Os efeitos do exercício funcional de alta intensidade e do treinamento simultâneo de dupla tarefa em idosos

protocolo de um estudo de ensaio clínico randomizado

Autores

DOI:

https://doi.org/10.15448/2357-9641.2026.1.48581

Palavras-chave:

Dupla tarefa, Pessoas idosas, Capacidade funcional, Cognição

Resumo

Objetivos: Este estudo tem como objetivo avaliar o impacto de um programa de exercícios funcionais de alta intensidade, com ou sem treinamento cognitivo simultâneo em dupla tarefa, sobre equilíbrio, capacidade funcional e desempenho cognitivo de pessoas idosas residentes na comunidade, com o desfecho primário de melhora na qualidade da marcha verificada pela redução do tempo de execução no teste de caminhada de três metros.

Métodos: Será realizado um ensaio clínico randomizado, duplo-cego, com pessoas idosas de 60 anos ou mais. Os participantes serão alocados aleatoriamente para um programa de exercícios funcionais de alta intensidade (grupo simples tarefa) ou para o mesmo programa combinado com desafios cognitivos simultâneos (grupo dupla tarefa) durante 12 semanas. Resultados físicos e cognitivos serão avaliados antes e após a intervenção por meio de variados testes cognitivos e físicos, incluindo o teste Timed Up and Go, Mini-BESTest, Montreal Cognitive Assessment, Trail Making Test e Digit Span Test, entre outros. A amostra foi estimada em 44 participantes (22 por grupo), considerando um poder estatístico de 95% e uma taxa de evasão de 20%, com base em estudos prévios de delineamento similar.

Resultados: Espera-se que o grupo de dupla tarefa apresente melhoras mais significativas no equilíbrio, função física e desempenho cognitivo em comparação ao grupo de simples tarefa, demonstrando a superioridade do treino motor-cognitivo de alta intensidade.

Conclusões: Caso as hipóteses sejam confirmadas, o treinamento em dupla tarefa poderá ser considerado uma intervenção eficaz e acessível para melhorar a saúde física e cognitiva das pessoas idosas, ajudando a reduzir o risco de quedas e os custos relacionados à saúde. Este estudo fornecerá evidências importantes para a inclusão de desafios cognitivos em programas de exercícios, visando maximizar os benefícios para essa população.

Registro do ensaio: O ensaio foi registrado prospectivamente no Registro Brasileiro de Ensaios Clínicos (RBR-107mtjc8).

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Biografia do Autor

João Vítor El H. Szortyka, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, RS, Brasil.

Graduanda em Fisioterapia pela Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA). Tem interesse acadêmico em envelhecimento, cognição, e treinamento de dupla tarefa em idosos.

Mariane Ronconi, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, RS, Brasil.

Graduanda em Fisioterapia pela Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA). Tem interesse acadêmico em envelhecimento, cognição, e treinamento de dupla tarefa em idosos.

Adriana T. de Lemos, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, RS, Brasil.

Possui graduação em Fisioterapia pelo Centro Universitário Metodista (2003), graduação em Educação Física pela Universidade Federal do Rio Grande do Sul (2007), mestrado em Ciências do Movimento Humano pela Universidade Federal do Rio Grande do Sul (2007) e doutorado em Ciências do Movimento Humano pela mesma instituição (2012). Atualmente, é Professora Associada na Universidade Federal de Ciências da Saúde de Porto Alegre. Possui experiência nas áreas de Fisioterapia, Saúde Pública e Saúde Ocupacional.

Felipe de S. Stigger, Universidade Federal de Ciências da Saúde de Porto Alegre, Porto Alegre, RS, Brasil.

É graduada em Fisioterapia pelo Centro Universitário Metodista IPA (2004), possui mestrado em Neurociências pela Universidade Federal do Rio Grande do Sul (UFRGS – 2010) e doutorado pelo mesmo programa de pós-graduação (2013). Durante o mestrado e o doutorado, trabalhou no Laboratório de Histofisiologia Comparada do Instituto de Ciências Básicas da Saúde (ICBS/UFRGS). Atualmente, é professora assistente no programa de Fisioterapia da Universidade Federal de Ciências da Saúde de Porto Alegre. Possui experiência em Fisioterapia Clínica e Neurofuncional, com foco em geriatria e gerontologia. Sua pesquisa atual foca na Neurobiologia da Reabilitação, investigando os efeitos de diferentes modalidades de exercício na plasticidade do sistema nervoso e nos resultados funcionais.

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Publicado

2026-03-04

Como Citar

El H. Szortyka, J. V., Ronconi, M., T. de Lemos, A., & de S. Stigger, F. (2026). Os efeitos do exercício funcional de alta intensidade e do treinamento simultâneo de dupla tarefa em idosos: protocolo de um estudo de ensaio clínico randomizado. PAJAR - Pan-American Journal of Aging Research, 14(01), e48581. https://doi.org/10.15448/2357-9641.2026.1.48581

Edição

v. 14 n. 01 (2026): Volume único - Fluxo contínuo

Seção

Artigo Original

Licença

Copyright (c) 2026 João Vítor El H. Szortyka, Mariane Ronconi, Adriana T. de Lemos, Felipe de S. Stigger

Creative Commons License
Este trabalho está licenciado sob uma licença Creative Commons Attribution 4.0 International License.