AO Spine Thoracolumbar Classification
Type A (compression): A1 wedge, A2 split, A3 incomplete burst, A4 complete burst. Type B (tension band): B1 posterior through bone/ligament, B2 posterior + anterior, B3 anterior hyperextension. Type C (translation/rotation): multidirectional instability. Neurologic grade (N0–N4) and modifiers guide treatment.
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2Practised by MCQ
10Which type of thoracolumbar fracture is characterized by an anterior vertebral height loss with an intact post...
mcqIn the AO Spine classification, what does Type B represent?
mcqA patient presents with a complete burst fracture. How is this classified in the AO Spine system?
mcqWhat is the correct classification for a fracture involving disruption of one endplate with retropulsion of fr...
mcqWhich of the following is NOT a subtype of Type A fractures in the AO Spine classification?
mcqWhat mechanism is primarily responsible for Type A fractures classified as A2?
mcqA patient has a Chance fracture. According to the AO Spine classification, this injury would be classified as...
mcqWhat does the neurological status modifier 'N4' indicate in the AO Spine classification?
mcqWhich of the following is a case-specific modifier in the AO Spine classification?
mcqIn terms of treatment recommendations, how does the AO Spine classification differ from the TLICS system?