Fig. 1From: Reducing the failure rate of hip resurfacing in dysplasia patients: a retrospective analysis of 363 casesRAIL Reference Table. RAIL guideline for correct acetabular component placement to avoid high ion levels and AWRF in HRA. The lower limit is arbitrarily set at 25°, the upper limit of acceptable AIA is listed for each bearing size. For the smallest bearing size (40 mm) there is only a 7° window, making placement very challengingBack to article page