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. Author manuscript; available in PMC: 2018 Jul 26.
Published in final edited form as: J Biomech. 2017 Jun 20;60:30–38. doi: 10.1016/j.jbiomech.2017.06.008

Figure 5. Achilles tendon viscoelastic and dynamic mechanical properties.

Figure 5

Stress relaxation testing revealed no differences in (A) percent relaxation across age groups. A low-strain frequency sweep detected no changes in (B) tan(6) in response to aging, but (C) dynamic modulus was superior in the Young group at all frequencies tested. n = 11–12/group. Data represented as means and error bars indicating standard deviation. Solid lines indicate significant differences (p < 0.05/3).