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. 2017 Dec 16;18:536. doi: 10.1186/s12891-017-1898-1

Fig. 1.

Fig. 1

Process of mechanical testing and finite element analysis. A proximal femur is sawed 12 cm distal from the tip of the greater trochanter, sloping 20° in the coronal plane to the shaft axis (a). The distal 3 cm of the specimen is fixed using resin cement and a ‘resin cap’ is placed on the femoral head (b). The force is applied at a fixed vertical displacement (c) until the proximal femoral fracture occurs (d). The model of the proximal femur is made (e), is angled and fixed at the distal end with a resin cap on the femoral head (f). A compressive load was applied (g) until predicted fracture (h)