Fig. 2From: What are the significant factors affecting pain in patients with Hartofilakidis type Ι developmental dysplasia of the hip?A Line 1 is the teardrop connection. Line 2 is the line connecting the teardrop and the outer edge of the acetabulum. The angle between the two lines is the sharp angle. B d is the distance between the medial femoral head and the ilioischial lineBack to article page