Bowlegs and agility: a new test for young footballers

NCT ID NCT07798869

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First seen Sep 01, 2026 · Last updated Sep 04, 2026 · Updated 3 times

Summary

This observational study compares change-of-direction and reactive agility performance between youth football players with and without genu varum, commonly known as bowlegs. Researchers will measure lower-limb alignment and use the SpeedCourt system to test how quickly players change direction and react to visual cues. The study aims to see if leg alignment is linked to these performance measures. Participants are football players with at least five years of experience who train at least five days a week.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

What this could lead to
If a link is found, coaches might tailor training to help players with genu varum improve agility and reduce injury risk.
What could go wrong
This is a small observational study, so it cannot prove cause and effect. Results may not apply to all players or levels of play.

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Study facts

What this study's own registry entry says, in plain language.

Participants

34 people

The number who actually took part.

Started

Mar 2025

Finished

Jun 2025

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Who is studied

The study population consisted of male youth football players recruited from the academy of a professional football club based in Antalya, Türkiye. The football club competes in the Turkish Süper Lig, the highest tier of professional football in Türkiye.

Ages

13 to 19 years

Sex

Male participants only

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * At least five years of football experience * Participation in football training at least five days per week * Voluntary participation in the study Exclusion Criteria: * History of lower extremity surgery * Current musculoskeletal injury affecting performance

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Conditions

The condition(s) this trial relates to.

Genu Varum

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Akdeniz University

    Antalya, Turkey (Türkiye)

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