We are pleased to introduce the abstract of this review, written in Spanish by Luis F. Castro. This review aims to present the methods of measuring exercise intensity through blood lactate concentration, and the factors that may determine the objectivity of the measurement.

The authors delve into this issue in the abstract of the article, which is available at https://www.laktate.com/en/information/lactate-in-the-sports-field/measurements-of-blood-lactate-concentration-in-performance-and-determining-factors/ where we have included a link to access the original article, written in Spanish.