PMID: 8945662Dec 1, 1996Paper

Calibration of measured center of pressure of a new stairway design for kinetic analysis of stair climbing

Journal of Biomechanics
B YuK-N An

Abstract

A stairway that allows the collection of kinetic data is essential for biomechanical studies on stair climbing. There is a need to validate the measured center of pressure (COP) on the surface of a stair in order to verify the accuracy of the calculation of joint kinetics. The purpose of this study was to validate a new stairway design for kinetic analysis of stair climbing through a calibration and error analysis of the COP obtained from this system. The new stairway design allows the collection of kinetic data for multiple steps without any constraint to foot placement. Known vertical forces were applied to known locations on the surface of each stair and each force plate. Multiple regression analyses were conducted to determine the distribution pattern of the error in the measured COP. It was found that the error in the COP was a function of location on the stair or force plate. The magnitude of the vertical force had no significant effect on the error in the measured COP. The distribution pattern of the error in the measured COP on the force plates used in this study matched the results in the literature. A healthy female subject was used as a subject in a stair climbing test. The error in the measured COP had a significant...Continue Reading

References

May 1, 1990·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·M P KadabaM E Wootten
May 1, 1988·The American Journal of Sports Medicine·J E TiboneD Moynes

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Citations

Mar 4, 2000·Medical & Biological Engineering & Computing·R RienerG Schmidt
Aug 30, 2008·Medical & Biological Engineering & Computing·Laetitia FradetSebastian I Wolf
Sep 21, 2000·Gait & Posture·P S FairburnS Jones
Nov 13, 2004·Gait & Posture·Alex StacoffInès A Kramers-de Quervain
Jun 19, 2001·Journal of Biomechanics·K R KaufmanK N An
May 1, 1997·Journal of Orthopaedic Research : Official Publication of the Orthopaedic Research Society·B YuK N An

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