Chronic neck pain following whiplash is a substantial problem, affecting as many as 42% of whiplash patients . The cervical facet joint is a common candidate for producing neck pain because it sustains altered kinematics during whiplash, with tensile stretch of its capsular ligament exceeding that during normal motions [2,3]. Altered facet capsule mechanics have been documented for loading conditions below structural failure [4,5]; evidence of both decreased linear stiffness and minor ruptures of the capsule suggest ligament injury prior to failure. In vivo studies have also implicated subfailure capsule injury as a potential source of pain. Capsule nociceptive pain fiber activation and saturation , as well as sustained pain symptoms , can be produced for facet joint distraction below gross failure.
Collagen Fiber Organization in the Cervical Facet Capsular Ligament Following Painful Facet Joint Distraction in the Rat
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Lee, KE, & Winkelstein, BA. "Collagen Fiber Organization in the Cervical Facet Capsular Ligament Following Painful Facet Joint Distraction in the Rat." Proceedings of the ASME 2007 Summer Bioengineering Conference. ASME 2007 Summer Bioengineering Conference. Keystone, Colorado, USA. June 20–24, 2007. pp. 593-594. ASME. https://doi.org/10.1115/SBC2007-176125
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