Table 3.

Sensitivity analysis of free parameters in biomechanical simulations

Parameter	Mean value	Mean output	Relative angle sensitivitya	Relative pad sensitivitya	Mean A-P angle contributionb	Mean A-P pad translation contributionb
gINT	32.6 N/V	2.7 × 10−4 N	2.6	2.1	26.1°	1.0 mm
gNA	4.5 N/V	0.9 × 10−4 N	0.2	0.9	1.4°	0.3 mm
gRET	18.6 N/V	2.1 × 10−4 N	1.0	1.6	9.1°	0.6 mm

^aSensitivity is defined by Equations 28 and 29.

^bMean reduction in amplitude when muscle force is set to 0.