What question did this study set out to answer?

The study aims to compare oxygen uptake dynamics during level versus uphill running within different intensity domains in trained trail runners.

June 15, 2026European Journal of Applied PhysiologyOpen Access

Oxygen uptake on-kinetics during horizontal and uphill treadmill running in moderate- and severe-intensity domains

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Authors

TVThiago Pereira VenturaUniversidade Federal de Santa Catarina FBFernando Klitzke BorszczUniversidade do Estado de Santa Catarina GSGelson Ribeiro da SilvaUniversidade Federal de Santa Catarina

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Implication

Randomized trial compares oxygen uptake dynamics in trained runners during level and uphill running, suggesting incline-based testing is valid for training.

Key Points

The study aims to compare oxygen uptake dynamics during level versus uphill running within different intensity domains in trained trail runners.
Thirteen trained trail runners performed incremental treadmill tests to determine lactate threshold and maximum oxygen uptake.
Participants underwent square-wave transitions at moderate and severe intensity under both level and uphill conditions.
Breath-by-breath oxygen uptake was measured along with blood lactate concentration pre- and post-exercise.
During moderate exercise, uphill running showed higher primary oxygen uptake amplitude and post-exercise blood lactate compared to level running (p < 0.05).
In severe exercise, uphill and level running showed no differences in oxygen uptake kinetics, but peak oxygen uptake was higher in uphill running (p < 0.05).
Oxygen uptake on-kinetics were similar between level and uphill running, supporting the use of incline-based testing.

Cite This Study

Ventura et al. (2026) studied this question.

synapsesocial.com/papers/6a2f97c8a1cfeec490828c22 https://doi.org/10.1007/s00421-026-06292-9

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Implication

Randomized trial compares oxygen uptake dynamics in trained runners during level and uphill running, suggesting incline-based testing is valid for training.

Oxygen uptake on-kinetics during horizontal and uphill treadmill running in moderate- and severe-intensity domains

Discussion

Member takes

Implication

Key Points

Cite This Study

Oxygen uptake on-kinetics during horizontal and uphill treadmill running in moderate- and severe-intensity domains

Discussion

Member takes

Implication

Key Points

Cite This Study

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