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Table 13 Case study (elite trumpeter) – muscle activity measured as the area under the trace (RMS) expressed as a percentage of the level seen during standing

From: The effect of standing and sitting postures on breathing in brass players

  Carmen (low range) Mahler (middle range) Strauss (upper range)
  Rectus ab. Ext. obl. Rectus ab. Ext. obl. Rectus ab. Ext. obl.
Sit slope down 80 94 67 81 84 80
Sit flat 51 82 45 66 56 32