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Table 1 Subject characteristics

From: Muscle function and fatigability of trunk flexors in males and females

   Females (n = 18) Males (n = 15)
Age Years 24.3 ± 4.8 24.1 ± 6.6
Weight kg 65.2 ± 12.6 73.1 ± 8.8*
Height cm 166.6 ± 8.4 176.8 ± 7.6*
Body mass index kg m−2 23.3 ± 3.5 23.1 ± 2.3
Body fat % 32.5 ± 5.1 18.6 ± 5.7*
Lean mass in trunk kg 20.0 ± 3.6 27.0 ± 3.2*
Trunk lean mass/height kg/cm 0.12 ± 0.02 0.15 ± 0.02*
Self-reported physical activity over the preceding 12 months (data from 16 females and 14 males) Met h week−1 44.7 ± 27.4 60.1 ± 39.9
Rectus abdominis muscle thickness (above umbilicus) cm 1.0 ± 0.18 1.4 ± 0.36*
Rectus abdominis muscle thickness (below umbilicus) cm 0.97 ± 0.13 1.3 ± 0.35*
  1. kg kilograms, cm centimeters, m meters, MET metabolic equivalents
  2. *p ≤ 0.05