Pre-IMT n=28 | Post-IMT n=28 | P value | |
PEF % predicted | 105.6 (13.6) | 108.0 (13.0) | 0.020 |
FVC % predicted | 111.9 (11.4) | 112.2 (12.1) | 0.685 |
FEV1 % predicted | 113.8 (11.0) | 113.3 (10.5) | 0.636 |
FEV1/FIV1 | 0.98 (0.1) | 0.97 (0.1) | 0.432 |
FEF50/FIF50 | 0.98 (0.2) | 0.90 (0.2) | 0.017 |
Distance on treadmill (m) | 778.2 (159.8) | 800.5 (174.7) | 0.136 |
Time on treadmill (min) | 10.9 (1.28) | 11.0 (1.36) | 0.248 |
Heart rate max (bpm) | 187 (10) | 187 (8) | 0.853 |
VO2 peak (mL/min) | 3143 (654) | 3135 (644) | 0.856 |
VO2 peak (mL/min/kg) | 51.6 (9.2) | 51.1 (8.9) | 0.415 |
VE (L/min) | 105.1 (26.0) | 109.6 (24.2) | 0.036 |
Breathing reserve (%) | 17.5 (13.0) | 14.2 (11.6) | 0.057 |
Breathing rate (breaths/min) | 50 (9) | 48 (7) | 0.224 |
Vt (L/breath) | 2.14 (0.50) | 2.31 (0.51) | 0.003 |
EIIS, exercise-induced inspiratory symptom; EILO, exercise-induced laryngeal obstruction; FEF50, forced expiratory flow at 50%; FEV1, forced expiratory volume in first second; FIF50, forced inspiratory flow at 50%; FIV1, forced inspiratory volume in first second; IMT, inspiratory muscle training; PEF, peak expiratory flow; VE, Minute ventilation; VO2 peak, peak oxygen uptake; Vt, Tidal volume.