Creep and fatigue behavior of cancellous bone are thought to be important in senile fractures [1, 2], bone remodeling [3], and implant subsidence [4]. Mechanical tests of cancellous bone samples have explored permanent deformation over time in both creep and fatigue loading. For example, Bowman, et al. [1] investigated creep behavior of bovine trabecular bone showing strong relationships between the applied stress and both time-to-failure and steady-state creep rate.

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