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Radar tech could spot hidden injury risks in soldiers

NCT ID NCT05521126

Knowledge-focused Sponsor: Milton S. Hershey Medical Center 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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 explores whether micro-Doppler radar, a type of motion-sensing technology, can tell if someone has had ACL knee surgery just by watching how they move. Researchers will compare movement patterns from 181 adults—some with past ACL repairs and some without—while they do simple activities like jumping and walking. The goal is to see if this radar can accurately identify those at higher risk for future musculoskeletal 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.

Participants

181 people

The number who actually took part.

Started

Feb 2023

Expected to finish

Aug 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

ACL repair cohort: Penn State Health Bone and Joint clinic control cohort: Penn State University/College of Medicine students and employees, Lebanon Valley College students, community sample

Ages

18 to 40 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: High risk cohort * age 18-40 * history of ACL reconstruction * no current musculoskeletal injuries * ACL repair between 9 and 24 months prior to recruitment Control cohort * age 18-40 * never had lower extremity surgery Exclusion Criteria: High risk cohort * age \<18 or \>40 * pregnancy * institutionalization * history of cerebral vascular accident * unable to provide informed consent * inability to perform study activities * history of hip or knee replacement * inability to walk or jump without a limp * current neuromuscular disease * any surgery in the last 6 months Control cohort * age \< 18 or \> 40 * pregnancy * institutionalization * history of Cerebral Vascular Accident * unable to provide informed consent * inability to perform study activities * history of knee or hip replacement * inability to walk or jump without a limp * current neuromuscular disease * history of lower extremity surgery * any surgery in the last 6 months

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Conditions

The condition(s) this trial relates to.

Anterior Cruciate Ligament Injuries injury

As listed by the trial registrant

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

Anterior cruciate ligament injuries Musculoskeletal injury

Contacts and locations

Locations

  • Lebanon Valley College

    Annville, Pennsylvania, 17003, United States

  • Pennsylvania State University College of Medicine

    Hershey, Pennsylvania, 17033, United States

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