Variable SCI Control Total FFM (kg) 51.4 ± 1.9 60.0 ± 1.0† Trunk FFM (kg) 25.9 ± 0.9 27.0 ± 0.5 Leg FFM (kg) 14.6 ± 0.8 21.6 ± 0.5* Arm FFM (kg) 7.2 ± 0.4 7.6 ± 0.2 Total FM (kg) 21.6 ± 2.4 13.9 ± 1.3† Trunk FM (kg) 11.2 ± 1.3 7.1 ± 0.8* Leg FM (kg) 7.0 ± 0.8 4.9 ± 0.4* Arm fat (kg) 2.2 ± 0.3 1.3 ± 0.2† Body fat (%) 27.5 ± 2.3 17.8 ± 1.5† Total BMD (g/cm2) 1.12 ± 0.02 1.27 ± 0.02† Osteocalcin (μg/l) 27.6 ± 2.6 31.4 ± 2.8 Leptin (mg/l) 6.1 ± 1.1 2.7 ± 0.4† Adiponectin (mg/l) 11.9 ± 1.2 9.6 ± 1.0 Fasting glucose (mg/dl) 93.7 ± 1.8 99.1 ± 1.8 Fasting insulin (μIU/ml) 8.1 ± 1.0 7.2 ± 0.7 IGF-1 (mg/l) 180.0 ± 16.6 182.2 ± 9.8

Table 2: Body composition and blood values for spinal cord injured (SCI) and control participants. Data are mean ± SEM. FFM=lean tissue mass; FM=fat mass; BMD=bone mineral density; IGF-1=insulin-like growth factor-1. *significant difference between groups at p<0.05; †significant difference between groups at p<0.01. Conversion factors: osteocalcin, μg/l*0.171=nmol/l; leptin, μg/ l*0.0625=nmol/l; glucose, mg/dl*0.0555=mmol/l; insulin, μIU/ ml*6.945=pmol/l; IGF-1, μg/l*0.13=nmol/l; conversion factor not available for adiponectin.