Fisioter Mov. 2012 out/dez;25(4):821-30 ISSN 0103-5150 Fisioter. Mov., Curitiba, v. 25, n. 4, p. 821-830, out./dez. 2012 Licenciado sob uma Licença Creative Commons [T] Efeitos da prática de exercício físico sobre o desempenho da marcha e da mobilidade funcional em idosos [I] Resumo Introdução: A população idosa apresenta-se em um acelerado processo de crescimento associado ao aumento da expectativa de vida. As alterações no envelhecimento podem comprometer o padrão de marcha e equilíbrio dos idosos, predispondo-os a quedas. Como estratégia de prevenção, indica-se a atividade física regular direcionada para ganho de força, equilíbrio, propriocepção e melhoria da marcha. Objetivo: VerificarFisioter Mov. 2012 out/dez;25(4):821-30Fernandes AMBL, Ferreira JJA, Stolt LROG, Brito GEG, Clementino ACCR, Sousa NM. 822 os efeitos de um programa de exercícios físicos na marcha e na mobilidade funcional de idosos. Materiais e métodos: Participaram do estudo oito idosos com mais de 60 anos (três homens e cinco mulheres). Os participantes realizaram duas avaliações antes e após a intervenção de seis meses: (1) marcha, pelo método de marcação de passarelas e (2) equilíbrio, por meio do Time Up and Go Test (TUGT). Para análise dos dados utilizou-se o software R (2.9.0). Para comparação dos dados, foi utilizado o teste t de Student pareado e o teste de correlação de Pearson, com p < 0,05. Resultados: Verificou-se aumento no comprimento dos passos E (de 0,71 ± 0,19 para 0,80 ± 0,19 cm) e D (de 0,73 ± 0,17 para 0,81 ± 0,17 cm), e das passadas E (de 1,44 ± 0,36 para 1,59 ± 0,32 cm). Para o TUGT, além de forte correlação entre idade e velocidade da marcha e base de suporte, observou-se diminuição no tempo de realização do teste (de 13,92 ± 3,84 para 9,46 ± 1,68 segundos). Conclusão: O programa de exercícios físicos direcionados para a prevenção de quedas melhorou o desempenho funcional de idosos e alterou positivamente as variáveis da marcha.[P]Palavras-chave: Envelhecimento. Atividade física. Locomoção. Equilíbrio postural. Abstract Introduction:The elderly population is presented in an accelerated growth associated with increased life expectancy. The changes in aging can affect the pattern of gait and balance in the elderly may predispose them to falls. As prevention strategy, regular physical activity is indicated to gain strength, balance, proprioception and gait improvement. Objective: To investigate the effects of an exercise program on gait and mobility of elderly. Materials and methods: Eight subjects (three men and five women) over 60 years old participated in the study. They underwent two assessments: 1) march, by the method of marking walkways, and balance through the Time Up and Go Test (TUGT) before and after the six months intervention. For data analysis, we used R software (2.9.0). To compare the data we used the Student's "t" test paired and Pearson correlation, p < 0.05. Results: An increase in stride length and (0.71 ± 0.19 to 0.80 ± 0.19 cm) and D (0.73 ± 0.17 to 0.81 ± 0.17 cm), and stride E (1.44 ± 0.36 ...
This study aimed to evaluate the amount of fiber in the diet that is able to promote better use of nutrients in the diet of dairy goats when forage palm is the main source of roughage. Fifteen Alpine dairy goats were distributed in a 5 × 5 triple Latin square containing five treatments and five periods, and each treatment contained. We tested five diets composed of different contents of neutral detergent fiber from Tifton hay (NDFf) in the dry matter of rations containing forage palm: D1: 11.98%; D2: 18.31%; D3: 23.68%; D4: 28.76% and D5: 32.12% NDFf. The intake of dry matter, crude protein, neutral detergent fiber, non-fiber carbohydrates and ether extract decreased linearly with the increase in NDFf content. There was a linear increase of milk production and milk protein with increasing dietary NDFf. The fat, dry extract, protein, pH and acidity of the evaluated milk were not affected by increasing the levels of NDFf in the diet. In situations where dairy goats are fed forage palm and other types of forage are limited, 11.98% NDF from forage other than palm can be used as an effective source of NDF.
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