Figure 3

Anterograde and retrograde fixation procedure for femoral fractures. Anterograde fixation (A1–C1); retrograde fixation (A2–C2). A1 incision, B1 the entry point for the nail, C1 main nail and locking tag screwing. A2 incision, B2 the entry point for the nail, C2 main nail screwing, D2 locking tag screwing.