Table 2 Distribution of stress in the postoperative pelvis and hip joint at different phases of gait (MPa)
Cortical bone of affected side pelvis | Cortical bone of unaffected side pelvis | Hemipelvic prosthesis | Screws | Polyethylene liner | Femoral prosthesis | |
|---|---|---|---|---|---|---|
Heel to the ground | 40.9 | 38.2 | 19.9 | 17.2 | 8.5 | 43.5 |
Toe to the ground | 55.6 | 33.3 | 21.0 | 30.5 | 10.9 | 64.1 |
Midstance | 50.2 | 46.8 | 21.2 | 28.6 | 5.1 | 44.4 |
Heel off the ground | 73.3 | 44.0 | 24.8 | 34.3 | 6.6 | 70.0 |
Toe off the ground | 68.8 | 41.3 | 25.5 | 32.0 | 5.8 | 67.1 |