Table 1.
Top, overall median and maximum range differences of the femoral and tibial ACS axes (Rx, Ry, and Rz) and origin (T). Bottom, overall median and maximum difference in knee joint rotational and translational excursion for periods A and B.
| ANATOMICAL COORDINATE SYSTEM DIFFERENCES | ||||||||
|---|---|---|---|---|---|---|---|---|
| FEMUR | TIBIA | |||||||
|
| ||||||||
| Rx (°) | Ry (°) | Rz (°) | T (mm) | Rx (°) | Ry (°) | Rz (°) | T (mm) | |
|
| ||||||||
| MAX | 10.23 | 8.88 | 18.18 | 33.70 | 9.25 | 7.47 | 13.43 | 29.11 |
|
| ||||||||
| MEDIAN | 5.07 | 3.67 | 11.97 | 24.91 | 4.24 | 3.60 | 7.48 | 14.18 |
| KNEE JOINT KINEMATIC DIFFERENCES | ||||||
|---|---|---|---|---|---|---|
| JOINT ROTATIONS | JOINT TRANSLATIONS | |||||
|
| ||||||
| FL\EX (°) | AD\AB (°) | IN\EX (°) | ME\LA (mm) | AN\PO (mm) | CO\DI (mm) | |
|
| ||||||
| PERIOD A | ||||||
| MAX | 7.08 | 5.12 | 6.34 | 9.31 | 10.71 | 10.66 |
|
| ||||||
| MEDIAN | 0.51 | 0.02 | 0.06 | 1.70 | 1.21 | 0.68 |
|
| ||||||
| PERIOD B | ||||||
| MAX | 9.28 | 11.80 | 14.76 | 16.84 | 21.62 | 27.60 |
|
| ||||||
| MEDIAN | 2.21 | 5.52 | 5.04 | 8.61 | 6.74 | 18.72 |