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ACL recovery: muscle strength vs. mental readiness – which matters more?

NCT ID NCT07259083

Knowledge-focused Sponsor: Johannes Kepler University of Linz 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study followed 30 people who had ACL reconstruction surgery 1 to 4 years earlier. Researchers measured their leg muscle strength using a special machine and their mental readiness using a questionnaire. The goal was to see if there's a link between physical strength and psychological confidence when deciding to return to sports.

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 could help doctors create better guidelines for when it's safe and smart to return to sports after ACL surgery.
What could go wrong
This is a small, completed observational study with only 30 people. It looks for links, not causes, so it won't prove what works best for recovery.

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

30 people

The number who actually took part.

Started

Apr 2025

Finished

Dec 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

Physically active adults who underwent unilateral ACL reconstruction 1 to 4 years ago

Ages

18 to 50 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: * Primary unilateral ACL reconstruction 1 to 4 years prior testing * Physically active * 18-50 years * Medical approval for maximum loads Exclusion Criteria: * Bilateral Knee injury * Pregnancy * Acute pain (VAS ≥ 3) * Extremely limited mobility * Extreme joint instability * Acute injuries * Inflammation * Fever

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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 reconstruction

Contacts and locations

Locations

  • Kepler University Clinic, Dept. of Physical Medicine & Rehabilitation

    Linz, 4021, Austria

More trials for these conditions

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