Table 1 Hip joint range of rotation in adolescent girls with scoliosis versus healthy controls.
Parameter | Scoliotics N = 158 | Controls N = 57 | P value |
|---|---|---|---|
Internal rotation Right hip | 50.6 ± 13.4 (20 ÷ 90) | 52.8 ± 13.8 (25 ÷ 80) | NS |
Internal rotation Left hip | 51.3 ± 13.5 (20 ÷ 90) | 52.7 ± 14.0 (30 ÷ 80) | NS |
External rotation Right hip | 35.2 ± 12.3 (5 ÷ 60) | 37.9 ± 13.5 (10 ÷ 65) | NS |
External rotation Left hip | 34.8 ± 11.6 (5 ÷ 60) | 37.5 ± 13.2 (10 ÷ 65) | NS |
Total range rotation Right hip | 86.0 ± 15.6 (50 ÷ 140) | 88.0 ± 21.5 (30 ÷ 135) | NS |
Total range rotation Left hip | 86.2 ± 16.0 (60 ÷ 140) | 90.3 ± 18.3 (50 ÷ 135) | NS |
Difference in IR: Right minus left | -0.4 ± 9.9 (-30 ÷ 20) | 0.1 ± 7.9 (-20 ÷ 20) | NS |
Difference in ER: Right minus left | 0.2 ± 9.3 (-25 ÷ 30) | 0.4 ± 6.4 (-10 ÷ 20) | NS |
Absolute difference left-right in IR | 8.3 ± 5.4 (0 ÷ 30) | 5.7 ± 5.4 (0 ÷ 20) | 0.0013 |
Absolute difference left-right in ER | 7.2 ± 5.9 (0 ÷ 30) | 4.4 ± 4.6 (0 ÷ 20) | 0.0023 |
Mid-point of rotation for right hip | 7.8 ± 10.1 (-15 ÷ 38) | 7.4 ± 10.4 (-20 ÷ 32.5) | NS |
Mid-point of rotation for left hip | 8.1 ± 9.6 (-15 ÷ 38) | 7.6 ± 10.5 (-17.5 ÷ 32.5) | NS |
Static rotational offset of the pelvis | 7.0 ± 5.1 (0 ÷ 25) | 5.0 ± 4.3 (0 ÷ 17.5) | 0.0092 |