PMID: 9645538Jun 30, 1998Paper

Standard mechanical energy analyses do not correlate with muscle work in cycling

Journal of Biomechanics
R R Neptune, Antonie J van den Bogert

Abstract

The goal of this study was to assess the utility of experimental methods to quantify mechanical energy expenditure (MEE) in human movement. To achieve this goal, a theoretical model of steady-state cycling driven by individual muscle actuators was used to produce two distinct pedal simulations. The simulations yielded the same pedaling rate and power output, but one reduced the MEE by avoiding eccentric muscle contractions. Contractile element force and length change in the individual muscles was used to quantify the total positive and negative work produced by the muscles. Three methods using external measurements were applied to the simulated movement. The three methods to quantify MEE were based on: (1) segment kinematic measurements, (2) work done by total joint powers and (3) intercompensated joint powers, i.e. negative work from one joint is transferred to an adjacent joint where energy is being generated (positive work) via biarticular muscles. The results showed that none of the MEE analyses were correlated to the MEE of the individual muscles, with errors reaching 40%. Errors were mainly attributed to the inability of the MEE methods to account for co-contractions of antagonistic muscle groups. This phenomenon occurred...Continue Reading

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Citations

Sep 17, 2002·Journal of Biomechanics·Paola ZamparoPietro di Prampero
Apr 23, 1999·Journal of Biomechanics·R R Neptune, M L Hull
Sep 7, 1999·Journal of Biomechanics·R R Neptune, W Herzog
Aug 1, 2013·Sports Biomechanics·Rodrigo R Bini, Patria A Hume
Mar 1, 2013·Journal of Biomechanical Engineering·Matthew MillardScott L Delp
Feb 17, 2009·The Journal of Experimental Biology·Kotaro SasakiSteven A Kautz
Aug 24, 2011·IEEE Transactions on Neural Systems and Rehabilitation Engineering : a Publication of the IEEE Engineering in Medicine and Biology Society·George A TsianosGerald E Loeb
Apr 29, 2015·International Journal for Numerical Methods in Biomedical Engineering·Joo H Kim, Dustyn Roberts
Oct 26, 2002·Exercise and Sport Sciences Reviews·Steven A Kautz, Richard R Neptune
Mar 3, 2017·The Journal of Experimental Biology·Jessy LauerJoão Paulo Vilas-Boas
Nov 30, 2007·Medicine and Science in Sports and Exercise·Julie L SauerDarryl G Thelen
Oct 29, 2005·American Journal of Physiology. Regulatory, Integrative and Comparative Physiology·Peter G WeyandMatthew W Bundle
Apr 6, 2004·Canadian Journal of Applied Physiology = Revue Canadienne De Physiologie Appliquée·Xavier NesiPatrick Pelayo
Aug 17, 2002·Journal of Applied Physiology·J McDanielJ C Martin
Apr 25, 2020·International Journal of Environmental Research and Public Health·Yunqi TangYu Liu
Dec 17, 2020·Frontiers in Bioengineering and Biotechnology·Marleny M AronesBenjamin J Fregly
Dec 4, 2009·Exercise and Sport Sciences Reviews·Richard R NeptuneSteven A Kautz
Dec 31, 2020·The Journal of Experimental Biology·Adrian K M LaiJames M Wakeling
Jun 11, 2020·Journal of Biomechanics·Przemysław Stróżyk, Bałchanowski Jacek

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