Table 2.
Muscle strength at baseline, 6 and 12 months.
| Baseline | 6 months | 12 months | 0–6 monthsd | 7–12 monthse | 0–12 monthsf | ||||
|---|---|---|---|---|---|---|---|---|---|
| Adj. Diff. | P valuec | Adj. Diff. | P valuec | Adj. Diff. | P valuec | ||||
| Chest press (kg)a | |||||||||
| IMX | 43.4 ± 12.8 | 44.7 ± 12.5 | 46.3 ± 12.1 | 4.3 (2.7, 5.8) | <0.001 | −5.2 (−7.1, −3.3) | <0.001 | −1.5 (−3.9, 1.0) | 0.160 |
| DEL | 46.0 ± 16.3 | 42.8 ± 14.7 | 49.8 ± 13.9 | ||||||
| Leg press (kg)a | |||||||||
| IMX | 119.0 ± 49.9 | 138.8 ± 51.6 | 142.8 ± 55.4 | 19.9 (12.3, 27.5) | <0.001 | −18.7 (−25.0, −12.5) | <0.001 | 1.7 (−8.0, 11.4) | 0.937 |
| DEL | 119.6 ± 48.4 | 119.5 ± 48.0 | 141.7 ± 51.4 | ||||||
| Seated row (kg)b | |||||||||
| IMX | 73.9 ± 16.1 | 76.4 ± 15.2 | 77.3 ± 15.8 | 5.6 (3.8, 7.4) | <0.001 | −5.9 (−7.7, −4.1) | <0.001 | 0.0 (−2.3, 2.4) | 0.971 |
| DEL | 75.6 ± 16.6 | 72.5 ± 14.2 | 78.8 ± 16.7 | ||||||
Values are the mean ± SD.
IMX immediate exercise, DEL delayed exercise, Adj. Diff. ANCOVA adjusted mean difference and 95% CI.
aIMX n = 53, DEL n = 48.
bIMX n = 53, DEL n = 49.
cP value based on log transformed data for chest press and leg press.
d6 months adjusted for baseline value.
e12 months adjusted for 6-month value.
f12 months adjusted for baseline value.