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Home › Body Atlas › Fascia & Spaces › Posterior Subtalar Joint Capsule
Fascia or Space Foot & Ankle

Posterior Subtalar Joint Capsule

capsula articularis talocalcanea posterior

The posterior subtalar joint capsule encloses the posterior facet, the largest and most important subtalar articulation, reinforced by the posterior talocalcaneal ligament.

Anatomical Data

Boundaries & Contents

LocationHindfoot, around the posterior talocalcaneal articulation (the anatomical subtalar joint)
Boundaries
Contents
  • Subtalar joint cavity
  • Synovial membrane and synovial fluid
Biomechanics

Function & Actions

Encloses the subtalar joint, which allows inversion and eversion of the foot.

Clinical Relevance

Clinical Notes

Capsule tightness contributes to subtalar stiffness after calcaneal fracture. Subtalar arthroscopy addresses posterior compartment pathology through the posterior portal.

Pathology

Common Injuries & Conditions

Posterior Subtalar Capsule Contracture

Post-traumatic capsular fibrosis after calcaneal fracture producing restricted hindfoot inversion-eversion, managed by physiotherapy or arthroscopic release.

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