Cervical sprain. This 22-year-old woman sustained a hyperflexion–hyperextension sprain to her cervical spine while driving in a demolition derby contest.

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Cervical sprain. This 22-year-old woman sustained a hyperflexion–hyperextension sprain to her cervical spine while driving in a demolition derby contest. (A) Plain film, lateral view, shows a loss of cervical lordosis and hyperkyphotic angulation at C5–C6. (B) Lateral flexion film shows slight anterior displacement of C5 on C6 (arrow) and widening of the C5–C6 interspinous space. (C) Extension film shows reluctance or inability of patient to hyperextend the neck and a persistent hyperkyphotic angulation of the C5–C6 segment. These findings suggest ligamentous disruption at the C5–C6 segment. Source: RADIOLOGIC EVALUATION OF THE CERVICAL SPINE, Fundamentals of Musculoskeletal Imaging Citation: McKinnis LN. Fundamentals of Musculoskeletal Imaging; 2014 Available at: http://fadavispt.mhmedical.com/DownloadImage.aspx?image=/data/books/1899/mckfunda_fig-7-53.png&sec=141190037&BookID=1899&ChapterSecID=141189819&imagename= Accessed: October 19, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved