Higher Accuracy of the Lactate Minimum Test Compared to Established Threshold Concepts to Determine Maximal Lactate Steady State in Running

International Journal of Sports Medicine
Patrick WahlWilhelm Bloch

Abstract

This study evaluated the accuracy of the lactate minimum test, in comparison to a graded-exercise test and established threshold concepts (OBLA and mDmax) to determine running speed at maximal lactate steady state. Eighteen subjects performed a lactate minimum test, a graded-exercise test (2.4 m·s-1 start,+0.4 m·s-1 every 5 min) and 2 or more constant-speed tests of 30 min to determine running speed at maximal lactate steady state. The lactate minimum test consisted of an initial lactate priming segment, followed by a short recovery phase. Afterwards, the initial load of the subsequent incremental segment was individually determined and was increased by 0.1 m·s-1 every 120 s. Lactate minimum was determined by the lowest measured value (LMabs) and by a third-order polynomial (LMpol). The mean difference to maximal lactate steady state was+0.01±0.14 m·s-1 (LMabs), 0.04±0.15 m·s-1 (LMpol), -0.06±0.31 m·s1 (OBLA) and -0.08±0.21 m·s1 (mDmax). The intraclass correlation coefficient (ICC) between running velocity at maximal lactate steady state and LMabs was highest (ICC=0.964), followed by LMpol (ICC=0.956), mDmax (ICC=0.916) and OBLA (ICC=0.885). Due to the higher accuracy of the lactate minimum test to determine maximal lactate ste...Continue Reading

Citations

Nov 9, 2018·The Physician and Sportsmedicine·Lukas ZwingmannPatrick Wahl
Jun 11, 2019·Frontiers in Neuroscience·Yaeli Lev-VachnishEitan Okun
Sep 4, 2019·Research Quarterly for Exercise and Sport·Ibai Garcia-TabarEsteban M Gorostiaga
Jan 29, 2021·International Journal of Sports Medicine·Claudio Perret, Kathrin Hartmann
Dec 21, 2021·Frontiers in Sports and Active Living·Lukas ZwingmannJan-Peter Goldmann

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