Fig. 2From: An in vitro study comparing limited to full cementation of polyethylene glenoid componentsThe loading apparatus demonstrates a 30° loading vector with two optical trackers. One optical tracker is attached to the polyethylene and one is attached to the bone as a reference. The scapula is potted within the cement box. There is masking tape over the humeral ball to reduce potential reflection to the camera (not shown)Back to article page