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Table 3 Physical characteristics after adjustment for chronological age in adolescent boys

From: Influence of maturation on anthropometry and body composition in Japanese junior high school students

 

PH1

PH2

PH3

PH4

PH5

Post hoc test (P < 0.05)

 

(n = 11)

(n = 35)

(n = 19)

(n = 24)

(n = 25)

 

Height (cm)

148.4 ± 1.9

151.7 ± 1.0

157.2 ± 1.4

162.0 ± 1.3

164.8 ± 1.2

PH1, PH2 < PH3-5

PH3 < PH5

Weight (kg)

41.6 ± 2.3

41.6 ± 1.3

48.3 ± 1.7

51.5 ± 1.5

54.3 ± 1.5

PH1, PH2 < PH4, PH5

PH2 < PH3

PH2 < PH5

BMI (kg/m2)

18.6 ± 0.8

18.0 ± 0.4

19.5 ± 0.6

19.6 ± 0.5

20.0 ± 0.5

 

% Fat (%)

15.4 ± 2.4

13.7 ± 0.6

17.7 ± 1.8

17.2 ± 1.6

18.6 ± 1.6

 

LBM (kg)

34.7 ± 1.2

35.7 ± 0.6

39.1 ± 0.9

42.1 ± 0.8

44.0 ± 0.8

PH1, PH2 < PH3-5

PH3 < PH5

PH2 < PH4, PH5

CTHIGH (cm)

43.3 ± 1.2

42.4 ± 0.7

45.4 ± 0.9

46.7 ± 0.8

47.4 ± 0.8

 

CLOWER (cm)

32.1 ± 0.8

31.6 ± 0.4

33.8 ± 0.6

34.4 ± 0.5

34.8 ± 0.5

PH1 < PH5

PH2 < PH3-5

Muscle thickness (cm)

      

Anterior thigh

4.3 ± 0.2

4.2 ± 0.1

4.5 ± 0.1

4.8 ± 0.1

4.7 ± 0.1

PH2 < PH4, PH5

Posterior of lower leg

6.0 ± 0.1

5.8 ± 0.1

6.4 ± 0.1

6.4 ± 0.1

6.5 ± 0.1

PH1, PH2 < PH5

PH2 < PH3, PH4

Rectus abdominis

1.1 ± 0.1

1.0 ± 0.0

1.1 ± 0.0

1.2 ± 0.0

1.3 ± 0.0

PH1-3 < PH5

PH2 < PH4

Muscle thickness per LBM1/3 (cm/kg1/3)

      

Anterior of lower leg

1.31 ± 0.04

1.27 ± 0.02

1.32 ± 0.03

1.37 ± 0.03

1.32 ± 0.03

 

Posterior of lower leg

1.51 ± 0.05

1.41 ± 0.03

1.48 ± 0.04

1.48 ± 0.03

1.49 ± 0.03

 

Rectus abdominis

0.32 ± 0.01

0.29 ± 0.01

0.32 ± 0.01

0.33 ± 0.01

0.35 ± 0.01

PH2 < PH4, PH5

  1. Values are expressed as adjusted mean ± standard error. BMI, body mass index; % Fat, percent body fat; LBM, lean body mass; CTHIGH, circumference of thigh; CLOWER, circumference of lower leg; PH, stage of pubic hair development.