期刊
GAIT & POSTURE
卷 27, 期 4, 页码 547-551出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.gaitpost.2007.07.004
关键词
walk; friction; step length; shoe; unshod
The effect of step length on minimum required coefficient of friction (mu(R)) during a walking step was isolated from other features that influence the mechanics of foot contact (such as speed). Ground reaction force (GRF) from defined step lengths at consistent forward speed was used to calculate mu(R), required coefficent of friction. Some individuals walked in a manner that generated a mu(R) that was 50% larger than others, in spite of being restricted to the same speed, step length and step frequency. Unshod subjects had greater mu(R) compared to shod subjects except at the shortest step lengths. Understanding the dynamic interaction of applied vertical and horizontal forces is necessary to develop strategies to effectively evaluate unsafe circumstances, or modify behavior and develop safer equipment (at home and/or in the workplace) to deal with adverse footing environments. (c) 2007 Elsevier B.V. All rights reserved.
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