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Ankle Joint

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Related Experiment Video

Updated: Apr 9, 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

Noise-Enhanced Eversion Force Sense in Ankles With or Without Functional Instability.

Scott E Ross¹, Shelley W Linens², Cynthia J Wright³

¹University of North Carolina at Greensboro.

Journal of Athletic Training

|June 20, 2015

Summary

This summary is machine-generated.

Stochastic resonance stimulation (SRS) improved ankle force sense by reducing error magnitude and variability in individuals with functional ankle instability. However, SRS did not affect the direction of force reproduction errors.

Keywords:

chronic injuries error proprioception sensorimotor system stochastic resonance

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Area of Science:

Biomechanics
Neuroscience
Rehabilitation Science

Background:

Functional ankle instability is linked to impaired force sense.
Stochastic resonance stimulation (SRS) shows potential for addressing these sensory deficits.

Purpose of the Study:

To investigate the effect of SRS on improving force sense in individuals with functional ankle instability.

Main Methods:

A case-control study was conducted in a research laboratory setting.
Participants included 12 individuals with functional ankle instability and 12 with stable ankles.
The eversion force sense protocol assessed participants' ability to reproduce a target muscle tension under SRS and control conditions.

Main Results:

Stochastic resonance stimulation significantly reduced absolute error (P < .05) and variable error (P < .05) in force sense.
No significant main effects or treatment-by-group interactions were found for constant error (P > .05).

Conclusions:

SRS effectively decreased the overall magnitude and variability of force sense errors.
While SRS enhances muscle tension ability, it does not influence the directionality of force reproduction errors.
These findings suggest potential clinical applications of SRS in managing ankle instability.