Development of Global Reference Standards for Directly Measured Cardiorespiratory Fitness: A Report From the Fitness Registry and Importance of Exercise National Database (FRIEND)

Abstract

Objective

To begin the process of developing global reference standards for adults from directly measured cardiorespiratory fitness (CRF).

Methods

Percentiles of maximal oxygen consumption (VO₂max) for men and women were determined for each decade from 20 through 79 years of age using International data from the Fitness Registry and Importance of Exercise: A National Database (FRIEND-I) along with...