Table 4 Anthropometric and physical fitness parameters based on body fat categories

N (%)

164 (84.1%)

31 (15.9%)

130 (81.8%)

29 (18.2%)

Age (years)

14.6 ± 0.4

14.6 ± 0.4

0.728

14.5 ± 0.4

14.6 ± 0.4

0.121

Height (m)

1.70 ± 0.08

1.71 ± 0.06

0.700

1.62 ± 0.05

1.65 ± 0.06 ^*

0.017

Body mass (kg)

59.0 ± 10.0

83.5 ± 13.2 ^***

< 0.001

52.9 ± 6.7

74.1 ± 12.6 ^***

< 0.001

Body mass index (kg^·m⁻²)

20.3 ± 2.8

28.5 ± 3.3 ^***

< 0.001

20.1 ± 2.3

27.2 ± 4.3 ^***

< 0.001

Waist circumference (cm)

73.0 ± 6.4

92.9 ± 8.6 ^***

< 0.001

68.3 ± 5.8

83.2 ± 7.8 ^***

< 0.001

Skinfold sum (mm)

32.8 ± 10.9

96.2 ± 27.2 ^***

< 0.001

45.0 ± 11.2

96.1 ± 23.8 ^***

< 0.001

Body fat (%)

15.8 ± 3.9

30.0 ± 3.6 ^***

< 0.001

24.2 ± 3.2

33.8 ± 3.0 ^***

< 0.001

Grip strength (kg)

34.6 ± 7.5

38.8 ± 7.6 ^**

0.005

25.5 ± 4.2

27.8 ± 4.8 ^**

0.010

Relative grip strength (kg^·kg^·BM⁻¹)

0.59 ± 0.09

0.47 ± 0.08 ^***

< 0.001

0.48 ± 0.07

0.38 ± 0.08 ^***

< 0.001

Standing long jump (cm)

178.2 ± 22.3

149.2 ± 19.0 ^***

< 0.001

133.4 ± 19.8

116.5 ± 14.0 ^***

< 0.001

CMJ (cm)

38.9 ± 5.3

33.5 ± 5.5 ^***

< 0.001

30.3 ± 4.9

25.5 ± 4.0 ^***

< 0.001

10 m sprint (s)

2.10 ± 0.14

2.23 ± 0.15 ^***

< 0.001

2.41 ± 0.17

2.47 ± 0.19

0.080

20 m sprint (s)

3.62 ± 0.25

3.88 ± 0.28 ^***

< 0.001

4.27 ± 0.30

4.50 ± 0.33 ^***

< 0.001

MSFT (levels)

6.8 ± 1.8

4.4 ± 1.4 ^***

< 0.001

3.7 ± 1.1

2.9 ± 0.7 ^***

< 0.001

MSFT (m)

999 ± 371

553 ± 244 ^***

< 0.001

436 ± 181

294 ± 116 ^***

< 0.001

VO_2max (ml·kg⁻¹·min⁻¹)

45.7 ± 5.0

39.2 ± 3.8 ^***

< 0.001

37.6 ± 2.9

35.4 ± 2.1 ^***

< 0.001

Sit and reach (cm)

21.0 ± 6.8

21.6 ± 8.0

0.666

26.3 ± 6.5

27.3 ± 6.2

0.426