Fig. 3From: Biomechanical evaluation of monosegmental pedicle instrumentation in a calf spine model and the role of fractured vertebrae in screw stabilityCalf specimen and stereo image. a Calf T12 to L2 specimen with three non-colinear circular marks in the spine tester. b Stereo image of the markers on the specimen were recorded by a 3-dimensional laser scanisterBack to article page