Please use this identifier to cite or link to this item: http://buratest.brunel.ac.uk/handle/2438/8398
Title: Use of MMG signals for the control of powered orthotic devices: Development of a rectus femoris measurement protocol
Authors: Antonelli, MG
Zobel, PB
Giacomin, J
Keywords: Accelerometer;EMG;Lifting;MMG;Muscle;Orthosis;Rectus femoris
Issue Date: 2009
Publisher: Taylor & Francis
Citation: Assistive Technology, 21(1), 1 - 12, 2009
Abstract: A test protocol is defined for the purpose of measuring rectus femoris mechanomyographic (MMG) signals. The protocol is specified in terms of the following: measurement equipment, signal processing requirements, human postural requirements, test rig, sensor placement, sensor dermal fixation, and test procedure. Preliminary tests of the statistical nature of rectus femoris MMG signals were performed, and Gaussianity was evaluated by means of a two-sided Kolmogorov-Smirnov test. For all 100 MMG data sets obtained from the testing of two volunteers, the null hypothesis of Gaussianity was rejected at the 1%, 5%, and 10% significance levels. Most skewness values were found to be greater than 0.0, while all kurtosis values were found to be greater than 3.0. A statistical convergence analysis also performed on the same 100 MMG data sets suggested that 25 MMG acquisitions should prove sufficient to statistically characterize rectus femoris MMG. This conclusion is supported by the qualitative characteristics of the mean rectus femoris MMG power spectral densities obtained using 25 averages.
Description: Copyright © 2009 Rehabilitation Engineering and Assistive Technology Society (RESNA). This is an Author's Accepted Manuscript of an article published in Assistive Technology, 21(1), 1 - 12, 2009, copyright Taylor & Francis, available online at: http://www.tandfonline.com/10.1080/10400430902945678.
URI: http://www.tandfonline.com/doi/abs/10.1080/10400430902945678
http://bura.brunel.ac.uk/handle/2438/8398
DOI: http://dx.doi.org/10.1080/10400430902945678
ISSN: 1040-0435
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Dept of Design Research Papers

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