Table 2 Baseline physical characteristics of three groups (mean ± SD)

HIIT (n = 12)

MICT (n = 11)

CON (n = 13)

Age (y)

11.4 ± 0.8

11.2 ± 0.7

11.0 ± 0.7

Height (m)

148.8 ± 7.8

152.5 ± 7.9

151.0 ± 6.3

Body mass (kg)

56.5 ± 8.1

56.2 ± 10.1

55.3 ± 5.7

BMI (kg/m²)

24.5 ± 1.1

24.4 ± 0.9

23.8 ± 0.8

%BF (%)

38.4 ± 4.0

39.2 ± 2.7

38.3 ± 1.6

FM (kg)

21.7 ± 2.2

22.0 ± 4.6

20.5 ± 2.0

FFM (kg)

30.2 ± 3.6

30.2 ± 5.4

28.7 ± 2.5

WC (cm)

83.8 ± 7.4

79.2 ± 5.6

82.5 ± 7.1

\(\dot{\mathrm{V}}{\mathrm{O}}_{2\mathrm{peak}}\) (mL/kg/min)

41.8 ± 1.7

42.1 ± 2.6

42.8 ± 1.3

SBP (mmHg)

115 ± 7

119 ± 6

115 ± 5

DBP (mmHg)

69 ± 5

71 ± 4

71 ± 4

Energy intake (Kcal/day)

2937 ± 271

3129 ± 253

2989 ± 183