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Table 5 Physical characteristics after adjustment for chronological age in adolescent girls

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 = 6) (n = 6) (n = 24) (n = 42) (n = 18)  
Height (cm) 151.0 ± 1.9 154.7 ± 1.9 152.8 ± 0.9 155.8 ± 0.7 155.5 ± 1.1  
Weight (kg) 43.5 ± 2.4 42.2 ± 2.3 43.4 ± 1.2 47.0 ± 0.9 47.7 ± 1.3  
BMI (kg/m2) 19.1 ± 0.9 17.6 ± 0.8 18.5 ± 0.4 19.3 ± 0.3 19.7 ± 0.5  
% Fat (%) 24.4 ± 2.4 21.1 ± 2.3 22.6 ± 1.1 24.9 ± 0.9 26.4 ± 1.3  
LBM (kg) 32.6 ± 1.3 33.2 ± 1.2 33.2 ± 0.6 35.1 ± 0.5 34.9 ± 0.7  
CTHIGH (cm) 44.1 ± 1.5 42.1 ± 1.4 43.8 ± 0.7 45.8 ± 0.5 46.4 ± 0.8  
CLOWER (cm) 32.2 ± 0.9 30.6 ± 0.8 31.8 ± 0.4 33.2 ± 0.3 33.0 ± 0.5 PH2 < PH4
Muscle thickness (cm)       
Anterior thigh 4.6 ± 0.2 3.9 ± 0.2 4.3 ± 0.1 4.5 ± 0.1 4.6 ± 0.1  
Posterior of lower leg 6.0 ± 0.2 5.6 ± 0.2 5.8 ± 0.1 6.0 ± 0.1 6.0 ± 0.1  
Rectus abdominis 1.0 ± 0.1 1.0 ± 0.1 1.0 ± 0.0 1.0 ± 0.0 1.0 ± 0.0  
Muscle thickness per LBM1/3 (cm/kg1/3)       
Anterior of lower leg 1.44 ± 0.05 1.22 ± 0.05 1.35 ± 0.03 1.37 ± 0.02 1.41 ± 0.03  
Posterior of lower leg 1.88 ± 0.05 1.73 ± 0.05 1.81 ± 0.02 1.83 ± 0.02 1.84 ± 0.03  
Rectus abdominis 0.30 ± 0.02 0.32 ± 0.02 0.31 ± 0.01 0.32 ± 0.01 0.31 ± 0.01  
  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.