Determining mass centre trajectory variations for application to human modelling

Reference:

Mitchell, R. H., Salo, A. I. T. and Medland, A. J., 2003. Determining mass centre trajectory variations for application to human modelling. In: Hamza, M. H., ed. Proceedings of the IASTED International Conference on Biomechanics (BioMECH 2003). ACTA Press, pp. 147-152.

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Official URL:

http://www.actapress.com/Abstract.aspx?paperId=13472

Abstract

Of the numerous man-model packages available for ergonomic evaluation, few have the capacity to correctly recreate human movement patterns under differing conditions without intervention from skilled operators. A manikin has been created within SWORDS, a constraint based modeller that produces unique movement patterns based on the conditions under which a movement occurs. For application to the manikin, this study established variations that occur in the mass centre horizontal trajectory due to changes in pace, posture and seat height, during sit-to-stand. Variations were considered in terms of events that occur throughout the motion. Regression equations were used in order to predict the occurrence of events under different conditions, and a mass centre trajectory was created by fitting a curve to the events.

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