Table 1 Intracapsular hip joint pressure according to hip joint volume and hip joint position.
| Â | Intracapsular hip joint volume | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Â | 0 ml | 2 ml | 4 ml | 6 ml | 8 ml | 10 ml | 12 ml | 14 ml | p-value of ANOVA for different joint volume |
Hip joint position | |||||||||
Neutral | 0.0 (0.0) | 1.2 (0.6) | 2.3 (2.1) | 3.1 (0.6) | 4.1 (1.7) | 7.9 (5.5) | 49.8 (15.9) | 137.6 (30.9) | 0.00 |
45° flexion | 1.1 (1.5) | 2.7 (1.5) | 2.3 (2.1) | 3.7 (1.5) | 4.4 (1.9) | 4.7 (2.1) | 9.5 (4.8) | 40.7 (16.1) | 0.00 |
90° flexion | 0.9 (1.3) | 2.8 (1.8) | 8.7 (7.2) | 9.4 (7.0) | 33.0 (16.9) | 36.0 (15.5) | 40.6 (16.3) | 94.1 (25.1) | 0.00 |
Full internal rotation | 0.8 (1.3) | 10.1 (4.8) | 30.5 (42.8) | 91.1 (21.5) | 149.5 (34.0) | 185.9 (30.5) | 198.6 (10.3) | 199.1 (6.7) | 0.00 |
Full external rotation | 0.8 (1.2) | 4.2 (1.9) | 6.2 (7.8) | 14.1 (5.6) | 50.0 (24.2) | 124.8 (16.5) | 198.2 (13.2) | 198.5 (10.7) | 0.00 |
Full abduction | 0.2 (0.9) | 1.9 (1.9) | 4.8 (6.5) | 21.1 (11.8) | 27.4 (14.6) | 68.5 (19.5) | 105.8 (26.4) | 196.9 (7.3) | 0.00 |
p-value of ANOVA for different hip positions | 0.99 | 0.12 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | Â |