Clarity and Confusion in the Development of Youth Aerobic Fitness

.Peak oxygen uptake (V ̇O_2) is internationally recognized as the criterion measure of youth aerobic fitness, but flawed laboratory assessments and fallacious interpretations of peak V ̇O_2 in ratio with body mass have confused our understanding of the development of aerobic fitness. Moreover, the recent emergence of specious predictions of peak V ̇O_2 from performance tests and the promotion of spurious ‘clinical red flags’ and cardiometabolic...