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Chronic Post-Traumatic Neck Pain

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Whiplash is a compression injury. It is not a flexion/extension or acceleration/deceleration injury. Following impact, the trunk is thrust upwards, against the inertia of the head. This causes compression into a sigmoid deformation of the cervical spine at about 110ms after impact. During the deformation, the lower cervical segments undergo abnormal rotation into extension. The anterior annulus fibrosis is strained, and the facet joints are impacted. Extension is completed as the base of the neck descends.[1]

References

  1. ↑ Bogduk. On cervical zygapophysial joint pain after whiplash. Spine 2011. 36:S194-9. PMID: 22020612. DOI.
  • Kaneoka, K., Ono, K., Inami, S., Ochiai, N., & Hayashi, K. (2002). The Human Cervical Spine Motion During Rear-Impact Collisions. Journal of Whiplash & Related Disorders, 1(1), 85–97. doi:10.3109/j180v01n01_08
  • Kaneoka et al.. Motion analysis of cervical vertebrae during whiplash loading. Spine 1999. 24:763-9; discussion 770. PMID: 10222526. DOI.
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