Navigate to the 'Thoracic and lumbar trauma' section within the AO Surgery Reference. Once on this page, identify and list all the specific 'Type A' fracture sub-types mentioned, such as A0, A1, A2, etc., along with their brief descriptions.
Navigate to 'aofoundation.org'. Locate and navigate to the 'AO Surgery Reference' section. From the AO Surgery Reference, navigate to the 'Spine Trauma' section. On the 'Spine Trauma' page, locate and click the 'Thoracic and lumbar' link under the 'Trauma' section to access the 'Thoracic and lumbar trauma' procedure page. Once on the 'Thoracic and lumbar trauma' page, identify all listed 'Type A' fracture sub-types and their descriptions. List these identified sub-types and their descriptions.
Successfully navigates to the 'Thoracic and lumbar trauma' page within the AO Surgery Reference. Accurately lists 'A0: Type A0 is used to describe insignificant fractures not affecting the spinal stability in a significant way, such as an isolated fracture of the spinous process, the...' Accurately lists 'A1: Type A1 injuries are vertebral body fractures with one or both endplates involved but the fractures do not connect with one another.' Accurately lists 'A2: Type A2 injuries are vertebral body fractures in which the fracture involves both endplates.' Accurately lists 'A3: Type A3 burst injuries are fractures of a single endplate. There may be a vertical fracture of the lamina. The posterior tension band is maintained.' Accurately lists 'A4: Type A4 burst injuries are fractures of both endplates. A vertical fracture of the lamina, does not imply posterior tension band rupture.'