Table 3 Plethysmography long note – phase 1 slope (mean ± s.e.m. n = 20)
From: The effect of standing and sitting postures on breathing in brass players
Stand start | Sit flat | Sit slope down | Slope back | Stand end |
|---|---|---|---|---|
20.5 ± 3.3° | 19.2 ± 3.5° | 18.8 ± 3.1° | 19.1 ± 2.9° | 20.1 ± 3.5° |
Probability | Stand end | Sit flat | Sit slope down | Slope back |
Stand start | 0.441 | 0.287 | 0.282 | 0.318 |
Sit flat | 0.255 | - | 0.413 | 0.434 |
Sit slope down | 0.262 | 0.413 | - | 0.457 |
Slope back | 0.291 |