Fig. 2From: Effects of pelvic obliquity and limb position on radiographic leg length discrepancy measurement: a Sawbones modelAnteroposterior (AP) radiograph of the Sawbones model, demonstrating its radiopaque cortical shell. For calibration and reference, a 25-mm steel ball is placed at the level of the acetabulofemoral joint and a 2-mm metallic marker at the lesser trochanterBack to article page