Table 2 Abductor Moment Arm in Neutral Stance with 30° Pelvic Tilt
From: Hip abductor moment arm - a mathematical analysis for proximal femoral replacement
| Â | Muscle Division | Abductor Moment Arm (cm) | |||
|---|---|---|---|---|---|
| Â | Â | Biomet - Letson | Biomet - Finn | Stryker - GMRS | Native Femur |
| Â | Anterior | 4.2 | 3.6 | 4.5 | 4.5 |
Gluteus Medius | Middle | 3.6 | 2.9 | 3.8 | 3.7 |
| Â | Posterior | 2.8 | 2.0 | 2.9 | 2.6 |
| Â | Anterior | 4.6 | 4.1 | 5.0 | 5.5 |
Gluteus Minimus | Middle | 3.8 | 3.0 | 4.0 | 4.0 |
| Â | Posterior | 2.7 | 1.8 | 2.8 | 2.4 |
Mean | Â | 3.6 | 2.9 | 3.8 | 3.8 |
Change from 0° Tilt |  | -22% | -33% | -24% | -32% |