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Thoracolumbar Spine Injuries in Car Crashes

Lotta Jakobsson (Institutionen för tillämpad mekanik, Fordonssäkerhet ; SAFER - Fordons- och Trafiksäkerhetscentrum ) ; Magnus Björklund ; Anders Westerlund
IRCOBI Conf Proc - International Research Council on the Biomechanics of Injury, Sept, Malaga, Spain (IRC-16-22) (2235-3151). (2016)
[Artikel, refereegranskad vetenskaplig]

While thoracolumbar (TL) spine injuries have increased in relative importance, they have been subject to limited test methods and injury criteria developments. Using real‐world crashes from Volvo Cars Traffic Accident Database, a two‐part study was carried out: a statistical analysis to establish the correlation between influencing factors to the accident occurrence; and an in‐depth data study to identify and categorise AIS2+ TL spine fractures. Most of the thoracolumbar fractures occur in the area of transition between the thoracic and lumbar spine. Compression is the most common AIS2+ TL spine fracture type, followed by anterior wedge. The occurrence of these is mainly in crashes with a main force component towards the front or the undercarriage. In side impacts, transversal processes fractures are the most frequent injuries. There is an over‐representation of these injuries in complex events, such as multiple impacts and multiple events, including run‐off‐road, rollover and turnover. In the cases of pure frontal impacts, the crash severity is typically high, with a large front structure engagement exerting the occupant for high accelerations. The character of the TL spine fractures, together with the situations of occurrence; provide important insights into likely occupant loading mechanisms, enabling important steps towards methods and criteria addressing these injuries.

Nyckelord: Car crashes, crash statistics, spine fractures, thoracolumbar spine, real world data analysis



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Denna post skapades 2016-10-24. Senast ändrad 2016-10-24.
CPL Pubid: 244017

 

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