Fig. 1From: Internal fixation using fully threaded cannulated compression screws for fresh femoral neck fractures in adultsPreoperative and postoperative anterior posterior radiographs of femoral neck fracture treated with fully threaded cannulated compression screws. a Fixed by three screws in a triangle configuration. b Fixed by three screws in an inverted triangle configuration. c Fixed by four screws in a triangle configuration. d Fixed by four screws in an inverted triangle configurationBack to article page