Fig. 3From: A parametric investigation on traditional and cortical bone trajectory screws for transpedicular fixationStress contours at the L3-L4 (upper) and L4-L5 (lower) discs of the different fixators. AÂ Flexion. BÂ Extension. CÂ Bending. DÂ Rotation. The upper and lower were the healthy and instrumented models, respectively. The stress scales were different for (A, B, and C) and (D) for visual clarityBack to article page