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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...

Fractures: Bone Repair

Fractures: Bone Repair

Treatment for a fracture is based on the type of break, the bone affected, and the patient's age.
Minor fractures with no bone displacement are treated by immobilizing the fractured bone using a cast or splint. However, in the case of fractures with displaced bones, the broken bones are repositioned before immobilization to ensure successful healing without deformation and loss of function. The realignment of fractured bone ends is performed through a process called reduction. If the...

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Related Experiment Video

Updated: Jun 5, 2025

A Mini-Invasive Internal Fixation Technique for Studying Immobilization-Induced Knee Flexion Contracture in Rats

A Mini-Invasive Internal Fixation Technique for Studying Immobilization-Induced Knee Flexion Contracture in Rats

Published on: May 20, 2019

Temporary Circular External Fixation for Spanning the Traumatized Ankle Joint.

Nando Ferreira¹, Niel Bruwer¹, Adriaan Jansen van Rensburg¹

¹Division of Orthopaedic Surgery, Department of Surgical Sciences, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa.

JBJS Essential Surgical Techniques

|December 12, 2024

Summary

This summary is machine-generated.

Temporary circular external fixation offers superior ankle fracture stability and soft-tissue access compared to traditional methods. This technique ensures better reduction and maintenance of alignment for improved surgical planning and outcomes.

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Creating Rigidly Stabilized Fractures for Assessing Intramembranous Ossification, Distraction Osteogenesis, or Healing of Critical Sized Defects

Creating Rigidly Stabilized Fractures for Assessing Intramembranous Ossification, Distraction Osteogenesis, or Healing of Critical Sized Defects

Published on: April 11, 2012

Area of Science:

Orthopedics
Trauma Surgery
Biomedical Engineering

Background:

Temporary ankle-spanning circular fixation provides osseous stability, soft-tissue access, and imaging capabilities for peri-articular fractures.
Conventional monolateral fixators present challenges such as half-pin site morbidity and construct instability.

Purpose of the Study:

To evaluate the effectiveness of temporary ankle-spanning circular external fixation in managing ankle trauma.
To compare circular fixation with monolateral fixation for initial fracture reduction and stability.

Main Methods:

Assembly of a circular external fixator involving tibial and foot rings connected by adjustable struts.
Reduction of the fracture and locking of the struts for stabilization.

Main Results:

Circular external fixation demonstrated superior initial reduction (100% good/excellent) compared to monolateral fixation (91%).
Maintenance of reduction was also significantly better with circular fixators (96%) versus monolateral ones (78%).

Conclusions:

Temporary circular external fixation is an effective method for stabilizing ankle fractures, facilitating soft-tissue management, and enabling surgical planning.
This technique offers improved reduction and maintenance of alignment compared to traditional monolateral fixators.