VLaMax sits alongside VO2max as a foundational physiological metric, popularised in cycling by INSCYD testing and Dan Lorang's work at Red Bull-Bora-Hansgrohe. Road cyclists and triathletes typically benefit from a lower VLaMax (0.3-0.5 mmol/L/s) because it extends the sustainable threshold. Track sprinters need a high VLaMax (0.8+). VLaMax is reduced by high-volume low-intensity riding and glycogen-depleted work; it's increased by short maximal efforts. Measuring VLaMax requires specialist lactate testing — most cyclists infer it from 20-second vs 20-minute power ratios.
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