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Table 3 Frequency of symmetry and asymmetry in boys.

From: Trunk asymmetry in juveniles

   Symmetry 1 -1 2 -2 Missing Total
Thoracic N 1348 143 128 6 4 16 1645
  % 82.75 8.78 7.86 0.37 0.25   100.00
Thoraco – lumbar N 1335 144 129 13 8 16 1645
  % 81.95 8.84 7.92 0.80 0.49   100.00
Lumbar N 1282 182 137 19 9 16 1645
  % 78.70 11.17 8.41 1.17 0.55   100
  1. Scoliometer readings are obtained at sitting forward bending position. 1: mild right asymmetry (ATR 1–6°), 2: severe right asymmetry (ATR ≥ 7°), -1 mild left asymmetry (ATR 1–6°), -2: severe left asymmetry (ATR ≥ 7°).