NIH-funded research R15 grant

Improving quadriceps muscle function after ACL surgery using brain stimulation

Official title: Determining the effects of non-invasive brain stimulation to improve quadriceps muscle function after ACL reconstruction.

Funded at Arcadia University · NIH-11124552 · Data updated 2026-11-12

This study is looking at how a gentle brain stimulation technique can help improve the strength and function of your thigh muscles as you recover from ACL surgery, making your rehabilitation process easier and more effective.

Quick facts

Grant typeR15 grant
Study typeNIH-funded research
Funding institutionArcadia University
NIH-funded
Lab location1 site (Glenside, United States)
Project startJune 6, 2025
Project endMay 5, 2026
Funding year2025
Award (this year)$520,154
NIH project number1R15HD118518-01
Project IDNIH-11124552 on NIH RePORTER

Who could benefit from this research

Could help

Ideal candidates for this research are individuals who have recently undergone ACL reconstruction and are experiencing quadriceps muscle impairments.

Less likely to help

Patients who have not had ACL surgery or those with pre-existing neurological conditions may not benefit from this research.

What this research studies

This research investigates how non-invasive brain stimulation can enhance quadriceps muscle function in patients recovering from anterior cruciate ligament (ACL) reconstruction. The study aims to address persistent muscle impairments that can lead to long-term complications like post-traumatic knee osteoarthritis. By applying a technique called anodal transcranial direct current stimulation (tDCS), the researchers hope to improve neural drive to the quadriceps, which may enhance rehabilitation outcomes. The project will involve monitoring muscle performance and movement patterns in participants to assess the effectiveness of this innovative approach.

Why it matters

Potential benefit: If successful, this research could lead to improved rehabilitation strategies that significantly enhance recovery and reduce the risk of long-term knee issues for ACL reconstruction patients.

How similar studies have gone: While the use of non-invasive brain stimulation in rehabilitation is a relatively novel approach, preliminary studies have shown promising results in enhancing muscle function in other contexts.

Where this research is happening

  • Arcadia University
    Glenside, United States
    Active

Researchers

  • Principal investigator: Zarzycki, Ryan D — Arcadia University
  • Study coordinator: Zarzycki, Ryan D

Related research

Other NIH-funded projects on the same topics.

  • Graft Remodeling and Joint Degeneration after ACL Reconstruction in the Growing Knee Joint

    This grant focuses on how ACL reconstruction in growing kids and teens affects knee grafts and long-term joint health.

    NIH research North Carolina State University Raleigh · Raleigh, United States · NIH-11416619

  • Using clinic videos to spot risk of a second ACL injury after reconstruction

    This project uses easy-to-take clinic videos and wearable sensors to find movement patterns that may predict a second ACL injury in people who've had ACL reconstruction.

    NIH research Univ of North Carolina Chapel Hill · Chapel Hill, United States · NIH-11261253

  • Options for a second (revision) ACL surgery

    This work looks at how different surgical approaches and patient factors relate to long-term outcomes for people having a second ACL reconstruction.

    NIH research Vanderbilt University Medical Center · Nashville, United States · NIH-11169935

  • How walking and physical activity affect knee health after ACL surgery

    This study is looking at how walking and activity levels affect knee health in young adults who have had ACL surgery, aiming to find ways to prevent long-term pain and joint issues during their first year of recovery.

    NIH research Michigan State University · East Lansing, United States · NIH-11091593

  • Predicting second injuries after ACL surgery using video technology

    This study is looking at how to help people who have had ACL surgery avoid getting hurt again by tracking their movements and activities for 18 months, so we can learn more about what might lead to a second injury.

    NIH research Univ of North Carolina Chapel Hill · Chapel Hill, United States · NIH-11041104

  • Improving walking patterns after ACL surgery

    This study is testing a new walking program to help people recover better after ACL surgery by teaching them a special way to walk that could make their knees feel better and prevent future problems.

    NIH research University of Connecticut Storrs · Storrs-Mansfield, United States · NIH-10909149

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.
Last reviewed 2026-11-14 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.