Fig. 1From: Finite element analysis of two cephalomedullary nails in treatment of elderly reverse obliquity intertrochanteric fractures: zimmer natural nail and proximal femoral nail antirotation-ΙΙEstablishment of geometric model of reverse obliquity intertrochanter fracture (AO/OTA type 31-A3.1) fixed by ZNN and PFNA-II, and measured the TAD (a 17.52 mm in ZNN group, b 19.33 mm in PFNA-II group)Back to article page