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Distribution of third and first principal strains obtained from the middle 70% in height of the vertebral body. Plots show the frontal surface view of the control model (top) against the models with simulated lytic lesions of 4% VBvol (L#1), 12% VBvol (L#6), 24% VBvol (L#11), and 35% VBvol (L#16). Lesions located in the centre of the vertebral body.
