Restoration of Knee Extension After ACL Reconstruction

Starting soon · Phase 1

Conditions studied: Knee, ACL

In brief

The purpose of this study is to determine whether the addition of a home-based high-intensity knee extension stretching device (Ermi Knee Extensionater) to standard postoperative physical therapy improves recovery of full knee extension following ACL reconstruction compared with standard physical therapy alone.

Key facts

Study ID

NCT07685561

Run by

University of Alabama at Birmingham

People needed

58

Starts

2026-08-01

Expected to finish

2032-03-01

Last updated by the study team

2026-07-06

Who can join

Age: 14 and older, up to 65. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Age 14-65 yo
• Primary ACLR (BTB auto ONLY)
• Prior ACL tear treated non-op

You may not qualify if…

• Revision ACL surgery
• Major concomitant ligament reconstruction
• Neurologic lower-extremity disorder
• Inability to complete rehab
• Cognitive impairment preventing consent

Where it is running

• University of Alabama at Birmingham — Birmingham, Alabama, United States

Full record on ClinicalTrials.gov

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