Stabilization of old and new postural patterns in standing humans

Benoît G. Bardy, Elise Faugloire, Paul Fourcade, Thomas A. Stoffregen

Research output: Chapter in Book/Report/Conference proceedingChapter

4 Scopus citations

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.

Original languageEnglish (US)
Title of host publicationMotor Control and Learning
EditorsM. Latash, F. G. Lestienne
Place of PublicationBerlin, Germany
PublisherSpringer US
Pages77-87
Number of pages11
ISBN (Print)0387253904, 9780387253909
DOIs
StatePublished - 2006

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