Key result
Plasma lactate levels during 1-hour maximal cycling show no correlation with performance.
Population
11 well-trained endurance cyclists or triathletes
Follow-up
1 hour
Authors
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Questions fixed 4 mmol/L lactate thresholds for endurance monitoring; hypothesis-generating for individualized responses in performance assessment.
Observational (n=11)
During a 1-hour maximal endurance performance test, plasma lactate concentrations vary widely among individuals and often exceed the commonly referenced 4 mmol/L threshold without correlating with performance.
Myburgh et al. (2001) conducted an observational in well-trained endurance cyclists or triathletes (n=11). Maximal effort cycling was evaluated on Plasma lactate concentration. During a 1-hour maximal effort cycling trial, average plasma lactate concentration was 7.6+/-2.1 mmol/L, showing wide individual variation that did not correlate with performance.
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