Fig. 8.

Normalized (a) and real (b) force-velocity curves showed large inter-animal variation (data for an activation of 0.2 shown here; see Figs. 9–11 for the data for activations of 0.3, 0.4, and 1.0). Similar to the case for the force-length curves at all activations (Figs. 4–6), in the normalized data inter-animal variability decreased as activation increased, but incorporation of the real forces removed this decrease. Numbers in right upper corner in each panel are activation level. To preserve figure legibility, velocities less than −5 mm/s (9 data points) are not shown.