
Fragmentation of daily rhythms associates with obesity and cardiorespiratory fitness in adolescents: The HELENA study
Keywords: Daily; Rest-activity rhythms; Obesity; Cardiorespiratory fitness; Adolescents; CD; chronodisruption; PA; physical activity; BMI; body mass index; IV; intradaily variability; M10; 10Â h mean daytime activity index; TM10; estimated acrophase; BIA; bioelectr