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. Author manuscript; available in PMC: 2018 Jan 9.
Published in final edited form as: J Biomech. 2013 Nov 8;47(2):458–463. doi: 10.1016/j.jbiomech.2013.10.046

Figure 5.

Figure 5

Conceptual model for the effects of dwell time, fluid viscosity, medial/lateral (M/L) distance from the center of the shoe and sliding speed on the wedge and squeeze-film effects of the Reynolds equation (Hamrock et al., 2004). Solid lines represent factors that would increase fluid pressures while dashed lines represent factors that would decrease fluid pressures. Viscosity values from water, detergent, canola oil (Moore et al., 2012) and 90% glycerol (Singh and Beschorner, 2013) viscosity values were taken by previous tribology research. The plot within the “Sliding Speed” box is a representative time-series slipping speed profile where 0% time is heel contact.