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Fig. 7. (A) Lengthtension curves for the depressor mandibulae muscle
(N=3). At resting length (arrow), the muscle is at its optimum length
(L0), and a small amount of passive tension (
0.1 N)
is present. Below resting length, active and passive tension decline rapidly.
Colors represent different individuals (lines are best least-squares fit to
third-order polynomials). Black dotted line represents mean for all
individuals combined. (B) Forcevelocity curves for the depressor
mandibulae muscle (N=3). For the three individuals,
Vmax was 3.74, 3.62, and 3.48 ML
s1. P=observed force,
P0=maximum isometric force, V=observed velocity,
Vmax=maximum shortening velocity. Colors represent
different individuals (lines are best least-squares fit to Eqn 7). Black
dotted line represents mean for all individuals combined.