Corrigendum to Monitoring training load and fatigue in soccer players with physiological markers

Abstract

In the introduction of the paper [1], it is stated that: “Subjective measures such as the rating of perceived exertion (RPE) [6], for which players are asked to grade their own perceived load, could be used to quantify fatigue and training load”.

However, as wisely described by Micklewright et al. [2]: “… perceived exertion, or the subjective experience of how hard a physical task feels was felt, is quite different compared to perceived fatigue, which we argue is a feeling of diminishing capacity to cope with physical or mental stressors (either imagined or real). (…) while we acknowledge the excellent psychophysical properties of most perceived exertion scales, measurements of exertion should only be used for their intended purpose of quantifying how hard a task feels. This suggests that perceived exertion scales should not be used to measure fatigue or fatigability”.

Therefore we would like to acknowledge that RPE could be used to quantify training load but it is not specifically targeting fatigue, as it has been stated in our and in other manuscripts.