (C, n=12); Stretching (S, =12); Resistance Training (RT, n=13); Resistance Training and Stretching (RTS, n=9). Resistance training and/or stretching exercises were given progressively on the lower limbs twice a week for twelve weeks. The Berg Balance Scale (BBS) and the Dynamic Gait Index (DGI) were applied in the first, sixth, and twelfth weeks, and then six weeks afterwards. The ANOVA was used for repeated post hoc Fisher measurements (p≤ 0.05) for comparison between groups during the four evaluations. In the twelfth week, the RTS group scored higher than the RT group on the BBS (55±1 vs 53±2, p=0.03). At that time, the RTS group had also improved its DGI scores as compared to pre-training (23±2 vs 21±3; p=0.0009). And after detraining, the DGI of the RTS group was superior when compared to its pre-training (23±1 vs 21±3; p=0.003). The integration of resistance training with stretching (RTS group) showed more efficacy for functional equilibrium related to the environment (BBS) than with only resistance training in older adults. However, only the gait balance (DGI) was maintained by the RTS group after detraining.


Subject(s)
Humans , Male , Female , Aged , Postural Balance/physiology , Exercise/physiology , Muscle Strength/physiology , Muscle Stretching Exercises , Analysis of Variance
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