Testing position | Scoliosis N = 46 | Controls N = 46 | X2 test p value |
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| Symmetry | Asymmetry | Symmetry | Asymmetry | |
Supine | 20 | 26 | 18 | 28 | 0.67 |
Lateral | 21 | 25 | 25 | 21 | 0.40 |
Prone 0 | 24 | 22 | 27 | 19 | 0.53 |
Prone Ext | 25 | 21 | 30 | 16 | 0.29 |
Prone Int | 22 | 24 | 29 | 17 | 0.14 |
- Prone 0 – examination in the prone position with the lower limb in neutral rotation; Prone Ext – examination with the lower limb in external rotation; Prone Int – examination with the lower limb in internal rotation. No significant difference was found in the proportion of symmetric/asymmetric hip adduction between patients with scoliosis and the controls, irrespective the technique of examination.