Skip to main content
OrthoVellum
Knowledge Hub

Study

  • Topics
  • MCQs
  • ISAWE
  • Operative Surgery
  • Flashcards

Company

  • About Us
  • Editorial Policy
  • Contact
  • FAQ
  • Blog

Legal

  • Terms of Service
  • Privacy Policy
  • Cookie Policy
  • Medical Disclaimer
  • Copyright & DMCA
  • Refund Policy

Support

  • Help Center
  • Accessibility
  • Report an Issue
OrthoVellum

Ā© 2026 OrthoVellum. For educational purposes only.

Not affiliated with the Royal Australasian College of Surgeons.

Foot & Ankle
intermediate
X-Type

Chronic Lateral Ankle Instability

Ligament Injuries

A 28-year-old female soccer player presents with recurrent ankle "giving way" episodes for 2 years following an initial inversion ankle sprain. She reports at least 5 episodes of her ankle "rolling" during sports, each followed by swelling. Examination reveals a positive anterior drawer test and talar tilt test. She has mild hindfoot varus alignment. Previous treatment with physical therapy and bracing has failed to control symptoms. Regarding chronic lateral ankle instability:

Mark each as TRUE or FALSE

A

The lateral ankle ligament complex includes the anterior talofibular ligament (ATFL), calcaneofibula...

B

Chronic instability has two components: mechanical (anatomic laxity from ligament damage, demonstrat...

C

The PTFL is the weakest and most commonly injured ligament; the ATFL resists eversion; chronic insta...

D

Non-operative treatment includes rehabilitation emphasizing peroneal strengthening, proprioceptive t...

E

The modified Brostrom procedure (anatomic repair with reinforcement from the inferior extensor retin...

Answer the questions to see explanations

Click T (True) or F (False) for each option