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Updated: Jun 15, 2025

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Evaluating Postural Control and Lower-extremity Muscle Activation in Individuals with Chronic Ankle Instability
Published on: September 18, 2020
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Biomechanical and Physiological Variables in Dynamic and Functional Balance Control during Single-Leg Loading in
Chairat Phuaklikhit1,2, Thanwarat Junsri2, Seiji Saito3
1Graduate School of Design, Kyushu University, Fukuoka 815-8540, Japan.
Sports (Basel, Switzerland)
|August 28, 2024
Summary
This review highlights the Star Excursion Balance Test as a key assessment for chronic ankle instability. It identifies common physiological and biomechanical measures used in dynamic balance evaluations.
Area of Science:
- Sports Medicine
- Biomechanics
- Physiology
Background:
- Chronic ankle instability (CAI) affects dynamic and functional balance.
- Understanding physiological and biomechanical characteristics is crucial for CAI assessment.
Purpose of the Study:
- To summarize tasks and outcomes in dynamic and functional balance assessments for individuals with CAI.
- To focus on the physiological and biomechanical characteristics of balance in CAI.
Main Methods:
- A comprehensive literature search was performed across major databases (PubMed, Scopus, Web of Science, MEDLINE).
- Studies evaluating dynamic/functional balance, clinical tests, and biomechanical/physiological outcomes in CAI were included.
- Searches were conducted in September 2023 and revised in April 2024.
Main Results:
- 31 out of 536 studies met the inclusion criteria, with 90% focusing on a history of ankle sprain.
- The Star Excursion Balance Test was the most common quantitative task (66%).
- Electromyography (23%) and center of pressure (55%) studies provided key physiological and biomechanical data.
Conclusions:
- The Star Excursion Balance Test is the preferred quantitative clinical assessment for CAI.
- Qualitative assessments focus on landing and center of pressure, with electromyography analyzing key ankle muscles.
- There's a need for more qualitative data on dynamic balance control, morphology, and center of mass adaptation in CAI.

