Fig. 1From: Optimal position of lipped acetabular liners to improve stability in total hip arthroplasty—an intraoperative in vivo studyIntraoperative photo demonstrating the left hip with trial liner. Solid yellow line with arrow points to the ASIS and is designated as the 11 o’clock position. Dotted vertical blue line represents the axis of the patient’s body and is the 12 and 6 o’clock reference. The image demonstrates lipped liner being trialed in the posterosuperior quadrant (2 o’clock position)Back to article page