The following table or figure may be downloaded to PowerPoint for personal use in teaching and presentations. This feature is available to all subscribers to the journal.
You MUST read and follow the guidelines at Request to Reproduce AJR Content if you are distributing or using AJR content beyond academic use (limited distribution, non-revenue producing, or educational purposes).
(Downloading may take up to 30 seconds.
If the slide opens in your browser, select File -> Save As to save it.)
Click on image to view larger version.

Fig. 2A. 11-year-old male control subject with normal subtalar joint
motion and score of 1 for "absent middle facet" sign, "talar
beak" sign, and C sign. Standing lateral radiograph from middle
facet (short solid arrow) shows posterior facet joint spaces
(long solid arrow) of subtalar joint are clearly visible. Lateral
process of talus (open arrow) marks anterior extent of posterior
facets.