Fig. 1From: Impacts of external rotators and the ischiofemoral ligament on preventing excessive internal hip rotation: a cadaveric studyPhotographs of the cadavers showing A the insertion of the Phoenix Ankle Arthrodesis Nail to the right femur (a protractor was attached to the nail) and B pelvic fixation (using a posterior approach). c A schematic model providing an overview of the study settings. The hip flexion angle was the angle between the femur and the anterior pelvic planeBack to article page