Table 2.
Medial–lateral translation, varus-valgus rotation, and inferior-superior translation of the femur relative to the tibia
| Knee flexion angle (°) | n (knees) | Superior translation (mm) | Varus rotation (°) | Medial translation (mm) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Flexion phase | (SD) | Extension phase | (SD) | Flexion phase | (SD) | Extension phase | (SD) | Flexion phase | (SD) | Extension phase | (SD) | ||
| 100 | 11 | 38.8 | (3.1) | 38.2** | (2.8) | 5.7 | (3.5) | 4.6** | (3.5) | 2.8 | (3.5) | 1.0** | (3.3) |
| 105 | 13 | 39.2 | (2.9) | 38.7** | (2.7) | 5.5 | (3.4) | 4.5** | (3.2) | 2.8 | (3.2) | 1.5** | (2.9) |
| 110 | 14 | 40.1 | (2.9) | 39.5** | (2.6) | 5.2 | (3.3) | 4.0** | (3.1) | 2.6 | (3.0) | 1.6* | (2.6) |
| 115 | 15 | 40.9 | (3.1) | 39.5** | (2.7) | 5.2 | (3.1) | 3.7** | (2.8) | 2.6 | (2.9) | 2.2 | (2.5) |
| 120 | 15 | 41.0 | (3.0) | 40.4** | (2.6) | 5.1 | (3.1) | 3.6* | (2.5) | 2.6 | (2.9) | 2.9 | (2.4) |
| 125 | 15 | 41.0 | (2.9) | 40.4** | (2.5) | 4.9 | (3.2) | 3.3* | (2.3) | 2.6 | (3.0) | 3.6* | (2.5) |
| 130 | 15 | 40.8 | (2.7) | 40.2* | (2.4) | 4.5 | (3.3) | 2.9* | (2.2) | 2.8 | (3.1) | 4.1** | (2.6) |
| 135 | 15 | 10.4 | (2.5) | 39.9* | (2.3) | 4.1 | (3.2) | 2.5* | (2.2) | 3.4 | (3.5) | 4.7** | (2.9) |
| 140 | 15 | 39.8 | (2.2) | 39.3* | (2.1) | 3.5 | (3.3) | 2.1* | (2.1) | 4.2 | (3.9) | 5.5* | (3.3) |
| 145 | 15 | 39.0 | (1.9) | 38.4* | (1.9) | 2.7 | (3.3) | 1.4* | (2.3) | 5.0 | (4.2) | 6.1* | (3.6) |
| 150 | 15 | 38.0 | (1.7) | 37.4* | (1.9) | 1.7 | (3.3) | 0.6* | (2.6) | 5.7 | (4.3) | 6.7 | (3.7) |
| 155 | 12 | 36.2 | (1.6) | 35.8 | (1.9) | 1.0 | (3.5) | − 0.1* | (3.1) | 7.4 | (3.2) | 7.9 | (2.9) |
| Maxflex | 12 | 34.1 | (2.1) | 34.1 | (2.1) | − 0.2 | (3.6) | − 0.2 | (3.6) | 8.6 | (3.4) | 8.6 | (3.4) |
| Range | 4.7 | 4.1 | 5.9 | 4.8 | 5.8 | 7.6 | |||||||
Paired t-test; *P < 0.05, **P < 0.01
SD, standard deviation; maxflex, maximum flexion