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. Author manuscript; available in PMC: 2009 Nov 1.

Published in final edited form as: J Biomech Eng. 2009 May;131(5):051004. doi: 10.1115/1.3078177

Plot of the fiber’s axial (ε_l ) and radial (ε_d ■) strains at the end of the mechanical-elongation (t_p) and mechanical stress-relaxation (t_r) phases. The radial strain was always greater then the axial strain at both times. After mechanical stress-relaxation both strains increased significantly. The best-fit linear model ± 95% confidence interval is shown.

Inline graphic — Plot of the fiber’s axial (ε_l ) and radial (ε_d ■) strains at the end of the mechanical-elongation (t_p) and mechanical stress-relaxation (t_r) phases. The radial strain was always greater then the axial strain at both times. After mechanical stress-relaxation both strains increased significantly. The best-fit linear model ± 95% confidence interval is shown.