Table 2.
Description of Case II and Case III to highlight the effect of cup position and pelvic tilt respectively on PI through 2D polar plot.
| Case II | Case III | ||||||
|---|---|---|---|---|---|---|---|
| Cup position (inc/ant) | Activities | Pelvic tilt | 2D Plot produced | Pelvic tilt | Activities | Cup position (inc/ant) | 2D plot produced |
| 33°/15° | All four | No | One | No pelvic tilt | Flex & IR | 38°/25° | One |
| 33°/25° | All four | No | One | Posterior pelvic tilt 5° | Flex & IR | 38°/25° | One |
| 43°/21° | All four | No | One | Anterior pelvic tilt 5° | Flex & IR | 38°/25° | One |
*inc/ant = radiographic inclination and anteversion angle, as defined in Murray 14