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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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Updated: Jul 17, 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

Proximally placed alignment control strap for ankle varus deformity: a case report.

Mooyeon Oh-Park¹, Geun Young Park, Sadvi Hosamane

¹Department of Rehabilitation Medicine, Albert Einstein College of Medicine, Montefiore Medical Center, Bronx, NY, USA. mohpark@pol.net

Archives of Physical Medicine and Rehabilitation

|January 9, 2007

Summary

A novel proximally placed alignment control strap effectively manages persistent ankle varus deformities. This ankle-foot orthosis (AFO) modification offers improved stability and overcomes limitations of current treatments.

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Area of Science:

Orthopedics
Biomechanics
Rehabilitation Engineering

Background:

Ankle varus, a common deformity in neurological and musculoskeletal disorders, impairs gait stability and can cause skin issues.
Current ankle-foot orthoses (AFOs) with supplementary features like T-straps have limited effectiveness in controlling persistent varus.
Existing AFO modifications often fail to fully correct varus deformities, necessitating alternative solutions.

Observation:

A proximally placed alignment control strap was investigated as a novel approach for ankle varus management.
This strap applies a medial force to the tibia and fibula, counteracting varus forces at the ankle.
The modification is easily integrated into existing AFOs with a favorable aesthetic profile.

Findings:

The proximally placed alignment control strap demonstrated successful control of manually correctable but persistent ankle varus deformities.
Two case studies illustrated the efficacy of this strap in improving ankle stability.
This innovative AFO modification addresses the limitations of conventional treatments for ankle varus.

Implications:

This approach offers a promising solution for managing persistent ankle varus deformities, enhancing patient mobility and comfort.
The findings suggest a potential for improved outcomes in patients with neurological or musculoskeletal conditions causing ankle instability.
Further research into this AFO modification could lead to broader clinical applications in orthotic management.