Table 2 Mean (s.d.) calibration gains (β), root-mean squared (RMS) errors and coefficients of determination (R2) obtained via calibration performed on trial-specific data, subject-specific data and on pooled data across all subjects in the group.

From: Shear Wave Predictions of Achilles Tendon Loading during Human Walking

 

Trial-Specific

Subject-Specific

Group

β (kPa·s2/m2)

7.5 (2.7)

6.9 (2.3)

6.0

RMS Error (MPa)

1.0 (0.7)

1.9 (1.0)

2.9 (1.5)

R2

0.98 (0.02)

0.96 (0.02)

0.88 (0.08)