Fig. 2

Surgical procedures and postoperative functional exercise. a The distal femoral incision was extended to the anterolateral part of the knee joint. b The distal femoral fractures was fully revealed and attention should be paid to preserve the integrity of the suprapatellar bursa. c Distal femoral compression locking plate was used for solid fixation. d The incision was sutured and a drainage tube was placed in the incision. e The suture was removed according to the wound healing 12~14 days after surgery. f Postoperative functional exercise