Composição corporal na síndrome metabólica: Proposta de um protocolo de ensaio clínico randomizado avaliando o efeito do exercício de vibração de corpo inteiro
DOI:
https://doi.org/10.12957/bjhbs.2019.53058Resumo
Introdução: A síndrome metabólica (SMet) é caracterizada por
um grupo de fatores de risco cardiovascular, como hipertensão,
hiperglicemia, hipercolesterolemia, baixo colesterol de alta
densidade e aumento da gordura abdominal. Com o passar
dos anos, ocorrem mudanças na composição corporal, com
perda acelerada de massa magra e aumento da massa gorda,
favorecendo distúrbios cardiometabólicos. Existe uma forte
relação entre a inatividade física e a presença de múltiplos
fatores de risco para SMet. Assim, o exercício físico tem sido
recomendado para a prevenção de doenças cardiovasculares,
crônicas e da SMet. O exercício de vibração de corpo inteiro
(VCI) pode ser considerado como uma modalidade de exercício
que beneficia a força muscular e a saúde cardiovascular
de pessoas idosas, doentes e saudáveis. Indivíduos com SMet
são desmotivados a realizar exercícios físicos regularmente e,
portanto, novas abordagens de intervenção para essa população
são desejáveis. Objetivos: O objetivo deste estudo é apresentar
um protocolo para verificar o efeito do exercício VCI
na composição corporal de indivíduos com SMet. Métodos:
Ensaio clínico randomizado com indivíduos com SMet que
serão alocados no grupo de intervenção (GVCI) e no grupo
controle (GC). Os participantes serão colocados descalços na
base da plataforma vibratória alternada, com 130º de flexão
do joelho. Indivíduos (GVCI e GC) irão realizar o protocolo
por 12 semanas, duas vezes por semana. Os sujeitos do GC
realizarão os exercícios a 5 Hz ao longo da intervenção e os
do GVCI realizarão os exercícios de 5 Hz na primeira sessão,
adicionando 1 Hz por sessão, finalizando o protocolo a 16 Hz.
A composição corporal será avaliada antes e após o protocolo,
utilizando a análise por bioimpedância. Discussão: Estudos
envolvendo exercícios VCI mostraram melhora na composição
em indivíduos com diferentes condições (saudáveis e
não saudáveis). Conclusão: O protocolo proposto permitirá a
aquisição de achados que serão relevantes para avaliar o efeito
da VCI sobre a composição corporal de indivíduos com SMet
devido à fácil realização, ao baixo custo e à segurança.
Descritores: Exercício de vibração de corpo inteiro; Síndrome
metabólica; Atividade física.
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