Form and exploration of mechanical stability limits in erect stance

Gin McCollum; Todd K. Leen

doi:10.1080/00222895.1989.10735479

Form and exploration of mechanical stability limits in erect stance

Gin McCollum, Todd K. Leen

Research output: Contribution to journal › Article › peer-review

163 Scopus citations

Abstract

The stability limits of erect stance are described as a geometrical structure in a movement space. Mechanical properties and response latency, a neural property, are determining factors for the stability limits. Standing stability limits of adults and young children are compared, and a simple scheme is suggested by means of which infants can discover the stability limits as they learn to stand. The mechanics of different standing movements are discussed because their spatial and temporal properties relate directly to their different stability limits. The combination of the stability limits for different movements gives a total set of stability limits, a different structure for adults than for children.

Original language	English (US)
Pages (from-to)	225-244
Number of pages	20
Journal	Journal of motor behavior
Volume	21
Issue number	3
DOIs	https://doi.org/10.1080/00222895.1989.10735479
State	Published - Sep 1989
Externally published	Yes

ASJC Scopus subject areas

Biophysics
Orthopedics and Sports Medicine
Experimental and Cognitive Psychology
Cognitive Neuroscience

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10.1080/00222895.1989.10735479

Cite this

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title = "Form and exploration of mechanical stability limits in erect stance",

abstract = "The stability limits of erect stance are described as a geometrical structure in a movement space. Mechanical properties and response latency, a neural property, are determining factors for the stability limits. Standing stability limits of adults and young children are compared, and a simple scheme is suggested by means of which infants can discover the stability limits as they learn to stand. The mechanics of different standing movements are discussed because their spatial and temporal properties relate directly to their different stability limits. The combination of the stability limits for different movements gives a total set of stability limits, a different structure for adults than for children.",

author = "Gin McCollum and Leen, {Todd K.}",

note = "Funding Information: We appreciate the critical comments and references contributed by Anne Shumway-Cook, Fay B. Horak, and Charlotte Shupert. The referees' and editor's comments helped us to enhance the exposition of this work. This work was supported by NIH grant R01 NS23209 and NSF grant IRI-8509509. Reprints may be obtained from Gin McCollum, Robert S. Dow Neurological Sciences Institute, 1120 N. W 20th Ave nue, Portland, OR 97209-1595",

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AB - The stability limits of erect stance are described as a geometrical structure in a movement space. Mechanical properties and response latency, a neural property, are determining factors for the stability limits. Standing stability limits of adults and young children are compared, and a simple scheme is suggested by means of which infants can discover the stability limits as they learn to stand. The mechanics of different standing movements are discussed because their spatial and temporal properties relate directly to their different stability limits. The combination of the stability limits for different movements gives a total set of stability limits, a different structure for adults than for children.

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Form and exploration of mechanical stability limits in erect stance

Abstract

ASJC Scopus subject areas

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