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Article

A Proposal for a Linear Calculation of Gait Asymmetry

Department of Mechanical Engineering and Insigneo Institute for In Silico Medicine, The University of Sheffield, Sheffield S10 2TN, UK
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Author to whom correspondence should be addressed.
Academic Editor: Paul Sung
Symmetry 2021, 13(9), 1560; https://doi.org/10.3390/sym13091560
Received: 13 July 2021 / Revised: 9 August 2021 / Accepted: 18 August 2021 / Published: 25 August 2021
(This article belongs to the Special Issue Motion, Gait Analysis and Asymmetry)
Pathological gait is often associated with a lack of symmetry. A possible way to quantify this feature is to use acceleration data measured by a sensor located on the lower trunk. The most common approach calculates a symmetry index starting from the autocorrelation function, aiming to measure the divergence in motion of the left and right sides of the body. The various methods proposed to implement this approach are based on nonlinear and discontinuous functions, and the interpretation of their output is far from straightforward. The aim of this study was to propose a linear and easier to interpret quantification measure for gait asymmetry. The proposed measure was tested on data from healthy controls and from patients with Multiple Sclerosis and Parkinson’s Disease, and it was shown to negate the flaws present in previous methods and to provide more directly interpretable results. View Full-Text
Keywords: asymmetry; gait; accelerometer; IMU asymmetry; gait; accelerometer; IMU
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MDPI and ACS Style

van Gelder, L.M.A.; Angelini, L.; Buckley, E.E.; Mazzà, C. A Proposal for a Linear Calculation of Gait Asymmetry. Symmetry 2021, 13, 1560. https://doi.org/10.3390/sym13091560

AMA Style

van Gelder LMA, Angelini L, Buckley EE, Mazzà C. A Proposal for a Linear Calculation of Gait Asymmetry. Symmetry. 2021; 13(9):1560. https://doi.org/10.3390/sym13091560

Chicago/Turabian Style

van Gelder, Linda Maria Adriana, Lorenza Angelini, Ellen E. Buckley, and Claudia Mazzà. 2021. "A Proposal for a Linear Calculation of Gait Asymmetry" Symmetry 13, no. 9: 1560. https://doi.org/10.3390/sym13091560

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