期刊
GAIT & POSTURE
卷 41, 期 1, 页码 288-290出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.gaitpost.2014.08.010
关键词
Friction demand; Available friction; Gait kinematics
Perceived slipperiness rating (PSR) has been widely used to assess walkway safety. In this experiment, 29 participants were exposed to 5 floor types under dry, wet and glycerol conditions. The relationship between their PSR and objective measurements, including utilized coefficient of friction (UCOF), gait kinematics and available coefficient of friction (ACOF), was explored with a regression analysis using step-wise backward elimination. The results showed that UCOF and ACOF, as well as their difference, were the major predictors of the PSR under wet and glycerol conditions. Under wet conditions, the participants appeared to rely on the potential for foot slip to form their PSR. Under glycerol conditions, some kinematic variables also became major predictors of PSR. The results show how different proprioceptive responses and ACOF contributed to the prediction of PSR under different surface conditions. (C) 2014 The Authors. Published by Elsevier B.V.
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