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New training method aims to stop ACL tears before they happen

NCT ID NCT04914689

Prevention Sponsor: University of North Carolina, Charlotte Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 tested whether giving people specific feedback about how they move can help prevent ACL knee injuries. 45 physically active adults did 4 weeks of jump training with either visual or auditory feedback. The goal was to see if these methods improve landing mechanics better than standard training.

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.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

45 people

The number who actually took part.

Started

Aug 2021

Finished

Mar 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.

Ages

18 to 35 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: * exercise 30+ minutes 3+ days/week Exclusion Criteria: * Body mass index \>40 kg/m2 * History of lower extremity fracture or surgery to either limb * History of ACL tear, meniscus, or collateral ligament injury at the knee to either limb * History of ankle sprains to either limb * History of musculoskeletal injury sustained in the 6 months prior to enrollment * History of concussion or neurological disorders that may influence electroencephalography activity * Visual or hearing impairments that would limit receiving the appropriate feedback * Inability to comprehend and repeat back directions in English * Current smoker

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Conditions

The condition(s) this trial relates to.

Anterior Cruciate Ligament Injuries

As listed by the trial registrant

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

Anterior cruciate ligament injuries

Contacts and locations

Locations

  • UNC Charlotte

    Charlotte, North Carolina, 28223, United States

More trials for these conditions

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