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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: Apr 12, 2026

Evaluating Postural Control and Lower-extremity Muscle Activation in Individuals with Chronic Ankle Instability

Evaluating Postural Control and Lower-extremity Muscle Activation in Individuals with Chronic Ankle Instability

Published on: September 18, 2020

[Sensorimotor Deficits in Functional Ankle Instability].

S Steib¹, K Pfeifer¹

¹Institut für Sportwissenschaft und Sport, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen.

Zeitschrift Fur Orthopadie Und Unfallchirurgie

|May 27, 2015

Summary

This summary is machine-generated.

Lateral ankle sprains frequently lead to chronic ankle instability due to sensorimotor deficits, not just mechanical issues. Understanding these sensorimotor impairments is key to managing functional ankle instability.

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Last Updated: Apr 12, 2026

Evaluating Postural Control and Lower-extremity Muscle Activation in Individuals with Chronic Ankle Instability

Evaluating Postural Control and Lower-extremity Muscle Activation in Individuals with Chronic Ankle Instability

Published on: September 18, 2020

A Mouse Model of Ankle-Subtalar Complex Joint Instability

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Published on: October 28, 2022

A Human-machine-interface Integrating Low-cost Sensors with a Neuromuscular Electrical Stimulation System for Post-stroke Balance Rehabilitation

A Human-machine-interface Integrating Low-cost Sensors with a Neuromuscular Electrical Stimulation System for Post-stroke Balance Rehabilitation

Published on: April 12, 2016

Area of Science:

Sports Medicine
Neuroscience
Biomechanics

Context:

Lateral ankle sprains are highly prevalent sports injuries, affecting 25-30% of all injuries.
A significant portion of individuals experience chronic ankle instability, termed functional ankle instability (FAI), often without mechanical joint insufficiencies.
FAI is increasingly linked to underlying sensorimotor control system impairments.

Purpose:

To review and synthesize current literature on sensorimotor control in individuals with functional ankle instability.
To explore the role of proprioception, postural control, muscle strength, and reflex activity in the etiology of FAI.
To contextualize findings within established neurophysiological models of joint instability.

Summary:

Sensorimotor deficits, including impaired proprioception and postural control, are implicated in the development of functional ankle instability.
Reduced muscle strength and altered reflex activity are also suggested contributors to FAI.
This review consolidates evidence on sensorimotor control alterations in FAI, linking them to neurophysiological instability models.

Impact:

Highlights the critical role of sensorimotor control in managing and potentially preventing chronic ankle instability after sprains.
Provides a foundation for developing targeted rehabilitation strategies focusing on sensorimotor retraining.
Informs clinical practice and future research directions for addressing functional ankle instability.