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Gross Efficiency and Cycling Economy Are Higher in the Field as Compared with on an Axiom Stationary Ergometer

Bertucci, William M and Betik, Andrew C and Duc, Sebastien and Grappe, Frederic (2012) Gross Efficiency and Cycling Economy Are Higher in the Field as Compared with on an Axiom Stationary Ergometer. Journal of Applied Biomechanics, 28 (6). pp. 636-644. ISSN 1065-8483 (print) 1543-2688 (online)

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Abstract

This study was designed to examine the biomechanical and physiological responses between cycling on the Axiom stationary ergometer (Axiom, Elite, Fontaniva, Italy) vs. field conditions for both uphill and level ground cycling. Nine cyclists performed cycling bouts in the laboratory on an Axiom stationary ergometer and on their personal road bikes in actual road cycling conditions in the field with three pedaling cadences during uphill and level cycling. Gross efficiency and cycling economy were lower (–10%) for the Axiom stationary ergometer compared with the field. The preferred pedaling cadence was higher for the Axiom stationary ergometer conditions compared with the field conditions only for uphill cycling. Our data suggests that simulated cycling using the Axiom stationary ergometer differs from actual cycling in the field. These results should be taken into account notably for improving the precision of the model of cycling performance, and when it is necessary to compare two cycling test conditions (field/laboratory, using different ergometers).

Item Type: Article
Uncontrolled Keywords: ResPubID25498, road cycling, biomechanics of pedaling, pedaling cadence, crank inertial load
Subjects: FOR Classification > 0606 Physiology
FOR Classification > 1106 Human Movement and Sports Science
Faculty/School/Research Centre/Department > Institute of Sport, Exercise and Active Living (ISEAL)
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Depositing User: VUIR
Date Deposited: 26 Aug 2013 06:21
Last Modified: 04 Jul 2014 06:36
URI: http://vuir.vu.edu.au/id/eprint/10718
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