Table 1.
Participant characterization, pulmonary function, and maximal incremental exercise data
| Value | |
|---|---|
| Age, yr | 25 ± 5 |
| Anthropometrics | |
| Height, cm | 182 ± 8 |
| Body mass, kg | 74.5 ± 5.8 |
| BMI, kg/m2 | 22.4 ± 0.8 |
| Pulmonary function | |
| FVC, liters | 5.8 ± 0.5 |
| FVC, % predicted | 105.9 ± 10.9 |
| FEV1, liters | 4.8 ± 0.4 |
| FEV1, % predicted | 104.6 ± 5.8 |
| FEV1/FVC, % | 83.3 ± 5.4 |
| FEV1/FVC, % predicted | 100.1 ± 6.9 |
| FEF25–75, l/s | 4.7 ± 0.8 |
| FEF25–75, % predicted | 91.9 ± 15.6 |
| PEF, l/s | 11.6 ± 0.8 |
| PEF, % predicted | 111.6 ± 12.3 |
| Maximal incremental exercise | |
| HR, beats/min | 188 ± 11 |
| V̇o2, ml·min–1·kg–1 | 58.8 ± 9.5 |
| V̇o2, l/min | 4.4 ± 0.5 |
| V̇co2, l/min | 5.2 ± 0.6 |
| RER | 1.20 ± 0.04 |
| V̇e, l/min | 178.6 ± 25.4 |
| fb, breaths/min | 57 ± 11 |
| Workload, W | 373.9 ± 45.1 |
| V̇o2/workload, ml·min–1·W—1 | 10.5 ± 0.9 |
Values are means ± SD; n = 8. BMI, body mass index; FVC, forced vital capacity; FEV1, forced expiratory volume in 1 s; FEF25–75, forced expiratory flow in 25–75% of pulmonary volume; PEF, peak expiratory flow; HR, heart rate; V̇o2, oxygen consumption; V̇co2, carbon dioxide production; RER, respiratory exchange ratio; V̇e, minute ventilation; fb, breathing frequency.