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Increased gait unsteadiness in community-dwelling elderly fallers
HAUSDORFF JM; EDELBERG HK; MITCHELL S
ARCH PHYS MED REHABIL , 1997, vol. 78, n° 3, p. 278-283 Doc n°: 80155 Localisation : Documentation IRR Descripteurs : MA - GERONTOLOGIE
Article consultable sur : http://www.archives-pmr.org
Objective: To lest the hypothesis that quantitative measures of gait unsteadiness are increased in community-dwelling elderly fallers. Study Design: Retrospective, case-control study. Setting: General community. Participants: Thirty live community-dwelling elderly subjects older than 70 years of age who were capable of ambulating independently for 6 minutes were categorized as fallers (age, 82.2 ± 4.9yrs [mean ± SD]; n=18) and nonfallers (age, 76.5 ± 4.0yrs; n = 17) based on history; 22 young (age, 24.6 ± 1.9yrs), healthy subjects also participated as a second reference group. Main Outcome Measures: Stride to stride variability (standard deviation and coefficient of variation) of stride time, stance time, swing time, and percent stance time measured during a 6-minute walk. Results: All measures of gait variability were significantly greater in the elderly fallers compared with both the elderly nonfallers and the young subjects (p < .0002). In contrast, walking speed of the elderly fallers was similar to that of the nonfallers. There were little or no differences in the variability measures of the elderly nonfallers compared with the young subjects. Conclusions: Stride to-stride temporal variations of gait are relatively unchanged in community-dwelling elderly nonfallers, but are significantly increased in elderly fallers. Quantitative measurement of gait unsteadiness may be useful in assessing fall risk in the elderly. Langue : ANGLAIS Identifiant basis : 1997001171 |
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