Table 4. Change of peak values during exercise testing for ventilation muscle training.
| IMT group (n=16) | EMT group (n=16) | NC group (n=8) | ANOVA (interaction) | |
|---|---|---|---|---|
| Peak VE (l) | ||||
| Pre | 37.3 ± 6.7 | 43.1 ± 8.9 | 38.9 ± 2.4 | |
| Post | 39.2 ± 5.8 | 44.8 ± 7.0 | 39.5 ± 6.8 | N.S. |
| t test | N.S. | N.S. | N.S. | |
| Peak TV (l) | ||||
| Pre | 1.3 ± 0.2 | 1.4 ± 0.3 | 1.3 ± 0.3 | |
| Post | 1.4 ± 0.1 | 1.5 ± 0.3 | 1.3 ± 0.3 | N.S. |
| t test | N.S. | N.S. | N.S. | |
| Peak RR (breaths/min) | ||||
| Pre | 29.3 ± 4.6 | 31.2 ± 4.5 | 31.0 ± 5.1 | |
| Post | 28.9 ± 4.3 | 30.8 ± 6.0 | 29.8 ± 3.2 | N.S. |
| t test | N.S. | N.S. | N.S. | |
| Peak VO2/kg (ml/kg/min) | ||||
| Pre | 25.5 ± 3.7 | 26.4 ± 4.1 | 25.2 ± 3.4 | |
| Post | 25.9 ± 4.2 | 27.1 ± 3.2 | 24.5 ± 5.6 | N.S. |
| t test | N.S. | N.S. | N.S. | |
| Peak RPE | ||||
| Pre | 6.8 ± 1.9 | 7.6 ± 2.4 | 6.3 ± 2.1 | |
| Post | 6.1 ± 2.3 | 6.7 ± 2.0 | 6.4 ± 2.7 | N.S. |
| t test | N.S. | N.S. | N.S. |
mean ± SD, IMT; inspiratory muscle training, EMT; expiratory muscle training, NC; normal control, VE; minute ventilation, TV; tidal volume, RR; respiratory rate, VO2/kg; oxygen uptake/body weight, RPE; rating of perceived exertion, N.S.; not significant.