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Difference in Female and Male Whiplash Injury Risk – Indications from Seat Testing and From Fluid Dynamics Modelling of Nerve Injury Mechanisms

Mats Y. Svensson (Institutionen för tillämpad mekanik, Fordonssäkerhet ; SAFER - Fordons- och Trafiksäkerhetscentrum ) ; Anna Carlsson (SAFER - Fordons- och Trafiksäkerhetscentrum ) ; Anders Kullgren (SAFER - Fordons- och Trafiksäkerhetscentrum ; Institutionen för tillämpad mekanik, Fordonssäkerhet) ; Huadong Yao (Institutionen för tillämpad mekanik, Strömningslära) ; Håkan Nilsson (Institutionen för tillämpad mekanik, Strömningslära)
Proceeding of the 13th International Forum of Automotive Traffic Safety (INFATS), Hangzhou, China, November 24-26 p. 473-476. (2016)
[Konferensbidrag, refereegranskat]

Whiplash Associated Disorder (WAD) is still one of the most poorly understood traffic injuries. Cervical dorsal root ganglion lesion is a potential cause of WAD. This short communication covers factors that potentially contribute to the difference in WAD risk between female and male car occupants in rear impacts. A prototype female rear impact dummy and the male BioRID II dummy were used. In parallel a 3D model of the ganglion and the intervertebral bridging veins was developed in CFD software. The T1 x-acceleration was mostly higher in the female dummy, coinciding with the time of strongest pressure magnitudes. Car seats interacted differently with the female compared the male dummy. Increased early T1 acceleration of the female indicates a stronger pressure magnitude in the vertebral canal. Increased pressures were also found with more female-like neck joint properties. The results points to the need to complete

Nyckelord: Whiplash injury, Fluid dynamics, Rear impact, Spinal canal, Spinal ganglion

No.ATS.2016. 505

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Denna post skapades 2017-11-09. Senast ändrad 2017-11-09.
CPL Pubid: 253027


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Institutioner (Chalmers)

Institutionen för tillämpad mekanik, Fordonssäkerhet (2005-2017)
SAFER - Fordons- och Trafiksäkerhetscentrum
Institutionen för tillämpad mekanik, Strömningslära (2005-2017)


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