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. Author manuscript; available in PMC: 2010 Jul 26.
Published in final edited form as: J Biomech. 2009 Jan 17;42(4):491–497. doi: 10.1016/j.jbiomech.2008.11.016

Fig. 10.

Fig. 10

Relationship between plastic strain energy dissipation (Upl) and applied strain (εi) and the linear regression fitting of the curves for both middle-aged (R2 = 0.98) and elderly groups (R2 = 0.97).