RESUMO
BACKGROUND: Microprocessor-controlled knee joints appeared on the market a decade ago. These joints are more sophisticated and more expensive than mechanical ones. The literature is contradictory regarding changes in gait and balance when using these sophisticated devices. METHODS: This study employed a crossover design to assess the comparative performance of a passive mechanical knee prosthesis compared to a microprocessor-controlled knee joint in 15 subjects with an above-knee amputation. Objective measurements of gait and balance were obtained. RESULTS: Subjects demonstrated significantly improved gait characteristics after receiving the microprocessor-controlled prosthetic knee joint (p<0.01). Improvements in gait were a transition from a hyperextended knee to a flexed knee during loading response which resulted in a change from an internal knee flexor moment to a knee extensor moment. The participants' balance also improved (p<0.01). All conditions of the Sensory Organization Test (SOT) demonstrated improvements in equilibrium score. The composite score also increased. CONCLUSIONS: Transfemoral amputees using a microprocessor-controlled knee have significant improvements in gait and balance.
Assuntos
Amputados/reabilitação , Membros Artificiais , Marcha/fisiologia , Prótese do Joelho , Microcomputadores , Equilíbrio Postural , Atividades Cotidianas , Adulto , Análise de Variância , Fenômenos Biomecânicos , Estudos Cross-Over , Humanos , Pessoa de Meia-Idade , Desenho de PróteseAssuntos
Educação em Saúde , Gravidez na Adolescência , Educação Sexual , Adolescente , Feminino , Humanos , Gravidez , Estados UnidosAssuntos
Educação em Saúde , Estatística como Assunto , Adolescente , Coleta de Dados , Feminino , Humanos , Gravidez , Gravidez na Adolescência , PesquisaRESUMO
An interdisciplinary evaluation approach was developed to analyze and compare school nutrition education programs systematically. Theoretical models from education, preventive medicine, health education and statistical evaluation were applied to 22 studies published between 1968 and 1978 to judge program impact on nutrition knowledge, behavior, and attitudes. Six studies reported XS and SDs for control and experimental groups. Effect sizes, showing average treatment effect in standard deviation units, were calculated for those six studies. It can be concluded that the more interdisciplinary criteria a study fulfills, the more likely it is to influence knowledge, behavior, and attitudes.
