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Knee pain in young athletes linked to hip and core weakness

NCT ID NCT07326046

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled This study
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

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Status unknown
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First seen Jun 27, 2026 · Last updated Sep 11, 2026 · Updated 2 times

Summary

This completed study looked at 75 elite teen track-and-field athletes, half with patellofemoral pain syndrome (PFPS) and half without. Researchers measured hip flexibility, core endurance, and knee alignment to see what factors are linked to knee pain. They found that athletes with PFPS had tighter hips, weaker core muscles, and poorer knee alignment, suggesting knee pain is about more than just the knee itself.

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 successful, this research could help identify key physical factors that contribute to knee pain in young athletes, guiding better prevention and rehabilitation strategies.
What could go wrong
This is an observational study, not a treatment trial, so it won't directly lead to a new therapy. The findings may not apply to non-athletes or older populations.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

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

Started

Mar 2025

Finished

Oct 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

Elite adolescent track-and-field athletes training within national athletic development programs.

Ages

15 to 18 years

Sex

Anyone

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: * Elite adolescent track-and-field athletes aged 15-18 years * Minimum 2 years of regular training participation * Training at least 5 days per week * Ability to complete all assessment procedures * PFPS group: history of anterior knee pain associated with activity, positive clinical provocation tests, and AKPS score \< 80 * Control group: no history of lower extremity pain or functional limitation Exclusion Criteria: * History of lower extremity surgery or acute injury within the past 6 months * Neurological, rheumatological, or systemic disease * Structural deformity of the hip, knee, or ankle * Ongoing orthopedic rehabilitation or regular analgesic / anti-inflammatory medication use * Any condition preventing participation in the tests or introducing measurement bias

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

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

Contacts and locations

Locations

  • Burcin Ugur Tosun

    Famagusta, 99010, Cyprus

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