Table 1.
Mean anterior translation in mm (with standard deviation), in response to 150 N anterior force with 0 and 710 N axial force applied (n = 8)
| Flexion angle | Native knee | CR TKA | CR TKA–PCL | CR TKA–PCL–PostCap |
|---|---|---|---|---|
| 0 N axial force | ||||
| 0° | 5.6 (2.2) | 11.0 (4.4) | 12.0 (5.7) | 13.4 (5.7)γ |
| 30° | 8.5 (3.7) | 16.6 (5.3) | 17.0 (4.8) | 17.7 (5.1) |
| 60° | 8.3 (3.9) | 15.2 (6.6) | 15.5 (6.2) | 17.1 (5.7) |
| 90° | 7.8 (1.9) | 12.1 (6.8) | 14.8 (6.2) | 14.4 (6.8) |
| 710 N axial force | ||||
| 0° | 3.6 (2.1) | 3.0 (0.8) | 3.5 (1.3) | 3.7 (1.4) |
| 30° | 6.7 (3.2) | 5.2 (3.4) | 5.2 (2.1) | 5.6 (2.0) |
| 60° | 4.1 (2.1) | 4.3 (1.9) | 4.8 (1.8) | 5.2 (1.7) |
| 90° | 6.4 (2.7) | 3.2 (0.8) | 4.2 (1.0) | 5.1 (1.5) |
Key to content: CR TKA cruciate-retaining total knee arthroplasty with deep-dished insert, PCL posterior cruciate ligament, PostCap posterior capsule release
γSignificant difference from the CRDD TKA–PCL state (p < 0.05)