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. Author manuscript; available in PMC: 2012 Oct 13.
Published in final edited form as: J Biomech. 2011 Aug 31;44(15):2659–2666. doi: 10.1016/j.jbiomech.2011.08.006

Figure 1. Stylized figure demonstrating two-step mechanical testing protocol.

Figure 1

1a. Part one of the mechanical testing protocol induced damage formation by uniaxially compressing and holding samples at a strain level of 0.8%. 1b. Part two of the mechanical testing protocol promoted microdamage progression by cyclically compressing samples uniaxially between −10 N and a maximum force calculated from a normalized stress level (Δσ/E0) of 0.005. The test ended when a strain of 0.8% was reached.