Table 2. Change of ventilatiory muscle strength for ventilation muscle training.
| IMT group (n=16) | EMT group (n=16) | NC group (n=8) | ANOVA (interaction) | |
|---|---|---|---|---|
| PImax (cmH2O) | ||||
| Pre | 68.6 ± 19.8 | 75.4 ±18.6 | 76.1 ± 16.0 | |
| Post | 79.7 ± 20.4 | 81.4 ±17.9 | 78.0 ± 19.6 | p<0.01 |
| t test | p<0.01 | N.S. | N.S. | |
| PEmax (cmH2O) | ||||
| Pre | 68.6 ± 21.2 | 76.6 ± 18.6 | 72.8 ± 15.6 | |
| Post | 73.6 ± 22.2 | 84.5 ± 22.1 | 76.9 ± 11.4 | N.S. |
| t test | p<0.05 | p<0.05 | N.S. |
mean ± SD, IMT; inspiratory muscle training, EMT; expiratory muscle training, NC; normal control, PImax; maximal inspiratory muscle strength, PEmax; maximal expiratory muscle strength, N.S.; not significant.