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

Subtalar Arthrodesis - Fusion Position, Screws, Nonunion

Subtalar Arthrodesis

A 52-year-old male presents with painful post-traumatic subtalar arthritis 3 years after a displaced intra-articular calcaneal fracture. Non-operative management has failed. He is scheduled for isolated subtalar arthrodesis. The surgeon is discussing optimal fusion position with the trainee. Regarding the ideal position for subtalar arthrodesis:

Mark each as TRUE or FALSE

A

The ideal fusion position for isolated subtalar arthrodesis is 5-10 degrees of hindfoot valgus relat...

B

Neutral dorsiflexion-plantarflexion is preferred to allow for adequate push-off during gait; excessi...

C

The subtalar joint should be fused in 10-15 degrees of varus to unload the lateral column and preven...

D

Intraoperative assessment of hindfoot alignment should be performed with the patient prone using the...

E

Failure to achieve correct fusion position can result in adjacent joint arthritis, particularly at t...

Answer the questions to see explanations

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