Predicting the metabolic cost of incline walking from muscle activity and walking mechanics.

Journal of Biomechanics
Amy SilderScott L Delp

Abstract

The goal of this study was to identify which muscle activation patterns and gait features best predict the metabolic cost of inclined walking. We measured muscle activation patterns, joint kinematics and kinetics, and metabolic cost in sixteen subjects during treadmill walking at inclines of 0%, 5%, and 10%. Multivariate regression models were developed to predict the net metabolic cost from selected groups of the measured variables. A linear regression model including incline and the squared integrated electromyographic signals of the soleus and vastus lateralis explained 96% of the variance in metabolic cost, suggesting that the activation patterns of these large muscles have a high predictive value for metabolic cost. A regression model including only the peak knee flexion angle during stance phase, peak knee extension moment, peak ankle plantarflexion moment, and peak hip flexion moment explained 89% of the variance in metabolic cost; this finding indicates that kinematics and kinetics alone can predict metabolic cost during incline walking. The ability of these models to predict metabolic cost from muscle activation patterns and gait features points the way toward future work aimed at predicting metabolic cost when gait is...Continue Reading

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Citations

Apr 29, 2015·International Journal for Numerical Methods in Biomedical Engineering·Joo H Kim, Dustyn Roberts
Jan 30, 2014·Gait & Posture·Mason HaggertyHenry Wang
Feb 26, 2014·Journal of Biomechanics·Anne E Martin, James P Schmiedeler
Oct 10, 2013·The Behavioral and Brain Sciences·Fraser T SparksJohn L Kubie
Jun 7, 2016·Gait & Posture·Nathalie Alexander, Hermann Schwameder
Jun 2, 2016·PLoS Computational Biology·George A Tsianos, Lisa N MacFadden
Dec 17, 2016·The Journal of Experimental Biology·Lars JanshenAdamantios Arampatzis
Jan 11, 2019·Journal of Applied Physiology·Kimberly A IngrahamC David Remy
Jul 15, 2015·Journal of Applied Physiology·Rachel W Jackson, Steven H Collins
Jun 7, 2019·Journal of Neuroengineering and Rehabilitation·Patrick SladeScott L Delp
Sep 19, 2019·PloS One·Anne D KoelewijnAntonie J van den Bogert
May 30, 2020·Computer Methods in Biomechanics and Biomedical Engineering·Elena J CaruthersRobert A Siston
Jul 12, 2019·Scientific Reports·Sauvik Das GuptaDinant A Kistemaker
Jul 22, 2017·Journal of Applied Physiology·Lindsay W Ludlow, Peter G Weyand
Aug 30, 2020·Sensors·Sara E HarperPeter G Adamczyk
Jan 5, 2019·Journal of Neuroengineering and Rehabilitation·Martin GrimmerAndré Seyfarth
Jul 14, 2020·European Journal of Applied Physiology·D E LankfordA D Gidley
Apr 8, 2020·Royal Society Open Science·Prokopios AntonellisPhilippe Malcolm

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