[Comparative study of aerobio power between maturational stages determined by menarche].

Objective: To identify and compare the aerobic power between the maturation stages determined by menarche.

Methods: Participated 19 students from 10 to 14 years of the primary school of a private school in the city of Itajubá-MG, practicing physical school activities; six from stage M0, seven from stage M and six from stage M1. The study used a quasi-experimental typology and a comparative design.