Fig. 2

Maximal displacement for the PFNA, ITN, PFBN, and NIS-II models in A3.1, A3.2, and A3.3 fractures. PFNA denotes the Proximal Femoral Nail Antirotation. ITN denotes the InterTAN nail. PFBN denotes the Proximal Femoral Bionic Nail. NIS-II denotes the New Intramedullary System-II. A3.1 denotes AO/OTA 31-A3.1. A3.2 denotes AO/OTA 31-A3.2. A3.3 denotes AO/OTA 31-A3.3.