Ativação do músculo esternocleidomastoideo após treinamento muscular inspiratório em pacientes com doença pulmonar obstrutiva crônica: ensaio clínico randomizado
DOI:
https://doi.org/10.1590/1809-2950/19009727022020Palabras clave:
Electromiografía, Músculos Respiratorios, Enfermedad Pulmonar Obstructiva Crónica, Terapia RespiratoriaResumen
El presente estudio tuvo como objetivo evaluar el efecto del entrenamiento muscular inspiratorio de baja frecuencia a corto plazo (Threshold TMI) sobre la fuerza muscular inspiratoria y la actividad electromiográfica del músculo esternocleidomastoideo (ME) en personas con enfermedad pulmonar obstructiva crónica (EPOC). Las personas con EPOC que participan en un programa de rehabilitación pulmonar se asignaron a un grupo control o de entrenamiento muscular inspiratorio (EMI). El grupo control participó en la rehabilitación habitual, mientras que el grupo de EMI también recibió EMI, con una carga del 50% de la presión inspiratoria máxima (PImáx) ajustada semanalmente. Ambas intervenciones tuvieron 2 meses de duración. Los resultados incluyeron el análisis electromiográfico de SCM y PImáx. Se asignaron 10 participantes al grupo control y 10 al grupo de EMI. El grupo de EMI tuvo un aumento de la PImáx en los valores absoluto (p<0,001) y predicho (p<0,001) y en la variación pre y posintervención entre grupos (p=0,003 y p=0,008, respectivamente). No se encontraron estas diferencias en el grupo control. La actividad muscular del ME disminuyó en el EMI después de la evaluación intragrupal (p=0,008). El EMI redujo la actividad electromiográfica del ME de pacientes con EPOC, además aumentó la fuerza muscular inspiratoria en los participantes del estudio.
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Derechos de autor 2020 Diogo Fanfa Bordin, Dannuey Machado Cardoso, Litiele Evelin Wagner, Paula Regina Beckenkamp, Andrea Lúcia Gonçalves da Silva, Dulciane Nunes Paiva
Esta obra está bajo una licencia internacional Creative Commons Atribución-CompartirIgual 4.0.
