Abstract
An experiment was conducted in which volume of used oxygen per stride time and the total segmental changes in kinetic energy generated per stride time, ΔE k s−1, of 11 participants were determined on Day 1 for 7 treadmill running speeds. Gait transition speeds were determined on Day 2. Running metabolism and transition speed were predicted from the Day 1 mechanics of running expressed in Speed × ΔE k s−1 coordinates. Predictions followed from the relation between 2 generalized quality ratios Q metab, and Q mech, with numerator ΔE k s−1. In Q metab, the denominator was the volume of used oxygen per stride time; in Q mech, the denominator was the absolute regression constant from the linear dependency of ΔE k s−1 on speed.
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