Mark Kayanja

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BACKGROUND CONTEXT Different atlantoaxial fusion techniques are used for instability. Transarticular screws are biomechanically superior to wiring techniques and equivalent to C1 lateral mass to C2 pedicle (C1LM-C2P) fixation. Recently, C1 lateral mass to C2 laminar (C1LM-C2L) fixation has been shown to have flexibility similar to C1LM-C2P fixation in(More)
" The fundamentals are the future. " P erhaps the most fundamental of equations that describe rudimentary physical actions and reactions in the spine biomechanics arena is that which describes the relationship between bending moment, force, and moment arm length: MϭF ϫ D, where M is the bending moment, F is the force applied, and D is the distance from the(More)
OBJECT The authors conducted a study to compare biomechanical effects on the cervical spine of bridging fixation and intermediate fixation techniques, in both fixed and dynamic modes. METHODS A biaxial, servohydraulic machine biomechanically tested 23 human cervical spines for stiffness and strain in compression, extension, flexion, and lateral bending(More)
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