Skip to main content

Table 12 Studies - muscle activity at Sit flat and Sit slope down measured as the area under the trace (RMS) expressed as a percentage of the level seen during standing (n = 8)

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

  1. Probabilities of <0.05 are in bold type.