Shin KH, et al. - Via retrospectively reviewing Garden I and II femoral neck fractures treated by in situ fixation using parallel cannulated screws at the institution between January 2010 and November 2018, experts aspired to explore whether stabilization by parallel partially threaded cannulated screws replacing a posterior partially threaded screw with a fully threaded positioning screw would improve fracture healing without further femoral neck shortening and posterior tilt of the femoral neck in femoral neck fractures. There was no significant intergroup difference in demographics and fracture characteristics, except in the follow-up duration. Parallel cannulated screws replacing a partially threaded posterior screw with a completely threaded positioning screw as a length- and angle-stable construct for Garden I or II femoral neck fracture fixation can prevent a collapse of the femoral neck both on the coronal and axial planes.