Posterior Talofibular Ligament

Introduction

Illustration of lateral view of ankle joint with ligaments, bones and tendons labeled

A) Dissection with foot inverted by underlying wedge. B) Lateral radiograph. C) Dissection.

Name

• Posterior Talofibular Ligament
• PTFL

Anatomic Description

• Intracapsular, extra synovial ligament
• Origin: posterior aspect of distal fibula
• Insertion: courses posteromedial to insert on the lateral tubercle of posterior talus
• Lies deep to the peroneal retinaculum, flexor hallucis longus

Radiographic Appearance

• MRI
  • Often appears striated, striped secondary to fibrofatty make-up

Vascular Supply

• Needs to be updated

Innervation

• Needs to be updated

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Clinical Significance

• Lateral Ankle Sprain
• Ankle Fracture
• Ankle Dislocation
• Medial Ankle Sprain
• High Ankle Sprain

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See Also

• Ankle Pain (Main)
• Foot And Ankle Anatomy

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