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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: Mar 7, 2026

Treatment of Ankle Osteoarthritis with Total Ankle Replacement Through a Lateral Transfibular Approach

Treatment of Ankle Osteoarthritis with Total Ankle Replacement Through a Lateral Transfibular Approach

Published on: January 24, 2018

The evolution of ankle arthroplasty.

¹Orthopädische Klinik, Frederiksberg Hospital Kopenhagen, Germany.

|March 2, 2017

Summary

Ankle arthroplasty results can be improved by designing prostheses that respect the ankle's natural anatomy and biomechanics. Careful surgical techniques and patient selection are crucial for successful outcomes.

Area of Science:

Orthopedic Surgery
Biomedical Engineering
Reconstructive Surgery

Background:

Ankle arthroplasty outcomes have historically lagged behind other joint replacements.
Understanding the complex anatomical, biomechanical, and biological factors of the ankle is key.

Purpose of the Study:

To review the critical features for successful total ankle prosthesis design.
To outline recommendations for improving ankle arthroplasty results.

Main Methods:

Literature review of existing ankle arthroplasty results.
Analysis of personal case series.
Evaluation of anatomical, kinasiological, biomechanical, and biological features.

Main Results:

Keywords:

Key words Ankle arthoplasty • Survey of results

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Modern ankle arthroplasty must preserve normal anatomy and kinasiology.

Prostheses should allow cylindrical mobility, congruency, and normal torque.

Cementless fixation in subchondral bone with only compressive forces is preferred.

Correct alignment of ankle and hindfoot axes is essential.

Meticulous surgical technique and specialized instruments are necessary.

Postoperative muscle power restoration and gait are vital for lasting success.

Conclusions:

Adherence to anatomical, biomechanical, and surgical principles can significantly improve ankle arthroplasty success rates.
Appropriate patient selection, including contraindications and activity modification, is critical.
Following these guidelines may reduce the average annual failure rate to below 1%.