Assessing lactate stability at the minimum lactate steady state velocity in male trained middle-distance runners.

A small rise in fat oxidation during the fifth interval was observed, but did not reach statistical significance (χ2 (5) = 5.21, p = 0.39). 3.4. 30-minute validation run at minimum lactate steady state (MLaSS) velocity At the individualized MLaSS velocity (90.1 ± 1.8% vV̇O2max, equivalent to 3:07 ± 0:03 min·km − 1), the 30-minute continuous validation run produced a distinct time-dependent lactate profile ( Fig 4 ).

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