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Physiological Predictors of Maximal Incremental Running Performance.

Fábio J Lanferdini¹, Edson S Silva², Esthevan Machado²

¹Laboratório de Biomecânica, Centro de Desportos, Universidade Federal de Santa Catarina, Florianópolis, Brazil.

Frontiers in Physiology

|August 28, 2020

Summary

Maximal oxygen uptake (VO2MAX) and running economy (RE) at 16 km/h are key predictors of maximal running performance in endurance athletes. These physiological components explain 81% of performance variations, highlighting their importance for predicting speed and endurance capabilities.

Keywords:

VO2MAX incremental test metabolic cost runners running economy

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Area of Science:

Sports Science
Exercise Physiology
Human Performance

Background:

Endurance running performance is influenced by various physiological factors.
Identifying key predictors can optimize training and performance.
Maximal oxygen uptake and running economy are commonly assessed physiological metrics.

Purpose of the Study:

To determine if physiological components, including vertical jump performance, running economy, and ventilatory thresholds, can predict maximal endurance running performance.
To identify the most significant predictors of maximal running speed (vVO2MAX) in male endurance runners.

Main Methods:

Twenty male runners underwent maximal vertical jump tests (Squat Jump, Countermovement Jump) and maximal incremental running tests.
Running economy and metabolic cost were measured during submaximal running at constant speeds (12 and 16 km/h).
Multivariate stepwise regression analysis was used to identify predictors of maximal running performance (vVO2MAX).

Main Results:

Maximal oxygen uptake (VO2MAX) and running economy (RE) at 16 km/h were significant predictors of maximal running performance (vVO2MAX).
These two factors accounted for 81% of the variance in performance (p < 0.001).
Other tested physiological components did not show the same predictive power.

Conclusions:

VO2MAX and RE are the primary physiological determinants of maximal incremental running test performance.
These findings underscore the importance of VO2MAX and RE for assessing and enhancing endurance running capacity.