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Average (over the contact area) maximum principal stresses (a), maximum principal logarithmic strains (b) and minimum principal logarithmic strains (c) during the stance phase of gait in the isotropic elastic (IE), isotropic poroelastic (IPE), transversely isotropic poroelastic (TIPE) and fibril-reinforced poroelastic (FRPE) models. Values are obtained using the contact area of the fibril-reinforced model. Material parameters can be found in Table 1.
