Table 2.
Exercise-to-exhaustion | ||||||
---|---|---|---|---|---|---|
Baseline | Warmup | 1 min | 3 min | End | Recovery | |
Control Group (n=9) | ||||||
| ||||||
VO2, L·min−1 | ||||||
Control trial | 0.42 ± 0.1 | 2.7 ± 0.6 | 3.1 ± 0.6 | 3.3 ± 0.6 | 3.6 ± 0.9 | 0.67 ± 0.2 |
BD trial | 0.40 ± 0.1 | 2.6 ± 0.5 | 3.0 ± 0.6 | 3.2 ± 0.6 | 3.4 ± 0.7 | 0.65 ± 0.2 |
SHAM trial | 0.40 ± 0.1 | 2.6 ± 0.4 | 3.0 ± 0.7 | 3.2 ± 0.7 | 3.5 ± 0.9 | 0.63 ± 0.2 |
BC trial | 0.40 ± 0.1 | 2.6 ± 0.5 | 3.0 ± 0.7 | 3.2 ± 0.7 | 3.6 ± 0.9 | 0.77 ± 0.3 |
Ve/VO2 | ||||||
Control trial | 35.0 ± 16.3 | 24.9 ± 4.8 | 26.1 ± 5.8 | 29.5 ± 6.4 | 34.1 ± 7.7 | 47.3 ± 14.9 |
BD trial | 36.5 ± 10.0 | 25.2 ± 4.4 | 26.7 ± 4.2 | 29.3 ± 4.9 | 34.3 ± 6.0 | 45.9 ± 8.4 |
SHAM trial | 36.3 ± 9.4 | 25.3 ± 4.6 | 26.8 ± 5.0 | 29.3 ± 5.0 | 34.5 ± 5.5 | 47.3 ± 8.5 |
BC trial | 39.6 ± 11.1 | 25.3 ± 3.3 | 27.2 ± 4.3 | 29.9 ± 4.4 | 34.5 ± 5.5 | 45.6 ± 5.5 |
HR, BPM | ||||||
Control trial | 71.7 ± 9 | 140.2 ± 14 | 156.9 ± 12 | 167.7 ± 11 | 177.0 ± 8 | 113.1 ± 9 |
BD trial | 80.4 ± 13 | 144.0 ± 12 | 158.7 ± 12 | 169.1 ± 8 | 177.6 ± 8 | 113.0 ± 11 |
SHAM trial | 73.8 ± 7 | 144.1 ± 12 | 158.8 ± 12 | 168.6 ± 11 | 178.1 ± 12 | 113.7 ± 17 |
BC trial | 72.0 ± 6 | 139.8 ± 11 | 157.4 ± 9 | 167.8 ± 9 | 177.4 ± 11 | 111.2 ± 13 |
RPE, Breath | ||||||
Control trial | 0.28 ± 0.44 | 1.39 ± 1.02 | 2.78 ± 1.09 | 4.78 ± 1.20 | 7.44 ± 1.59 | 3.33 ± 1.98 |
BD trial | 0.17 ± 0.35 | 1.17 ± 0.71 | 2.50 ± 1.00 | 4.89 ± 1.27 | 7.67 ± 1.94 | 3.78 ± 1.92 |
SHAM trial | 0.33 ± 0.71 | 1.56 ± 0.98 | 3.22 ± 0.83 | 5.00 ± 1.12 | 8.33 ± 1.73 | 4.22 ± 2.22 |
BC trial | 0.22 ± 0.44 | 1.33 ± 0.97 | 3.44 ± 1.01 | 4.89 ± 1.83 | 8.22 ± 1.39 | 3.33 ± 1.66 |
RPE, Legs | ||||||
Control trial | 0.17 ± 0.25 | 2.17 ± 1.52 | 4.44 ± 1.67 | 6.00 ± 1.22 | 9.44 ± 0.73 | 5.28 ± 2.41 |
BD trial | 0.17 ± 0.25 | 2.39 ± 2.00 | 3.78 ± 1.92 | 6.06 ± 1.51 | 8.89 ± 1.05 | 5.00 ± 2.12 |
SHAM trial | 0.17 ± 0.35 | 2.22 ± 1.37 | 4.11 ± 1.45 | 6.11 ± 1.17 | 9.22 ± 1.09 | 5.33 ± 2.65 |
BC trial | 0.06 ± 0.17 | 2.56 ± 1.51 | 4.56 ± 0.88 | 6.44 ± 1.33 | 9.22 ± 1.30 | 5.00 ± 2.00 |
| ||||||
Asthma Group (n=8) | ||||||
| ||||||
VO2, L·min−1 | ||||||
Control trial | 0.40 ± 0.1 | 2.6 ± 0.4 | 2.8 ± 0.6 | 3.1 ± 0.6 | 3.3 ± 0.7 | 0.71 ± 0.2 |
BD trial | 0.50 ± 0.2 | 2.7 ± 0.4 | 2.8 ± 0.5 | 3.1 ± 0.7 | 3.4 ± 0.6 | 0.81 ± 0.2 |
SHAM trial | 0.50 ± 0.2 | 2.5 ± 0.6 | 2.7 ± 0.6 | 3.0 ± 0.7 | 3.3 ± 0.8 | 0.69 ± 0.2 |
BC trial | 0.40 ± 0.1 | 2.5 ± 0.5 | 2.8 ± 0.5 | 3.1 ± 0.7 | 3.2 ± 0.7 | 0.69 ± 0.2 |
Ve/VO2 | ||||||
Control trial | 39.4 ± 7.8 | 28.2 ± 3.3 | 30.9 ± 3.5 | 35.0 ± 5.6 | 37.6 ± 7.6 | 48.7 ± 5.0 |
BD trial | 35.0 ± 10.1 | 27.7 ± 4.5 | 30.5 ± 6.1 | 33.1 ± 7.2 | 36.0 ± 6.6 | 42.5 ± 9.2 |
SHAM trial | 36.1 ± 12.2 | 28.5 ± 4.0 | 31.9 ± 5.2 | 32.7 ± 4.2 | 38.4 ± 7.1 | 50.0 ± 4.3 |
BC trial | 37.2 ± 8.0 | 29.2 ± 3.1 | 31.4 ± 3.5 | 33.4 ± 4.9 | 36.8 ± 6.3 | 46.7 ± 6.2 |
HR, BPM | ||||||
Control trial | 74.0 ± 13 | 136.5 ± 14 | 151.8 ± 11 | 165.0 ± 13 | 173.3 ± 12 | 110.8 ± 17 |
BD trial | 81.1 ± 16 | 142.1 ± 15 | 156.9 ± 13 | 167.1 ± 13 | 173.6 ± 13 | 117.3 ± 18 |
SHAM trial | 72.3 ± 9 | 139.4 ± 16 | 154.9 ± 14 | 165.9 ± 14 | 172.3 ± 13 | 112.8 ± 19 |
BC trial | 75.3 ± 13 | 139.6 ± 14 | 154.4 ± 13 | 164.7 ± 13 | 168.4 ± 13 | 114.1 ± 28 |
RPE, Breath | ||||||
Control trial | 0.25 ± 0.27 | 1.50 ± 1.28 | 3.00 ± 1.85 | 5.13 ± 2.46 | 7.88 ± 1.96 | 3.31 ± 2.69 |
BD trial | 0.19 ± 0.26 | 2.50 ± 1.41 | 4.13 ± 2.10 | 5.57 ± 2.70 | 7.81 ± 3.21 | 3.19 ± 2.00 |
SHAM trial | 0.31 ± 0.70 | 2.19 ± 1.13a | 3.56 ± 1.45 | 5.50 ± 1.93 | 7.63 ± 2.13 | 3.00 ± 1.77 |
BC trial | 0.69 ± 1.36 | 2.13 ± 1.55 | 4.00 ± 2.14 | 5.38 ± 2.67 | 7.31 ± 3.08 | 3.88 ± 3.04 |
RPE, Legs | ||||||
Control trial | 0.19 ± 0.26 | 2.19 ± 1.46 | 3.88 ± 1.64 | 6.50 ± 2.00 | 8.63 ± 1.51 | 3.14 ± 2.12 |
BD trial | 0.13 ± 0.23 | 2.88 ± 1.73 | 4.81 ± 2.10 | 6.31 ± 2.22 | 8.13 ± 1.64 | 2.71 ± 2.48 |
SHAM trial | 0.13 ± 0.23 | 2.94 ± 1.43 | 4.25 ± 1.58 | 6.25 ± 1.89 | 8.00 ± 2.27 | 2.75 ± 1.16 |
BC trial | 0.13 ± 0.23 | 2.50 ± 1.77 | 4.56 ± 2.38 | 5.69 ± 2.52 | 8.38 ± 1.69 | 3.50 ± 1.93 |
VO2, oxygen consumption; Ve/VO2, ventilatory equivalent for oxygen consumption; RPE, rating of perceived exertion. a, p<0.05 vs. control trial