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Fig. 7. Velocity and strain by individual. Total shortening velocity is the total
strain distance divided by the time between strain onset and peak strain. Fast
shortening velocity is the total strain between onset of fast shortening and
peak strain divided by the time between the onset of fast shortening and peak
strain. Strain and shortening velocity are expressed as negatives to
facilitate viewing. Mean total shortening velocity (including slow shortening)
was –1.3 FL s–1. Mean fast shortening velocity
across individuals was –2.5 FL s–1, suggesting
that the sternohyoideus functions to produce mechanical power. The majority of
strain occurred in the fast portion of the strain cycle in all individuals.
l, minimum FL, l0, resting FL.
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