ABSTRACT
Objective@#To explore the effect of all day physical activity in a 4 week closed training camp on the improvement of body composition and cardiovascular metabolic risk in metabolic unhealthy obese adolescents (MUO), so as to provide stronger evidence for the health promotion of obese adolescents with different metabolic states.@*Methods@#From July to August 2019, 58 obese adolescents aged 10-17 years from a closed training camp in Shenzhen were recruited and their body composition, blood pressure,lipid profile, and fasting blood glucose before admission were measured. They were divided into MUO group( n =31) and metabolic healthy obese (MHO) group( n =27). Using an Actigraphw GT3xBT triaxial accelerometer, the physical activity of the two groups during the whole day from 9:00 to 19:00 in a closed training camp for four weeks was recorded. After the conclusion of the camp, the above indicators were detected to compare the differences between the two groups before and after the intervention and the changes within the group.@*Results@#A total of 51.6% of MUO adolescents transitioned to MHO adolescents; Body weight, BMI Z score, body fat mass, SBP, TG, HDL-C, and FPG had time×group significant interactions( F=11.25, 11.25, 11.04, 4.89, 16.75, 5.92 , 5.57, P <0.05). The main effect of the group showed that before entering the camp, the BMI Z score, SBP, TG, and FPG in the MUO group were higher than those in the MHO group, while the HDL-C was lower than those in the MHO group( F=5.60, 6.62 , 20.21, 10.17, 31.04, P <0.05). The main effect of time showed that the body weight, BMI Z score, body fat mass, SBP, and TG of both groups decreased significantly( P <0.05), and HDL-C only showed a significant increase in the MUO group( P < 0.01 ). There was no significant change in FPG in both groups before and after intervention( P >0.05). The time×group interactions of body fat ratio, DBP, TC, and LDL-C was not significant( P >0.05), and the main effect of the group was not significant( P > 0.05 ), the main effect of time was significant( P <0.01).@*Conclusion@#Increased physical activity in the form of closed training camps can help MUO adolescents reduce fat, MUO adolescents should increase physical activity in their daily life to reduce the risk of cardiovascular metabolic diseases.