Prevalence of Functional Ankle Instability Among Professional Egyptian Players: a Cross-sectional Study

January 4, 2026 updated by: Abdelrahman Sherif Maher Mohamed, Cairo University
To investigate the prevalence of functional ankle instability among professional Egyptian soccer players

Study Overview

Status

Enrolling by invitation

Conditions

Study Type

Observational

Enrollment (Estimated)

300

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

      • Cairo, Egypt
        • Cairo University

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Child
  • Adult

Accepts Healthy Volunteers

Yes

Sampling Method

Probability Sample

Study Population

Professional Egyptian soccer players

Description

Inclusion Criteria:

  • 1. Three Hundred Soccer players from both genders aged between 8-35 years old including junior teams (8-12 years old), Youth (13-20 years old) and Senior teams (21,>21 years old).

    2. Players have BMI 18-25 (kg/m²). 3. Players are registered in the Egyptian Soccer Association

Exclusion Criteria:

  • 1- Systematic pathology that affects balance, reflexes, or muscle strength 2- Lower limb fractures in the 2 years preceding the study 3- Surgery on one of the ankles 4- Structural malalignments 5- Plantar Fasciitis

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Prevalence of functional ankle instability among professional Egyptian soccer players
Time Frame: 4 months
4 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

December 1, 2025

Primary Completion (Actual)

December 1, 2025

Study Completion (Estimated)

June 1, 2026

Study Registration Dates

First Submitted

January 4, 2026

First Submitted That Met QC Criteria

January 4, 2026

First Posted (Actual)

January 14, 2026

Study Record Updates

Last Update Posted (Actual)

January 14, 2026

Last Update Submitted That Met QC Criteria

January 4, 2026

Last Verified

January 1, 2026

More Information

Terms related to this study

Other Study ID Numbers

  • P.T.REC/012/006046

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

Clinical Trials on Ankle Instability

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