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Open Access Research article

Test-retest reliability of temporal and spatial gait characteristics measured with an instrumented walkway system (GAITRite®)

Cornelis JT van Uden1* and Marcus P Besser2

Author Affiliations

1 Department of Physical Therapy, University Medical Center Nijmegen, P.O. Box 9101, 6500 HB Nijmegen, The Netherlands

2 Department of Physical Therapy, Thomas Jefferson University, 130 South 9th Street Suite 830, Philadelphia, PA 19107-5233, USA

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BMC Musculoskeletal Disorders 2004, 5:13  doi:10.1186/1471-2474-5-13

Published: 17 May 2004

Abstract

Background

The purpose of this study was to determine the test-retest reliability of temporal and spatial gait measurements over a one-week period as measured using an instrumented walkway system (GAITRite®).

Methods

Subjects were tested on two occasions one week apart. Measurements were made at preferred and fast walking speeds using the GAITRite® system. Measurements tested included walking speed, step length, stride length, base of support, step time, stride time, swing time, stance time, single and double support times, and toe in-toe out angle.

Results

Twenty-one healthy subjects participated in this study. The group consisted of 12 men and 9 women, with an average age of 34 years (range: 19 – 59 years). At preferred walking speed, all gait measurements had ICC's of 0.92 and higher, except base of support which had an ICC of 0.80. At fast walking speed all gait measurements had ICC's above 0.89 except base of support (ICC = 0.79),

Conclusions

Spatial-temporal gait measurements demonstrate good to excellent test-retest reliability over a one-week time span.

Keywords:
gait; motion analysis; test-retest reliability