The discriminating ability of multiple body composition measures in assessing cardiorespiratory fitness in Chinese adolescents aged 12–18 (opens in new tab)

BackgroundBody mass index (BMI) and waist circumference (WC) are widely used as traditional indicators of body composition. However, the relationship between the weight-adjusted waist index (WWI), the a body shape index (ABSI), and the body roundness index (BRI)—as newer derived indices—and cardiopulmonary fitness (CRF) in adolescents remains unclear. The purpose of this study is to discriminating ability the effectiveness of BMI, WC, WWI, ABSI, and BRI in identifying cardiorespiratory fitnes...