Table 2 Physiological and perceptual responses during cycling endurance test pre and post respiratory muscle endurance training (RMET), inspiratory muscle resistive training (IMT) and SHAM training.
RMET | IMT | SHAM | |
|---|---|---|---|
Mean values | |||
\({\dot{\text{V}}}\)E (l∙min−1) | |||
Pre | 139.0 (28.7) | 148.9 (23.4) | 140.0 (22.5) |
Post | 138.7 (30.4)† | 142.6 (25.0)† | 135.3 (24.5)† |
VT (l) | |||
Pre | 3.0 (0.5) | 3.1 (0.8) | 2.8 (0.7) |
Post | 3.4 (0.5)††† | 3.3 (1.0)††† | 3.1 (0.7)††† |
fB (breaths min−1) | |||
Pre | 47 (8) | 51 (17) | 54 (17) |
Post | 41 (9)††† | 48 (18)††† | 46 (14)††† |
\({\dot{\text{V}}}\)O2 (ml∙min−1) | |||
Pre | 3520 (622) | 3538 (577) | 3290 (509) |
Post | 3654 (543)† | 3558 (678)† | 3351 (497)† |
\({\dot{\text{V}}}\)CO2 (ml∙min−1) | |||
Pre | 3481 (590) | 3688 (507) | 3381 (511) |
Post | 3668 (565)† | 3660 (672)*† | 3415 (466)† |
PETCO2 (mmHg) | |||
Pre | 30.4 (2.2) | 30.3 (4.6) | 28.8 (2.9) |
Post | 31.8 (2.3)††† | 31.5 (5.0)††† | 30.4 (2.9)††† |
HR (bpm) | |||
Pre | 167 (10) | 167 (12) | 172 (9) |
Post | 169 (10) | 166 (12) | 170 (9) |
Blood Lactate Concentration (mmol∙l−1) | |||
Pre | 8.9 (1.9) | 10.5 (1.5) | 9.9 (1.8) |
Post | 9.0 (2.3) | 9.7 (1.9) | 9.8 (1.8) |
Breathlessness (points) | |||
Pre | 1.4 (2.4) | 0.5 (0.6) | 2.0 (1.9) |
Post | 0.4 (0.7) | 0.6 (0.9) | 1.9 (2.4) |
Resp. Exertion (points) | |||
Pre | 4.9 (2.0) | 5.0 (2.3) | 6.7 (1.8) |
Post | 3.7 (1.6) † | 4.1 (2.2) † | 5.7 (2.0) † |
Leg Exertion (points) | |||
Pre | 5.9 (1.2) | 5.9 (2.0) | 6.2 (2.1) |
Post | 5.8 (1.7) | 5.7 (2.4) | 6.2 (1.0) |
End Part 1 (isotime) | |||
HR (bpm) | |||
Pre | 178 (9) | 178 (12) | 183 (9) |
Post | 179 (9) | 176 (12) | 181 (9) |
Blood Lactate Concentration (mmol∙l−1) | |||
Pre | 11.0 (2.6) | 12.8 (2.3) | 12.0 (2.1) |
Post | 10.9 (2.8) | 12.0 (2.4) | 11.9 (2.2) |
Breathlessness (points) | |||
Pre | 2.5 (3.8) | 1.7 (3.0) | 5.1 (3.8) |
Post | 1.1 (1.9) | 1.1 (1.7) | 3.0 (3.5) |
Respiratory Exertion (points) | |||
Pre | 8.1 (2.0) | 7.7 (2.8) | 9.0 (1.6) |
Post | 6.6 (2.4)† | 6.2 (3.2)† | 8.4 (2.5)† |
Leg Exertion (points) | |||
Pre | 9.6 (0.6) | 8.6 (1.7) | 8.6 (1.7) |
Post | 8.3 (1.3)† | 8.1 (2.2)† | 7.6 (2.3)† |