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Fig. 1. Properties of the muscle and definition of terms used in the model. These
Scyliorhinus canicula white myotomal muscle properties were
determined experimentally in the work of Curtin et al.
(1998). (A)
Forcevelocity relationship of the contractile component at different
levels of activation. (B) Variation in the SEE stiffness with force and (C)
the resulting forcelength relationship of the SEE. (D) Phase of
activation is defined as the time between the start of stimulation and the
start of shortening expressed as a percentage of cycle duration and is
demonstrated with respect to one cycle of length change (a negative value
corresponds to activating the muscle whilst the muscle is stretching). Duty
cycle is expressed as the fraction of the cycle that the muscle/model is
stimulated.