Posterior talofibular ligament

The posterior talofibular ligament (PTFL) is one of three ligaments that compose the lateral collateral ligament complex of the ankle. When the anterior talofibular and calcaneofibular ligaments are intact, it only has a secondary role in ankle joint stability and is also the least commonly injured of the three ligaments. 

The PTFL is an intracapsular but extra-synovial ligament that arises from the posterior aspect of the distal fibula, courses posterolaterally to insert into the lateral tubercle on the posterior aspect of the talus.

Relations

Lies deep to the peroneal retinaculum and flexor hallucis longus tendon 3

MRI
  • often appears striated or striped secondary to its fibrofatty make-up 1

Lower limb anatomy
Share article

Article Information

rID: 26975
Section: Anatomy
Synonyms or Alternate Spellings:
  • Posterior talo-fibular ligament

Support Radiopaedia and see fewer ads

Cases and Figures

  • Drag
    Figure 1
    Drag here to reorder.
  • Updating… Please wait.
    Loadinganimation

    Alert accept

    Error Unable to process the form. Check for errors and try again.

    Alert accept Thank you for updating your details.