INSTRUMENTO VIRTUAL PARA MONITOREAR FATIGA MUSCULAR: UN CASO DE ESTUDIO (VIRTUAL INSTRUMENT TO MONITORING MUSCULAR FATIGUE: A STUDY CASE)
Resumen
Resumen
Este articulo describe la metodología de diseño de un instrumento virtual, a través de NI LabVIEW, que permita monitorear fatiga muscular, mediante biopotenciales eléctricos (EB por sus siglas en inglés). La técnica de adquisición de EB es electromiografía superficial (sEMG por sus siglas en inglés). El instrumento virtual permite observar, a través de gráficos, la señal electromiografía original o cruda (EMG RAW signal), la señal EMG rectificada, la señal EMG filtrada y amplificada, así como los espectros de frecuencia relacionados con el procesamiento de señales que ayudan a determinar fatiga muscular. En este contexto, el caso de estudio son problemas asociados a la espalda baja, debido a la importancia a nivel mundial referente a incapacidad laboral.
Palabra(s) Clave: Instrumento Virtual, Fatiga Muscular, electromiografía superficial, biopotenciales eléctricos, espalda baja.
Abstract
This article describes the design methodology of a virtual instrument, through NI LabVIEW, which allows monitoring muscular fatigue, using electrical biopotentials (EB). The EB acquisition technique is surface electromyography (sEMG). The virtual instrument allows to observe, through graphics, the original or raw electromyography signal, the rectified EMG signal, the filtered and amplified EMG signal, as well as the frequency spectra related to the signal processing that help to determine muscular fatigue. In this context, the study case is the lower back issues, due to the worldwide importance regarding work disability.
Keywords: Virtual Instrument, Muscular Fatigue, Surface Electromyography, Electrical Biopotentials, Lower Back.
Texto completo:
1375-1384 PDFReferencias
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