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Table 6 Long notes – rectus abdominis activity (% 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
75.4 ± 6.3%	42.0 ± 4.3%	43.4 ± 4.8%	44.2 ± 5.0%	71.7 ± 6.0%
*Probability*	Stand end	Sit flat	Sit slope down	Slope back
Stand start	0.189	<0.001	<0.001	<0.001
Sit flat	<0.001	-	0.061	0.221
Sit slope down	<0.001	0.061	-	0.347
Slope back	<0.001

Probabilities of <0.05 are in bold type.

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