| Baseline | Week 12 | Within-group mean change over 12 weeksb | Between-group mean change over 12 weeksc | |||
---|---|---|---|---|---|---|---|
Outcome | n | Mean ± SD | n | Mean ± SD | Mean (95% CI) | Mean (95% CI) | P |
Leg press (kg)a | |||||||
 EXE | 12 | 175.9 ± 78.2 | 12 | 288.7 ± 80.1 | 108.8 (74.1, 143.6) | 106.5 (59.8, 153.1) | < 0.01 |
 NoEXE | 19 | 137.7 ± 68.6 | 19 | 130.3 ± 82.4 | −9.2 (−35.0, 16.7) |  |  |
Chest press (kg) a | |||||||
 EXE | 13 | 25.5 ± 10.9 | 13 | 40.9 ± 16.0 | 15.1 (7.3, 23.0) | 11.1 (0.1, 22.0) | 0.048 |
 NoEXE | 18 | 26.1 ± 13.3 | 18 | 26.4 ± 16.3 | 1.8 (−4.6, 8.2) |  |  |
Seated row (kg)a | |||||||
 EXE | 13 | 59.3 ± 12.9 | 13 | 81.9 ± 18.3 | 21.6 (17.4, 25.9) | 20.1 (14.6, 25.7) | < 0.01 |
 NoEXE | 19 | 52.4 ± 13.3 | 19 | 50.4 ± 20.6 | 1.7 (−2.0, 5.4) |  |  |
Leg curl (kg) a | |||||||
 EXE | 13 | 81.4 ± 22.1 | 12 | 108.6 ± 25.4 | 24.5 (19.5, 29.6) | 25.9 (7.7, 44.0) | < 0.01 |
 NoEXE | 18 | 73.6 ± 17.5 | 18 | 68.1 ± 24.5 | 0.2 (−4.4, 4.1) |  |  |
Shoulder press (kg) a | |||||||
 EXE | 13 | 13.5 ± 9.0 | 12 | 27.3 ± 13.1 | 10.9 (6.7, 15.0) | 53.7 (18.6, 88.8) | < 0.01 |
 NoEXE | 18 | 12.1 ± 9.6 | 18 | 12.6 ± 11.1 | 0.7 (−2.5, 4.0) |  |  |
Leg extension (kg) a | |||||||
 EXE | 13 | 110.8 ± 43.6 | 13 | 178.4 ± 42.7 | 56.2 (36.0, 76.4) | 8.4 (2.7, 14.2) | < 0.01 |
 NoEXE | 16 | 90.7 ± 24.4 | 16 | 89.4 ± 41.7 | 0.3 (−17.4, 16.9) |  |  |
400Â m walk (s) | |||||||
 EXE | 11 | 248.5 ± 50.0 | 11 | 227.7 ± 46.7 | −20.9 (−3.5, 45.4) | −32.3 (−74.4, 9.8) | 0.13 |
 NoEXE | 15 | 257.9 ± 60.2 | 15 | 257.6 ± 79.0 | 1.9 (−23.2, 19.4) |  |  |
Timed up and go (s) | |||||||
 EXE | 12 | 5.5 ± 2.3 | 12 | 4.7 ± 1.8 | −0.8 (−1.4, −0.3) | −0.8 (− 1.6, 0.1) | 0.07 |
 NoEXE | 16 | 5.3 ± 1.8 | 16 | 5.6 ± 2.6 | −0.3 (− 0.7, 0.2) |  |  |
Stair climb (s) | |||||||
 EXE | 11 | 2.2 ± 0.7 | 11 | 1.9 ± 0.5 | −0.3 (−0.6, 0.03) | −0.4(−1.0, 0.1) | 0.14 |
 NoEXE | 15 | 2.2 ± 0.8 | 15 | 2.3 ± 1.2 | 0.02 (−0.3, 0.3) |  |  |