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Table 3 Training variables, fatt mass and body mass given as mean and standard deviation (SD) N = 49

From: Changes in health-related quality of life in elderly men after 12 weeks of strength training

Variables Mean (±SD) before Mean (±SD) after Effect size
Body mass (kg) 82.8 (12.9) 83.5 (13.1)a 0.05
Fat mass (%) 26.8 (6.9) 26.0 (6.5)a 0.11
Total lean mass (kg) 82.8 (12.6) 84.4 (6.4)a 0.12
Lean mass in legs (kg) 19.0 (2.4) 19.5 (2.4)a 0.21
Lean mass in trunk (kg) 27.7 (3.3) 28.3 (3.3)a 0.18
Lean mass in arms (kg) 6.9 (0.9) 7.4 (0.9)a 0.56
1RM in leg extension (kg) 84.5 (15.9) 99.3 (19.4)a 0.93
1RM in scott curl (kg) 10.5 (2.0) 12.3 (2.2)a 0.90
1RM in leg press (kg) 310.8 (63.9) 365.0 (81.3)a 0.84
  1. 1RM One-repetition maximum
  2. Paired-sample t-test
  3. Lean mass was assessed using dual-energy x-ray absorptiometry
  4. a,bIndicate significant changes between baseline and 12-week follow-up; asignificant at 0.01 level