Analysis of the multi-segmental postural movement strategies utilized in bipedal,tandem and one-leg stance as quantified by a principal component decomposition of marker coordinates |
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| Authors: | Peter Federolf Lilian Roos Benno M. Nigg |
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| Affiliation: | 1. Norwegian School of Sport Sciences, P.O. Box 4014, Ulleval Stadion, 0806 Oslo, Norway;2. Human Performance Lab, Faculty of Kinesiology, University of Calgary, Canada;3. Institute of Human Movements Sciences and Sport, ETH Zurich, Zurich, Switzerland |
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| Abstract: | Postural control research describes ankle-, hip-, or multi-joint strategies as mechanisms to control upright posture. The objectives of this study were, first, development of an analysis technique facilitating a direct comparison of the structure of such multi-segment postural movement patterns between subjects; second, comparison of the complexity of postural movements between three stances of different difficulty levels; and third, investigation of between-subject differences in the structure of postural movements and of factors that may contribute to these differences. |
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| Keywords: | Coordination of movements Movement synergies Postural control strategy Balance and stability Upright quiet stance Locomotor system Principal component analysis (PCA) |
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