Calcaneofibular 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

• Calcaneofibular Ligament
• CFL

Anatomic Description

• Extracapsular round cord
• Measures 20-25 mm in length, 6-8 mm in width
• Origin: distal to ATFL on the top of the lateral malleolus
• Insertion: posteroinferiorly, medially inserts on the lateral surface of the calcaneus
• Lies deep to the peroneal tendons

Radiographic Appearance

• MRI
  • Often only partially imaged on coronal and axial images
  • PD: uniformly low signal

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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