PMID: 11911931Mar 26, 2002Paper

Development of a clinical test of gait in frail elderly by a cognitive approach of locomotion

Annales de réadaptation et de médecine physique : revue scientifique de la Société française de rééducation fonctionnelle de réadaptation et de médecine physique
O BeauchetR Gonthier

Abstract

From a cognitive approach of locomotion, we studied the feasibility and the reproducibility of a clinical test of gait which is devoted to predict fall. With a cross-sectional design, we studied the gait of 30 old subjects (average age 82.6+/-7.1 years). The gait course consisted of a 10m length in a well light room, with regular walking shoes. Two conditions were examined: walking with and without explicit cognitive task (mental arithmetic and verbal flow task). Time (seconds) and number of steps were collected by two operators Deviations and stops were video-taped. Number of figures was recorded with a tape recorder. The difficulty to perform gait conditions was estimated by each subject with a quotation ranging from 0 (easy gait) to 10 (difficult gait). Increases of time, steps, deviations and stops were observed when gait was associated to a cognitive task (6.4 seconds and 4.6 steps with mental arithmetic; 10.5 seconds and 6.7 steps with verbal flow task). All subjects managed this test. These results were reproducible across tests and operators. Walking with mental arithmetic was the most easy gait condition for subjects. The simplicity and the reproducibility of this test make it as adequate instrument of gait evaluation ...Continue Reading

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