Fig. 2From: Modified F configuration in the treatment of Pauwels type III femoral neck fracture: a finite element analysisThe displacement of femur and internal fixation in four models. a3, a4: the traditional inverted triangular cannulated screw model; b3, b4: the F-technique cannulated screw model; c3, c4: the modified F-technique cannulated screw model; d3, d4: the dynamic hip screw coupled with anti-rotational screw modelBack to article page