Ativação do músculo esternocleidomastoideo após treinamento muscular inspiratório em pacientes com doença pulmonar obstrutiva crônica: ensaio clínico randomizado
DOI:
https://doi.org/10.1590/1809-2950/19009727022020Palavras-chave:
Eletromiografia, Músculos Respiratórios, Doença Pulmonar Obstrutiva Crônica, Terapia RespiratóriaResumo
O objetivo deste estudo foi avaliar o efeito do treinamento muscular inspiratório de baixa frequência de curta duração (Threshold TMI) na força muscular inspiratória e na atividade eletromiográfica do músculo esternocleidomastoideo (ME) em pessoas com doença pulmonar obstrutiva crônica (DPOC). Pessoas com DPOC que participam de um programa de reabilitação pulmonar foram alocadas em um grupo controle ou de treinamento muscular inspiratório (TMI). O grupo controle participou da reabilitação habitual, enquanto o grupo TMI também recebeu TMI, com carga de 50% da pressão inspiratória máxima (PImáx) ajustada semanalmente. Ambas as intervenções duraram 2 meses. Os resultados incluíram análise eletromiográfica do SCM e PImáx. Dez participantes foram alocados para o grupo controle e 10 para o grupo TMI. O grupo com TMI apresentou um aumento na PImáx nos valores absoluto (p<0,001) e previsto (p<0,001) e na variação pré e pós-intervenção entre os grupos (p=0,003 e p=0,008, respectivamente). Tais diferenças não foram encontradas no grupo controle. A atividade muscular do ME diminuiu no TMI após avaliação intragrupo (p=0,008). O TMI proporcionou redução da atividade eletromiográfica do ME em pacientes com DPOC, além de aumentar a força muscular inspiratória nos participantes do estudo.
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Copyright (c) 2020 Diogo Fanfa Bordin, Dannuey Machado Cardoso, Litiele Evelin Wagner, Paula Regina Beckenkamp, Andrea Lúcia Gonçalves da Silva, Dulciane Nunes Paiva
Este trabalho está licenciado sob uma licença Creative Commons Attribution-ShareAlike 4.0 International License.
