kT 0.005[MPa/mV] "Saturated active stress"
Phir -80[mV] "Resting potential"
e0 0.1[1/ms] "Rate constants of contraction"
einf 1[1/ms] "Rate constants of contraction"
zeta 1[1/mV] "Transition rate"
Phibar 0[mV] "Phase shift"
vf 1 "Active stress scaling along fiber direction"
vs 0.4 "Active stress scaling along sheet direction"
vn 0.4 "Active stress scaling along normal to sheet direction"