Fig. 5From: Functional outcomes are preserved in adult acetabular dysplasia with radiographic evidence of lumbosacral spine anomalies: an investigation in hip-spine syndromea FEAR index suggestive of AD. Angle with one arm transecting most medial and lateral aspects of acetabular sourcil and another arm transecting middle 1/3 of physeal scar. b Physeal scar used to measure FEAR indexBack to article page