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Table of Contents
Vol. 55, No. 6, 2009
Issue release date: November 2009
Section title: Clinical Section
Gerontology 2009;55:702–706
(DOI:10.1159/000235905)

Gait Variability among Healthy Adults: Low and High Stride-to-Stride Variability Are Both a Reflection of Gait Stability

Beauchet O.a · Allali G.b · Annweiler C.a · Bridenbaugh S.d · Assal F.b · Kressig R.W.d · Herrmann F.R.c
aDepartment of Internal Medicine and Geriatrics, Angers University Hospital, UPRES EA 2646, University of Angers, UNAM, France; Departments of bNeurology and cRehabilitation and Geriatrics, Geneva University Hospital and University of Geneva, Geneva, and dDepartment of Geriatrics, Basel University Hospital, Basel, Switzerland

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Article / Publication Details

First-Page Preview
Abstract of Clinical Section

Received: June 03, 2008
Accepted: November 20, 2008
Published online: August 28, 2009
Issue release date: November 2009

Number of Print Pages: 5
Number of Figures: 1
Number of Tables: 2

ISSN: 0304-324X (Print)
eISSN: 1423-0003 (Online)

For additional information: http://www.karger.com/GER

Abstract

Background: It has been suggested that high stride-to-stride variability (STV) is a reflection of gait instability. However, both low and high STV has been shown in fallers and in nonfallers; therefore, the interpretation of STV of spatiotemporal gait parameters remains difficult. Thus, we sought to characterize and compare STV of spatial and temporal stride parameters among young and older healthy adults, and to determine the extent to which opposite results in STV could provide similar implications in terms of gait stability. Methods: Mean values of coefficients of variation of spatiotemporal gait parameters were collected from 30 young adults (14 men and 16 women; mean age 28.1 ± 6.0 years) and 33 older adults (2 men and 31 women; mean age 74.4 ± 7.1 years) walking at self-chosen normal walking speed over a GAITRite® System. Results: An age-related increase in STV was only observed with stride width (p = 0.012), whereas increased stride length and stance time variability in older adults were related to decreased walking speed (p = 0.006 and p = 0.018). In addition, both low and high STV was found in both groups of subjects and the highest value was observed for stride width (p < 0.001). Conclusion: The two main implications of the present results are that decreased walking speed should be taken into account when exploring age-related effects on gait variability, and that both low and high spatiotemporal STV may reflect gait stability in healthy adults.

© 2009 S. Karger AG, Basel


Article / Publication Details

First-Page Preview
Abstract of Clinical Section

Received: June 03, 2008
Accepted: November 20, 2008
Published online: August 28, 2009
Issue release date: November 2009

Number of Print Pages: 5
Number of Figures: 1
Number of Tables: 2

ISSN: 0304-324X (Print)
eISSN: 1423-0003 (Online)

For additional information: http://www.karger.com/GER


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Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher or, in the case of photocopying, direct payment of a specified fee to the Copyright Clearance Center.
Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug.
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