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Table 3 The robotic table: An intended derotation angle and an intended change on the coronal axis, equals a specific inclined cutting angle from the sagittal view

From: Single cut distal femoral osteotomy for correction of femoral torsion and valgus malformity in patellofemoral malalignment - proof of application of new trigonometrical calculations and 3D-printed cutting guides

Change on coronal axis Derotation = external rotation of the distal limb / internal rotation of proximal limb  
10° 15° 20° 25° 30° 35° 40°
1 5.8 3.9 2.9 2.4 2.0 1.7 1.6 Additional change on sagittal axis in []
1.5 8.7 5.8 4.4 3.6 3.0 2.6 2.3
2 11.6 [0.2] 7.8 5.9 4.7 [0.4] 4.0 3.5 3.1 [0.7]
2.5 14.5 9.7 7.3 6.0 5.0 4.4 3.9
3 17.5 11.7 8.8 7.1 6.0 5.2 4.7
3.5 20.6 13.6 10.3 8.3 7.0 6.1 5.4
4 23.7 [0.3] 15.6 11.8 9.5 [0.9] 8.0 7.0 6.2 [1.4]
4.5 26.9 17.6 13.3 10.7 9.0 7.9 7.0
5 30.1 19.7 14.8 11.9 10.0 8.7 7.8
5.5 33.5 21.7 16.3 13.1 11.0 9.6 8.6
6 37.0 [0.4] 23.8 17.8 14.3 [1.3] 12.1 10.5 9.4 [2.2]
6.5 40.7 26.0 19.3 15.5 13.1 11.4 10.1
7 44.6 28.1 20.9 16.8 14.1 12.3 10.9
7.5 48.7 30.3 22.4 18.0 15.1 13.1 11.7
8 53.3 [0.4] 32.5 24.0 19.2 [1.7] 16.2 14.0 12.5 [2.7]
8.5 58.4 34.8 25.6 20.5 17.2 14.9 13.3
9 64.3 37.2 27.2 21.7 18.2 15.8 14.1
9.5 71.9 39.6 28.8 23.0 19.3 16.7 14.9
10 89.0 [.01] 42.1 30.5 24.3 [2.0] 20.3 17.6 15.6 [3.5]
The Robotic Table Inclination of cutting plane from sagittal view     All values in degrees (°)
Ant.-prox. to post.-dist. = varus producing    
Ant.-dist. to post.-prox. = valgus producing