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Vibration therapy may reduce second ACL injury risk

NCT ID NCT07681193

Disease control Sponsor: University of North Carolina, Chapel Hill 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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 02, 2026 · Last updated Jul 02, 2026

Summary

This study investigates whether a single session of whole-body vibration can improve how people with a history of anterior cruciate ligament (ACL) reconstruction land from a jump. Poor landing mechanics are linked to a higher risk of re-injury. Participants stand on a vibrating platform for short bouts, and researchers measure knee angles, forces, and muscle function during landing tasks. The goal is to see if vibration can temporarily improve control and reduce strain on the knee.

What this could mean

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

Active substance
Whole-body vibration
What this could lead to
If effective, whole-body vibration could become a simple, drug-free way to improve landing mechanics and reduce the risk of a second ACL injury after reconstruction.
What could go wrong
This is a small, early-stage study testing only an immediate effect. It is not yet known whether any benefits last or translate into fewer real-world injuries.

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

36 people

The number who actually took part.

Started

Sep 2021

Finished

May 2022

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

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: * Between the ages of 18-35 * History of primary, unilateral ACLR * Medically cleared for unrestricted physical activity Exclusion Criteria: * More than 5 years removed from ACLR * Currently pregnant * History of other lower extremity surgery * History of lower extremity injury in previous 6 months * History of neurological disorder * Maximal isometric quadriceps torque \> 3.0 Nm/kg in the ACLR limb

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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.

Acl injury Acl tear Anterior cruciate ligament injuries Anterior cruciate ligament tear Biomechanical phenomena

Contacts and locations

Locations

  • Univesrity of North Carolina at Chapel HIll MOTION Science Institute

    Chapel Hill, North Carolina, 27599, United States

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