Cardiorespiratory Fitness and Adiposity as Determinants of Metabolic Health—Pooled Analysis of Two Twin Cohorts

The joint effects of cardiorespiratory fitness (CRF) and body composition on metabolic health are not well known.To examine the associations of CRF, fat-free mass index (FFMI), and fat mass index (FMI) with metabolic health in individual twins and controlling for genetic and shared environmental effects by studying monozygotic intrapair differences.Two cross-sectional samples of healthy adult monozygotic and dizygotic twins were drawn from...