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A Mouse Model of Ankle-Subtalar Complex Joint Instability

A Mouse Model of Ankle-Subtalar Complex Joint Instability

Published on: October 28, 2022

Posterior ankle impingement.

Sandro Giannini¹, Roberto Buda, Massimiliano Mosca

¹University of Bologna, Rizzoli Orthopaedic Institute, Bologna, Italy.

Foot & Ankle International

|March 23, 2013

Summary

This summary is machine-generated.

Posterior ankle impingement, a frequent cause of chronic ankle pain, involves compression of structures during plantarflexion. Causes include bony abnormalities like os trigonum and soft tissue issues such as ligament or muscle anomalies.

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Area of Science:

Orthopedics
Sports Medicine
Anatomy

Background:

Posterior ankle impingement is a prevalent cause of chronic ankle pain.
It occurs due to the compression of posterior ankle structures during plantar flexion.

Purpose of the Study:

To elucidate the various etiologies of posterior ankle impingement.
To differentiate between bony and soft tissue causes of posterior ankle pain.

Main Methods:

Review of anatomical structures involved in posterior ankle impingement.
Classification of impingement based on affected tissues (bony vs. soft tissue).

Main Results:

Bony impingement often involves an os trigonum or prominent trigonal process.
Soft tissue impingement can result from the posterior tibiotalar ligament (posteromedial) or the posterior intermalleolar ligament (posterolateral).
Anomalous muscles are also identified as a cause.

Conclusions:

Posterior ankle impingement has diverse causes, including osseous, ligamentous, and muscular origins.
Accurate diagnosis requires understanding the specific anatomical structures involved.