Biomedical Engineering Reference
In-Depth Information
muscle, this is not the case. Passive structures are recruited earlier and have a sig-
nificant contribution to the isometric stress, see, e.g., Dobrin ( 1973 ). Nevertheless,
smooth muscles still satisfy Hill's equation, see Arner ( 1982 ), and it makes sense to
use Eq. ( 6.26 ) as an evolution law for ε ft . Note that the constants a and b in Hill's
equation are not arbitrary, however. Only b can be chosen freely since a is defined
by a = n C μf/b .
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