Fig. 2From: A method combining the use of a mobile application and a dedicated pelvic positioner for acetabular cup insertionFixing the pelvis using the pelvic positioner and setting the reference plane of the application. For setting the reference plane of the application on the accessory table: the reference line is parallel to the operating table and vertical to the line connecting the ASIS on both sides with the coronal plane (A) and parallel to the pelvic plane with the sagittal plane (B). ASIS, anterior superior iliac spineBack to article page