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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: Jul 29, 2025

A Mouse Model of Ankle-Subtalar Complex Joint Instability

A Mouse Model of Ankle-Subtalar Complex Joint Instability

Published on: October 28, 2022

Ankle Instability Update.

Alvaro Cerezal¹, Ronald Ocampo², Eva Llopis³

¹Department of Orthopaedic Surgery and Traumatology, Hospital Universitario La Paz, Madrid, Spain.

Seminars in Musculoskeletal Radiology

|May 25, 2023

Summary

Ankle sprains, often affecting the lateral ligament, can lead to chronic pain. Advanced imaging like MR imaging aids in diagnosing these complex injuries for better treatment.

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Area of Science:

Orthopedics and Sports Medicine
Radiology and Medical Imaging

Background:

Ankle sprains are common sports injuries, frequently involving the lateral ligament complex.
While most sprains heal with conservative care, 20-30% may result in chronic pain and instability.
Emerging concepts like microinstability and rotatory ankle instability may precede mechanical instability and associated injuries.

Purpose of the Study:

To highlight the diagnostic role of advanced imaging in ankle ligament injuries.
To emphasize the importance of precise diagnosis for effective therapeutic strategies.
To discuss new concepts in ankle instability and their implications.

Main Methods:

Review of current literature on ankle sprains and ligament injuries.
Focus on the application of magnetic resonance (MR) imaging and MR arthrography.
Discussion of arthroscopic advances and new concepts in ankle instability.

Main Results:

Lateral ligament complex is most frequently affected in ankle sprains (up to 85%).
Multi-ligament injuries and associated lesions are common.
MR imaging and MR arthrography are crucial for accurate diagnosis of ligament and associated injuries.

Conclusions:

Accurate diagnosis of ankle ligament injuries, including subtle instabilities, is essential.
Advanced imaging techniques are key to identifying complex lesions and guiding treatment.
Understanding new concepts in ankle instability can improve patient outcomes.