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Ankle Joint

Ankle Joint

The ankle is formed by the talocrural joint (crural = leg). It consists of the articulations between the talus bone of the foot and the distal ends of the tibia and fibula of the leg. The superior aspect of the talus bone is square-shaped and has three areas of articulation. The top of the talus articulates with the inferior tibia. This is the portion of the ankle joint that carries the body weight between the leg and foot. The sides of the talus are firmly held in position by the articulations...

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Related Experiment Video

Updated: Apr 5, 2026

A Mouse Model of Ankle-Subtalar Complex Joint Instability

A Mouse Model of Ankle-Subtalar Complex Joint Instability

Published on: October 28, 2022

Subtle anterior subtalar dislocation.

J Mason DePasse¹, Amanda J Fantry¹, Raymond Y Hsu¹

¹Department of Orthopaedics, Warren Alpert Medical School of Brown University, Providence, RI 02903.

The American Journal of Emergency Medicine

|August 24, 2015

Summary

This summary is machine-generated.

Anterior subtalar dislocations are exceptionally rare foot injuries. This case highlights a subtle variant that was initially missed on X-rays but successfully treated with closed reduction.

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Area of Science:

Orthopedic Surgery
Podiatric Medicine
Radiology

Background:

Subtalar dislocations are infrequent injuries.
Anterior subtalar dislocations represent an extremely rare subset of these injuries, with only seven detailed cases previously reported.
Previous reports consistently involved substantial displacement, readily identifiable on initial radiographic imaging.

Observation:

A case of a subtle anterior subtalar dislocation is presented.
This specific injury was not immediately apparent on initial plain film radiographs.
The subtle nature of the dislocation posed a diagnostic challenge.

Findings:

The subtle anterior subtalar dislocation was successfully diagnosed and treated.
Closed reduction was employed as the successful treatment modality.
This case expands the understanding of subtalar dislocation presentations.

Implications:

Subtle subtalar dislocations may be missed on initial radiographic assessment.
Clinicians should maintain a high index of suspicion for subtalar injuries, even when displacement is not obvious.
Successful closed reduction is a viable treatment option for subtle anterior subtalar dislocations.