In this article, written in Spanish by L. García del Moral et al., the authors talk about the factors which affect the lactataemia during an effort test.  Even though in recent decades sport sciences have experienced an exponential growth, there is no universal method for the joint evaluation of all components of physical fitness.

The authors delve into this issue in the abstract of this article, which can be found at https://www.laktate.com/?page_id=3573&lang=en, where we also include a link to access the original article.