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Age-Related Changes in Centre of Pressure Trajectories Analysed with a Novel 'Return to Central' Analysis
1Department of Sport Science, University of Innsbruck, Innsbruck, Austria.
Abstract:
To evaluate age and fall-risk related changes in balance ability from measures of bipedal quiet stance, this study aims to investigate the characteristics of 'return to central' - Centre of Pressure (COP) trajectories. COP trajectories were extracted from 60-second COP recordings in bipedal stance. In anterior posterior direction, age was associated with a greater number of detected trajectories, increased velocity and more stringent control. No differences related to fall risk were established or to age or fall risk in mediolateral direction. The characteristics 'return to central' COP trajectories provided insight into the working of the postural control system and can be further developed for application if testing balance under challenging conditions is too risky.
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