Fig. 2From: The feasibility of short-segment Schanz screw implanted in an oblique downward direction for the treatment of lumbar 1 burst fracture: a finite element analysisSchanz pedicle screw fixation models when the downward inserted angle between the long axis of the screws and superior endplate of the adjacent vertebrae was set to a 0°, b 5°, c 10°, and d 15°Back to article page