β£What is psuedosubluxation?Subluxation in children up to 8 yoC2/C3 subluxation in 40% of childrenC3/C4 subluxation in 14%β£What is the etiology?Etiology: horizontal Facet jointsβ£How to differentiate true or pseudosubluxation?Draw posterior spinolaminar line along C1 and C3 aka Swischuk LineIf C2 is deviated < 2mm = pseudosubluxationIf C2 is deviated > 2mm = true subluxationOther factors that support it is pseudo:Reduction of subluxation with neck extension - retake XR with neck in extensionNo trauma