Table 3.
Comparison of cardio-respiratory function during maximal exercise tolerance test between AIS girls and healthy controls: effect of an exercise training protocol
| AIS group (n = 6) | Healthy group (n = 6) | ANOVA | Effect of condition (p value) | Effect of training (p value) | Interaction training × condition | |||
|---|---|---|---|---|---|---|---|---|
| Before | After | Before | After | |||||
| Spirometry at rest | ||||||||
| Forced vital capacity (FVC) (L) | 3.5 ± 0.4 | 3.5 ± 0.4 | 3.7 ± 0.7 | 3.5 ± 0.7 | ||||
| Forced expiratory volume (FEV1) (L) | 2.9 ± 0.4 | 3.0 ± 0.4 | 2.6 ± 0.7 | 2.9 ± 0.6 | ||||
| FEV1/FVC (%) | 85.3 ± 4.4 | 83.6 ± 5.2 | 84.2 ± 4.3 | 83.3 ± 7.4 | <0.05 | NS | NS | <0.05 |
| Maximal exercise test | ||||||||
| Maximum oxygen uptake (VO2max) (L/min) | 1.8 ± 0.3 | 2.1 ± 0.3 | 2.0 ± 0.3 | 2.2 ± 0.3 | <0.05 | <0.05 | <0.05 | NS |
| Maximum oxygen uptake (mL/kg/min) | 35.9 ± 4.9 | 40.1 ± 3.1 | 37.3 ± 3.1 | 40.2 ± 2.2 | <0.05 | <0.05 | <0.05 | NS |
| METS | 10.3 ± 1.4 | 11.2 ± 1.7 | 9.5 ± 1.6 | 10.8 ± 1.1 | <0.05 | NS | <0.05 | NS |
| Breath frequency (BF) | 53.2 ± 6.7 | 49.1 ± 10.3 | 47.2 ± 8.3 | 46.0 ± 6.3 | <0.05 | <0.05 | NS | <0.05 |
| Respiratory ratio (R), VO2/VCO2 | 1.0 ± 0.1 | 1.1 ± 0.1 | 1.1 ± 0.1 | 1.0 ± 0.1 | <0.05 | NS | NS | <0.05 |
| Heart rate at maximal exercise (bpm) | 186.6 ± 11.5 | 187.6 ± 9.4 | 192.0 ± 7.3 | 191.0 ± 6.7 | ||||
| Heart rate at AT (bpm) | 149.5 ± 4.3 | 146.5 ± 4.5 | 154.6 ± 8.1 | 150.8 ± 8.6 | <0.05 | <0.05 | <0.05 | NS |
| Maximal power output (W/kg) | 2.7 ± 0.5 | 2.9 ± 0.3 | 2.9 ± 0.1 | 3.0 ± 0.7 | <0.05 | <0.05 | NS | <0.05 |
| Power at AT (W/kg) | 1.7 ± 0.4 | 1.9 ± 0.2 | 1.8 ± 0.5 | 2.0 ± 0.6 | <0.05 | NS | <0.05 | NS |
The values are presented as mean ± SD
AT anaerobic threshold, NS not significant