Table 1. Values of the variables before and after the intervention.
| Group | Pre-test | Post-test | p | Post-Pre | p | |
|---|---|---|---|---|---|---|
| RA (%) | Intervention | 106.0 ± 4.2 | 113.4 ± 5.1 | ** | 7.3 ± 3.0 | ** |
| Control | 103.7 ± 3.0 | 104.6 ± 3.7 | * | 0.8 ± 1.0 | ||
| EO (%) | Intervention | 101.5 ± 2.7 | 108.5 ± 4.6 | ** | 7.0 ± 2.5 | ** |
| Control | 99.6 ± 1.9 | 101.5 ± 1.6 | ** | 1.0 ± 0.8 | ||
| IO (%) | Intervention | 101.0 ± 2.5 | 106.3 ± 3.8 | ** | 5.3 ± 2.2 | ** |
| Control | 99.4 ± 1.7 | 100.3 ± 1.6 | * | 0.9 ± 1.2 | ||
| FVC (L) | Intervention | 1.67 ± 0.19 | 1.80 ± 0.26 | ** | 0.13 ± 0.86 | ** |
| Control | 1.73 ± 0.19 | 1.70 ± 0.22 | –0.02 ± 0.58 | |||
| MIP (cmH2O) | Intervention | 20.2 ± 3.5 | 22.2 ± 3.4 | ** | 2.0 ± 1.2 | ** |
| Control | 18.4 ± 2.5 | 18.2 ± 2.6 | –0.2 ± 0.5 | |||
| MEP (cmH2O) | Intervention | 23.3 ± 4.1 | 25.9 ± 3.9 | ** | 2.5 ± 1.1 | ** |
| Control | 21.3 ± 2.2 | 20.7 ± 2.4 | ** | –0.6 ± 0.5 | ||
| PEF (L/min) | Intervention | 262.5 ± 20.9 | 285.8 ± 26.0 | ** | 23.3 ± 9.8 | ** |
| Control | 264.6 ± 24.3 | 258.4 ± 24.7 | ** | –6.1 ± 6.5 | ||
All data are presented as mean ± SD. *p<0.05, **p<0.01. EO: external oblique; IO: internal oblique; FVC: forced vital capacity; MEP: maximal expiratory pressure; MIP: maximal inspiratory pressure; PEF: peak expiratory flow; RA: rectus abdominis