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. 2016 Apr 25;5(2):e407–e412. doi: 10.1016/j.eats.2016.01.018

Fig 1.

Fig 1

Unstable ankle. After fixation of the fibula fracture, the arthroscopic drive-through sign should be performed. If the syndesmosis is incompetent, the talus is unstable within the mortise. The arthroscopic shaver will be easily inserted between the medial malleolus and the talar dome, indicating a positive drive-through sign.