From: The effect of standing and sitting postures on breathing in brass players
External obl. Sit slope down | External obl. Sit flat | Rectus abd. Sit slope down | Rectus abd. Sit flat | |
---|---|---|---|---|
Mean ± s.e.m. | 68 ± 5.7% | 60 ± 6.3% | 68 ± 4.6% | 61 ± 5.0% |
Probability | <0.001 | 0.002 | 0.003 | 0.003 |