title: Can the Transition To and From Running and the Metabolic Cost of Running Be Determined From the Kinetic Energy of Running?
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, &grD;E(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 x &grD;E(k)>s(-1) coordinates. Predictions followed from the relation between 2 generalized quality ratios Q(metab), and Q(mech), with numerator &grD;E(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 &grD;E(k)>s(-1) on speed.
authors.affiliation: Center for the Ecological Study of Perception and Action, Department of Psychology, U-20, University of Connecticut, 406 Babbidge Road, Storrs, CT 06269, USA. turvey@uconnvm.uconn.edu
authors.forename: M. T.
authors.initials: MT
authors.lastname: Turvey
authors.forename: K. G.
authors.initials: KG
authors.lastname: Holt
authors.forename: M. E.
authors.initials: ME
authors.lastname: LaFlandra
authors.forename: S. T.
authors.initials: ST
authors.lastname: Fonseca