Understanding Second ACL Injury Risk with a Smart Sensor

Clinically Assessed Risk Factors for a Second ACL Injury Using an Innovative Wearable Sensor

NIH-funded research Virginia Polytechnic Inst and St Univ · NIH-11123992

This project aims to find out which factors, measured with a new wearable sensor, put adolescent athletes at risk for tearing their ACL again after surgery.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionVirginia Polytechnic Inst and St Univ NIH-funded
Lab location1 site (Blacksburg, United States)
Project IDNIH-11123992 on NIH RePORTER

What this research studies

Many young athletes who have ACL surgery and return to sports face a high risk of re-injuring their ACL. Doctors currently clear athletes based on standard tests, but these don't always catch subtle issues like muscle weakness or uneven movement patterns. This project uses a new wearable sensor to measure these movement patterns in a regular clinic setting, which is much easier than expensive lab tests. By combining traditional tests with data from this sensor, we hope to better understand who is truly ready to return to play safely. This could help prevent future injuries and improve long-term health for athletes.

Who could benefit from this research

Good fit: Ideal candidates would be adolescent athletes who have undergone ACL reconstruction and are preparing to return to sports.

Not a fit: Patients who have not had an ACL injury or reconstruction, or who are not adolescent athletes, would not directly benefit from this specific research.

Why it matters

Potential benefit: If successful, this work could lead to better ways for doctors to decide when an athlete is truly ready to return to sports after an ACL injury, potentially preventing a second injury.

How similar studies have performed: While lab-based studies have shown that movement asymmetries increase re-injury risk, this project introduces a novel approach to measure these asymmetries in a standard clinical setting using a wearable sensor.

Where this research is happening

Blacksburg, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Conditions ACL injury
Last reviewed 2026-06-09 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.