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The interindividual variation, comparison of the state of training, and the effects of prolonged work on running economy Bula, Jonathan E.

Abstract

The purpose of this study was to examine the differences in running economy between a group of well-trained runners and a group of non-runners. A secondary objective was to ascertain the effects of a prolonged run, near the ventilatory threshold, on the subjects' running economy. Two groups often males (X ± SD: age 25.6 ± 4.8, V0₂[sub max] 4.8 ± 0.7 Lmin⁻¹ for the runners; X ± SD: age 20.6 ± 2.3, V0₂[sub max]3.9 + 0.5 Lmin⁻¹ for the non-runners) performed two running economy tests on three separate occasions. They also performed a prolonged-run, of a maximum of 60 minutes, at an intensity near the subject's individual ventilatory threshold. The prolonged run was followed by two more running economy tests. Despite the statistically significant difference in V0₂[sub max] (p

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