A method of providing accurate velocity feedback of performance on an instrumented kayak ergometer |
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| Authors: | Mickaël Begon Olivier Mourasse Patrick Lacouture |
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| Institution: | (1) Department of Kinesiology, University of Montreal, Research Centre of Sainte-Justine Hospital, Montreal, Canada;(2) School of Sport and Exercise Sciences, Loughborough University, Ashby Road, Loughborough, Leicestershire, LE11 3TU, UK;(3) Laboratory of Solid Mechanics, CNRS UMR 6610, University of Poitiers, Poitiers, France |
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| Abstract: | On a kayak ergometer, an accurate simulation of the athlete-paddle-kayak system kinematics is essential for analysing the relationship between technique and performance. The purpose of this study
was to establish a strong relationship between performances on flatwater and performances on an ergometer by means of propulsive
force measurement and drag models. Two trials were performed by 12 kayakers in which they were first timed over 250 m of flatwater
kayaking (the reference test) and were then asked to perform a trial of the same duration on the ergometer with the same perceived
physical exertion. Three techniques for measuring propulsive force and three drag models generated nine combinations, which
were all evaluated for their ability to estimate kayak velocity. For each combination, the distance covered by the athlete
on the ergometer was simulated. A kayakers’ ergometer ranking was based on the average velocity in the ergometer trial. Both
distance and ranking were compared to the on-water results. The simulation with the best combination of force measurement
and drag model gave an accurate estimate of distance (253 ± 10.5 vs. 250 m) and ranking compared to the reference test. |
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| Keywords: | Drag models Propulsive force Simulation |
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