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. Author manuscript; available in PMC: 2019 May 17.
Published in final edited form as: J Biomech. 2018 Mar 17;73:92–98. doi: 10.1016/j.jbiomech.2018.03.021

Table 2.

Average (Av) and standard deviation (SD) of measured creep deformations and curve fit parameters.

Variable Description (see Figure 2) n Av SD
De Elastic displacement before creep (mm) 20 0.617 0.288
Dcr Creep displacement (mm) 20 0.341 0.269
Rcr Creep recovery (mm) 20 0.171 0.100
Dres Residual displacement (mm) 20 0.528 0.356
Dres-cr Residual displacement from creep (mm) 20 0.170 0.214
Dcr-norm Normalized creep displacement 20 0.545 0.358
Rcr-norm Normalized creep recovery 20 0.290 0.172
Dres-norm Normalized residual displacement 20 0.256 0.246
Rel Elastic Recovery (mm) 20 0.191 0.059
Dtot Total Displacement (mm) 20 0.958 0.487
τcr Creep time constant (s) 22 345.728 139.664
n Stretch exponent 22 0.657 0.109
C Creep rate (mm/s) 22 0.000043 0.000095
r2adj for curve fit 22 0.998 0.002