Biomechanical Evaluation of the Modified Cannulated Screws Fixation of Unstable Femoral Neck Fracture with Comminuted Posteromedial Cortex

Figure 3

(a) The position of specimen simulating rising from the chair or climbing stairs; (b) the position of specimen simulating standing; (c) two magnets were used to measure the axial displacement.

(a)

(b)

(c)