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Fixed position of the components in custom coordinate system.
Fig. 6a–c shows that in the positioning of the femoral component, varus in the coronal plane is 0°, retroversion in the sagittal plane is 0°, and external rotation in the axial plane is 0°. Fig. 6d–f shows that in the positioning of the tibial component, varus in the coronal plane is 0°, retroversion in the sagittal plane is 5°, and external rotation in the axial plane is 0°.
