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Fig. 8. Average muscle force, net fascicle strain and net work output for the
peroneus longus (PL) analyzed over individual segments of the
stretchshorten cycle during steady speed running at 2 m
s1 on a level, inclined and declined treadmill. (A) The
lengthening region of the stretchshorten cycle and (B) the shortening
region of the stretchshorten cycle (analyzed as the region in stance
following lengthening). L0, resting segment length.