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Table 4 Plethysmography long note – phase 2 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
9.1 ± 5.9° -3.7 ± 5.9° -0.7 ± 4.5° -3.8 ± 4.8° 9.7 ± 4.1°
Probability Stand end Sit flat Sit slope down Slope back
Stand start 0.441 0.022 0.016 0.007
Sit flat 0.005 - 0.220 0.442
Sit slope down 0.004 0.220 - 0.157
Slope back 0.002    
  1. Probabilities of <0.05 are in bold type.