Fig. 3From: The outcomes of one-stage treatment for multiple knee ligament injuries combined with extensor apparatus ruptureDifferent kinds of surgical methods for extensor apparatus injuries. a ORIF of a patellar fracture; b Repair and tension-reduced fixation for mid-substance rupture of the patellar tendon; c Repair and tension-reduced fixation of the superior pole of a patellar avulsion fracture and quadriceps tendon ruptureBack to article page