Table 2.
Results of the biomechanical analysis using the custom made biomechanical apparatus (Figures 3(a)–3(c)).
| Manufacturer | Stem length (mm) | Stem taper (deg) | Polyethylene inlay (mm) | Minimum distraction to dislocate (mm) | AL at 25 mm of distraction (deg)/method 1 | AL at 25 mm of distraction (deg)/method 2 |
|---|---|---|---|---|---|---|
| Stryker—GMRS | 47 | 0 | 10 | 38 | 3,2 (SD: 0,33) | 3,3 (SD: 0,61) |
| DePuy—LPS/M.B.T. | 46 | 0 | — | 27 | 11,2 (SD: 0,80) | 11,3 (SD: 1,28) |
| DePuy—S-ROM Noiles | 46 | 5 | — | 26 | 18,4 (SD: 1,73) | 17,0 (SD: 1,13) |
| PLUS Orthopedics—RT-Plus | 38 | 0 | 8 | 30 | 3,0 (SD: 0,90) | 2,9 (SD: 0,90) |
| Zimmer—NexGen | 46 | 0 | 12 | 36 | 2,1 (SD: 0,68) | 2,3 (SD: 0,66) |
| Zimmer—NexGen | 60 | 0 | 26 | 42 | 2,3 (SD: 0,32) | 2,6 (SD: 0,44) |
AL: angular laxity; SD: standard deviation.