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Schepers, H.M. and Koopman, H.F.J.M. and van Asseldonk, E.H.F. and Buurke, J.H. and Veltink, P.H. (2008) Ambulatory estimation of ankle and foot dynamics and center of mass movement. In: Proceedings of Measuring Behavior 2008, 6th International Conference on Methods and Techniques in Behavioral Research, 26 Aug - 29 Aug 2008, Maastricht, The Netherlands. pp. 18-19. Noldus Information Technology bv. ISBN 978-90-74821-81-0
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Traditionally, human body movement analysis is done in socalled ‘gait laboratories’, equipped with several measurement systems such as optical position measurement systems, EMG or force plates. The measured signals are used to estimate important gait variables. An important variable is the center of mass, an imaginary point at which the total body mass can be assumed to be concentrated. Several methods exist for center of mass estimation, of which the segmental kinematics method and the double integration of ground reaction force method are the most important ones. Other important variables are joint moment and powers. These can be estimated from estimations of body movement and ground reaction forces by applying inverse dynamics methods. A major drawback of the existing systems is the restriction to the laboratory environment. Therefore research is required for the development of measurement systems to perform these measurements in an ambulatory environment.
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