Document Detail


Effect of haptic supplementation on postural stabilization: A comparison of fixed and mobile support conditions.
MedLine Citation:
PMID:  20817295     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
It is well known in the literature of haptic supplementation that a "light touch" (LT) with the index finger on a stable surface increases postural stability. In view of potential application in the domain of mobility aids, it should however be demonstrated that haptic supplementation is effective even when provided by an unstable stick support. The present study aimed to explore the stabilizing effect of a three-digit "light grip" (LG) of different supports (fixed or mobile stick) in young people. Eleven participants (M=25.9 years) were tested in an upright standing task in six experimental conditions in which the mobility of the given support and its resistance in opposite direction to the body movement were manipulated. The RMS variability and the range of postural oscillations were measured. The results confirmed that the stabilizing effect of haptic supplementation is independent from the nature of the support (fixed or mobile) when sufficiently large sway-related contact forces on the fingers are provided. Future applications of this "mobile stick paradigm" to complex situations while targeting different groups of participants may help to approach everyday life situations in which an informational stick could potentially be of assistance to gain stability and mobility.
Authors:
Inke Marie Albertsen; Jean Jacques Temprado; Eric Berton
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Human movement science     Volume:  29     ISSN:  1872-7646     ISO Abbreviation:  Hum Mov Sci     Publication Date:  2010 Dec 
Date Detail:
Created Date:  2010-11-02     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8300127     Medline TA:  Hum Mov Sci     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  999-1010     Citation Subset:  IM    
Copyright Information:
Copyright © 2010 Elsevier B.V. All rights reserved.
Affiliation:
UMR 6233, Institut des Sciences du Mouvement, CNRS et Université de la Méditerranée, Marseille, France.
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