Talocrural angle

Last revised by Ali Alsmair on 16 Mar 2022

The talocrural angle can be used to assess for fibular shortening after a fracture.


The talocrural angle is measured on the mortise view as the angle between a line along the distal tibial plafond articular surface and another line joining the tips of both malleoli 3,4


  • normal: 83° ± 4° 2 or 8-15° 3
  • fibular shortening: >2° difference to the contralateral side 2

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