Table 1 Body composition, quantitative ultrasonography parameters, and physical fitness regarding the sex and pubertal stage of 300 students

Weight (Kg)

47.6 ± 1,3

51.1 ± 1.3

46.6 ± 1.1

52.0 ± 0.9^b

49.8 ± 0.6

Height (m)

1.53 ± 0,006

1.56 ± 0.006

1.52 ± 0.007

1.58 ± 0.006^b

1.55 ± 0.004

BMI (Kg/m ² )

21.1 ± 0,3

20.6 ± 0.3

20.0 ± 0.4

20.7 ± 0.3

20.5 ± 0.2^d

% Body fat

24.3 ± 0,7

22.10 ± 0.2

23,7 ± 0.8

22.7 ± 0.6

23.3 ± 0.4^d

Fat mass (Kg)

12.1 ± 0.6

12.0 ± 0.5

11.8 ± 0.7

12.3 ± 0.5

12.2 ± 0.4^d

Fat-free mass (Kg)

35.50 ± 0,5

39.0 ± 0.5

34.9 ± 0.6

39.7 ± 0.5^b

37.6 ± 0.4

AD-SoS

2,012 ± 5.0

1,959 ± 5.1^a

1,974 ± 6.0

1,997 ± 5.2^c

1,988 ± 3.4

UBPI

0.73 ± 0.13

0.62 ± 0.12^a

0.64 ± 0.01

0.71 ± 0.01^b

0.69 ± 0.009^d

Flexibility (cm)

22.7 ± 0.6

19.8 ± 0.6^a

21.4 ± 0.8

21.1 ± 0.6

21.3 ± 0.4

Abdominal (n)

25.4 ± 0.8

33.5 ± 0.7

28.0 ± 0.9

30.1 ± 0.7

29.4 ± 0.6^d

Horizontal jump (cm)

126.5 ± 1.6

147.4 ± 1.5

135.7 ± 1.9

138.2 ± 1.5

136.5 ± 1.3^d

VO _{2 peak} (ml/Kg/min)

40.7 ± 0.3

42.9 ± 0.3

41.6 ± 0.4

42.0 ± 0.3

41.8 ± 0.2^d