Estimating VO2max With the Timed Mile Run: An Updated Equation for Today's Youth.
BACKGROUND School-based physical fitness testing (SB-PFT) is an important tool to address youth physical inactivity. However, the widely used Fitnessgram equation that converts timed mile run performance into estimates of cardiorespiratory fitness (VO2max) may not be valid for today's diverse US adolescent population....