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Table 10 Short notes un-tongued – rectus abdominis (% maximum activity, 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
16.8 ± 3.4% 10.0 ± 2.1% 10.3 ± 2.5% 9.9 ± 2.3% 23.2 ± 4.7%
Probability Stand end Sit flat Sit slope down Slope back
Stand start 0.092 <0.001 0.001 0.004
Sit flat <0.001 - 0.367 0.467
Sit slope down <0.001 0.367 - 0.311
Slope back <0.001    
  1. Probabilities of <0.05 are in bold type.