C is for the Cyma line

November 1, 2022

The Cyma line is a sign seen on a a x-ray and appears as a ‘lazy’ S shape that is formed by the midtarsal articulations of the talonavicular and calcaneocuboid joints. This Cyma line should appear smooth and unbroken in a well-aligned foot and disruption in it mean that there are some alignment issues.


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