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Ankle vs. knee: which injury wobbles you more?

NCT ID NCT07508163

Knowledge-focused Sponsor: Cairo University Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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 Results may not be published yet.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
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

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at how two common leg injuries—ankle sprains and kneecap pain—affect balance in different directions. Researchers will measure stability in 90 people using a special balance machine. The goal is to find out if each injury causes a unique type of balance problem, which could lead to better treatments.

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.

Participants

About 90 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Mar 2026

An estimate. Start dates often move.

Expected to finish

Apr 2026

An estimate. End dates often move.

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

a total of 90 participants (30 per group) will be required to participate in the study taking into consideration 10% drop out. Participants of both sexes with ages of 20 to 30 years will be recruited and assigned into three groups: individuals with lateral ankle sprain (LAS), individuals with patellofemoral pain syndrome (PFPS), and healthy control participants. All participants will have normal cognitive function and the ability to understand and follow instructions required for balance assessment.

Ages

20 to 30 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: Inclusion criteria for the lateral ankle sprain group will include participants with a clinically confirmed history of unilateral lateral ankle sprain, who are at least three months post-injury to avoid acute inflammatory effects, and who report residual symptoms such as pain or functional limitation. Participants in the patellofemoral pain syndrome group will have a clinical diagnosis of patellofemoral pain syndrome characterized by anterior or retropatellar knee pain aggravated by functional activities such as stair climbing, squatting, or prolonged sitting, with symptoms persisting for at least three months. Healthy control participants will have no history of lower limb musculoskeletal injury, pain, or functional impairment within the past three months and will be matched to the patient groups based on age and sex. All participants across groups will be able to stand independently without assistive devices and will demonstrate sufficient cognitive ability to understand and follow study instructions Exclusion Criteria: Exclusion criteria for all groups will include a history of lower limb fracture or surgery, neurological or vestibular disorders that may affect balance or postural control, uncorrected visual impairments, systemic inflammatory or rheumatological diseases, and metabolic or neurological conditions known to influence neuromuscular performance. Participants currently engaged in structured balance, proprioceptive, or neuromuscular training programs, as well as those taking medications that may affect balance or postural stability, will also be excluded from the study.

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Conditions

The condition(s) this trial relates to.

ankle injury patellofemoral pain syndrome

As listed by the trial registrant

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

Ankle sprains Comparing overall, mediolateral, and anteroposterior postural stability in las, PFPS, and healthy controls Patellofemoral pain syndrome

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  2. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

More trials for these conditions

Other studies related to the condition(s) this trial covers.