Table 3.
Body composition and physical performance measures at baseline (pre) and after 12 weeks resistance training (post).
| pre | post | Δ post vs. pre | p | |
|---|---|---|---|---|
| Body composition | ||||
| Weight (kg) | 78.4 ± 14.7 | 77.0 ± 14.6 | -1.4 ± 1.6 | 0.002∗ |
| BMI (kg/m2) | 28.0 ± 4.6 | 27.9 ± 4.6 | -0.1 ± 0.6 | 0.158 |
| Body fat (%) | 34.6 ± 9.2 | 33.9 ± 9.8 | -0.7 ± 1.7 | 0.079 |
| FM (kg) | 27.3 ± 10.5 | 26.6 ± 10.9 | -0.7 ± 1.7 | 0.070 |
| FFM (kg) | 50.3 ± 10.3 | 50.4 ± 10.2 | 0.1 ± 1.1 | 0.807 |
| TBW (kg) | 36.8 ± 7.5 | 36.9 ± 7.5 | 0.1 ± 0.8 | 0.794 |
| Visceral fat rating | 9 | 9 | 0 ± 0 | 0.564 |
| Physical performance | ||||
| CMJ (cm) | 18.6 ± 6.9 | 22.9 ± 7.8 | 4.3 ± 4.9 | 0.001∗ |
| Grip strength (kg) (right) | 28.9 ± 9.9 | 31.6 ± 8.7 | 2.7 ± 4.2 | 0.012∗ |
| Grip strength (kg) (left) | 27.3 ± 9.8 | 29.2 ± 7.7 | 1.9 ± 4.5 | 0.097 |
| Isometric leg strength (kg) | 83.3 ± 38.5 | 93.4 ± 36.0 | 10.1 ± 16.5 | 0.009∗ |
| Sit-to-stand test (s) | 24 ± 6 | 19 ± 4 | 5 ± 5 | <0.001∗ |
Data are means ± SD; BMI, body mass index. FM, fat mass. FFM, fat free mass. TBW, total body water. CMJ, countermovement jump. ∗Statistical significance defined as p-values <0.05, Wilcoxon signed-rank test, and expressed to three decimal places.