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Fig. 2 | Journal of Orthopaedic Surgery and Research

Fig. 2

From: Biomechanical analysis of fibular graft techniques for nontraumatic osteonecrosis of the femoral head: a finite element analysis

Fig. 2

Boundary conditions and calculated regions in the proximal femur. a A load of 250% of the body weight was applied on the reference point (P1), which was coupled with the entire weight-bearing area along the mechanical axis (dotted line) of the femur. The distal femur was fully restrained to movement. b Four regions were calculated: the weight-bearing area, central femoral head, femoral neck, and trochanteric and subtrochanteric regions

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