MECHANOMYOGRAPHIC ANALYSIS WITH 0.2 S AND 1.0 S TIME DELAY AFTER ONSET OF CONTRACTION

Eddy Krueger, Eduardo M. Scheeren, Gean Francesco D. Chu, Percy Nohama, Guilherme N. Nogueira-Neto, Vera Lúcia S. Nantes Button

Abstract

Muscle contractions generate lateral oscillations and motion artifacts that can be detected by MMG sensors placed in the inner and outer sides of the forearm. These artifacts can significantly affect signal processing and eventually it is necessary to eliminate their influence in order to detect movements reliably. One approach is to respect a time delay after the onset of contraction. This study aimed to evaluate the correlation of 0.2 s and 1.0 s time delays after the onset of contraction during wrist movements. This work respected two different time delays before initiating the signal analysis. Two analysis window lengths were evaluated (0.25 s and 0.50 s). The results showed that there are strong correlations between the acquired signals with both time delays, mainly the devised RZ feature (0.81–0.95). This study was a first approach to determine whether triaxial MMG features can be used for motor prosthesis control. The axial moduli presented strong correlations for all movements and can be productive in future applications.

References

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Paper Citation


in Harvard Style

Krueger E., M. Scheeren E., Francesco D. Chu G., Nohama P., N. Nogueira-Neto G. and Lúcia S. Nantes Button V. (2010). MECHANOMYOGRAPHIC ANALYSIS WITH 0.2 S AND 1.0 S TIME DELAY AFTER ONSET OF CONTRACTION . In Proceedings of the Third International Conference on Bio-inspired Systems and Signal Processing - Volume 1: BIOSIGNALS, (BIOSTEC 2010) ISBN 978-989-674-018-4, pages 296-299. DOI: 10.5220/0002746902960299


in Bibtex Style

@conference{biosignals10,
author={Eddy Krueger and Eduardo M. Scheeren and Gean Francesco D. Chu and Percy Nohama and Guilherme N. Nogueira-Neto and Vera Lúcia S. Nantes Button},
title={MECHANOMYOGRAPHIC ANALYSIS WITH 0.2 S AND 1.0 S TIME DELAY AFTER ONSET OF CONTRACTION },
booktitle={Proceedings of the Third International Conference on Bio-inspired Systems and Signal Processing - Volume 1: BIOSIGNALS, (BIOSTEC 2010)},
year={2010},
pages={296-299},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002746902960299},
isbn={978-989-674-018-4},
}


in EndNote Style

TY - CONF
JO - Proceedings of the Third International Conference on Bio-inspired Systems and Signal Processing - Volume 1: BIOSIGNALS, (BIOSTEC 2010)
TI - MECHANOMYOGRAPHIC ANALYSIS WITH 0.2 S AND 1.0 S TIME DELAY AFTER ONSET OF CONTRACTION
SN - 978-989-674-018-4
AU - Krueger E.
AU - M. Scheeren E.
AU - Francesco D. Chu G.
AU - Nohama P.
AU - N. Nogueira-Neto G.
AU - Lúcia S. Nantes Button V.
PY - 2010
SP - 296
EP - 299
DO - 10.5220/0002746902960299