期刊
GAIT & POSTURE
卷 18, 期 2, 页码 27-36出版社
ELSEVIER SCI IRELAND LTD
DOI: 10.1016/S0966-6362(02)00197-2
关键词
gait speed; lateral balance control; mediolateral trunk acceleration; step width; step-width variability; healthy elderly
The aim of this paper was to investigate the effect of speed dependency on lateral gait parameters. In 36 healthy elderly (mean age = 72.5 years, S.D. = 3.2 years), walking at four different self-administered speeds, mediolateral trunk acceleration and step width (SW), but not step-width variability (SWV), were found to have quadratic relations to gait speed. Normalizing for speed by curvilinear interpolation, and controlling for subject characteristics, disclosed smaller SW (adjusted R-2 = 0.41, P < 0.001), but larger SWV (adjusted R-2 = 0.26, P = 0.01) with increasing age in multiple regression models. These relations were camouflaged at preferred speed. (C) 2002 Elsevier Science B.V. All rights reserved.
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