Table 2 Tidal volume, respiratory rate and muscle activity for each respiratory maneuver and sitting posture (mean ± SD)
Parameters | QB | PLB | ||||
|---|---|---|---|---|---|---|
NP | WAS | WAHS | NP | WAS | WAHS | |
TV (ℓ) | 0.7 ± 0.2 | 0.8 ± 0.2 | 0.8 ± 0.3 | 1.3 ± 0.1 | 1.3 ± 0.2 | 1.3 ± 0.2 |
RR (f/min) | 18.1 ± 3.0 | 16.7 ± 3.4 | 16.5 ± 2.1 | 12.0 ± 0.6 | 12.0 ± 1.1 | 12.0 ± 0.9 |
SM (%RVC) | 100.0 ± .0 | 104.4 ± 35.1 | 123.4 ± 25.2 | 118.4 ± 17.7 | 134.6 ± 31.2 | 150.1 ± 45.3 |
SCM (%RVC) | 100.0 ± .0 | 113.1 ± 12.4 | 115.6 ± 13.7 | 115.8 ± 17.0 | 122.9 ± 24.0 | 131.0 ± 24.0 |
PM (%RVC) | 100.0 ± .0 | 204.0 ± 89.0 | 161.2 ± 78.1 | 113.6 ± 20.5 | 271.1 ± 214.6 | 167.0 ± 69.2 |