Abstract
In human stance, rotations around the hips and ankles typically exhibit a relative phase close to 20°, or close to 180°. In this article, we propose a model of stance that captures these postural states and the changes between them. We also describe the results of a recent study in which participants learned a novel pattern of hip and ankle coordination (a relative phase of 135°). Participants learned this novel pattern rapidly. At the same time, learning led to a robust destabilization of pre-existing patterns of hip-ankle coordination. The rate and type of destabilization depended upon the initial stability of the pre-existing patterns. We discuss similarities and differences between the learning of postural and bimanual coordination modes.
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Bardy, B.G., Faugloire, E., Fourcade, P., Stoffregen, T.A. (2006). Stabilization of Old and New Postural Patterns in Standing Humans. In: Latash, M.L., Lestienne, F. (eds) Motor Control and Learning. Springer, Boston, MA. https://doi.org/10.1007/0-387-28287-4_7
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DOI: https://doi.org/10.1007/0-387-28287-4_7
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