The effect of klapskate hinge position on push-off performance: a simulation study

J.H.P. Houdijk, M.F. Bobbert, J.J. de Koning, G. de Groot

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    Abstract

    Purpose: The introduction of the klapskate in speed skating confronts skaters with the question of how to adjust the position of the hinge in order to maximize performance. The purpose of this study was to reveal the constraint that klapskate hinge position imposes on push-off performance in speed skating. Method: For this purpose, a model of the musculoskeletal system was designed to simulate a simplified, two-dimensional skating push off. To capture the essence of a skating push off, this model performed a one-leg vertical jump, from a frictionless surface, while keeping its trunk horizontally. In this model, klapskate hinge position was varied by varying the length of the foot segment between 115 and 300 mm. With each foot length, an optimal control solution was found that resulted in the maximal amount of vertical kinetic and potential energy of the body's center of mass at take off (W
    Original languageEnglish
    Pages (from-to)2077-2084
    JournalMedicine and Science in Sports and Exercise
    Volume35
    Issue number12
    DOIs
    Publication statusPublished - 2003

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