Table 2.

Muscle constitutive properties parameters: the strain energy function Mooney–Rivlin coefficients, the bulk property and the muscle density taken from Chi et al. (2010)

Mooney–Rivlin coefficients	Values used
$C_{10}$	64,300 Pa
$C_{01}$	− 38,000 Pa
$C_{11}$	− 43 Pa
$C_{20}$	5400 Pa
$C_{02}$	5 Pa
$K$ (bulk modulus)	$5\times {10}^7$ Pa
ρ (density)	1000 kg/m3