TABLE 2.
Strength test and body-composition results after 12 wk of resistance exercise training in older adults.1
Pretraining | Posttraining | Change, % | |
---|---|---|---|
Biodex strength test, Nm | |||
Isokinetic peak torque (extension) | 91.7 ± 3.0 | 105.0 ± 2.9* | 15.9 ± 2.4 |
Isokinetic peak torque (flexion) | 55.9 ± 2.2 | 70.6 ± 3.1* | 27.2 ± 6.8 |
Isometric peak torque (extension) | 139.8 ± 4.0 | 159.7 ± 4.0* | 13.8 ± 3.0 |
Isometric peak torque (flexion) | 79.8 ± 2.6 | 88.9 ± 2.9* | 11.8 ± 3.8 |
1-RM strength test, kg | |||
Dumbbell chest press | 13.8 ± 1.4 | 21.0 ± 2.6* | 56.7 ± 10.3 |
Lateral pulldown | 34.0 ± 2.9 | 46.3 ± 3.0* | 40.1 ± 7.4 |
Leg press | 147.9 ± 9.9 | 211.0 ± 17.0* | 65.0 ± 9.3 |
Body composition (DXA), kg | |||
Total lean mass | 47.1 ± 2.2 | 47.9 ± 2.3* | 1.7 ± 0.6 |
Total fat mass | 29.2 ± 1.8 | 28.6 ± 1.7 | −1.5 ± 1.4 |
Leg lean mass | 16.2 ± 0.8 | 16.5 ± 0.9* | 2.0 ± 0.8 |
1Values are means ± SEs, n = 19. *Different from pretraining, P < 0.05. Post, posttraining; pre, pretraining; 1-RM, 1-repetition maximum.