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ACL Surgery Rehabilitation Study

People who suffer ACL injuries are at an increased risk for knee osteoarthritis, which can lead to chronic pain and disability. In this study, we want to learn if adding vibration to rehabilitation following ACL reconstruction surgery can improve how your joints move while walking. We also want to learn if this vibration can improve how your muscles work and your quality of life compared to rehabilitation alone. *This study is a collaboration with the UNC Sports Medicine Institute*

Age & Gender

  • 16 years ~ 35 years
  • Male, Female

Visit Availability

  • Standard business hours (M-F, 8-5)
  • Extended hours (M-F, early morning or evening)
  • Weekend hours, if needed
  • Visits can be combined with regular clinical appointments


North Carolina (Statewide)

What will be asked of you

You will participate in a 20-week physical therapy rehabilitation program. There are three groups in this study. All of the groups will receive standard care treatment, but groups will also receive different types of vibration. There will also be 3 study visits where we will do some assessments of how you are walking, your muscle function, and an MRI of your knees.


Up to $500, All rehabilitation/physical therapy costs will be covered by the study.

In-person visits:
Total length of participation:
1 year

Looking for Specific Volunteers

Able to participate:

  • You have recently had or are planning to have ACL reconstruction surgery

Not eligible if:

  • Multiple or previous ACL injuries
  • Previous surgery in either leg
  • Multiple ligament surgery
  • Injury to either leg in the past 3 months (other than ACL injury)
  • History of neurological disorder (e.g. stroke, multiple sclerosis)

Contact the Team

Visit Location

Contact & Visit Location

Primary Contact

Primary Visit Location

MOTION Science Institute
Fetzer Hall (UNC-Chapel Hill)
210 South Rd, Chapel Hill, NC 27514, USA

Secondary Visit Location

UNC Therapy Services
UNC Wellness Center at Meadowmont
100 Sprunt St, Chapel Hill, NC 27517, USA

Additional Study Information

Principal Investigator

Troy Blackburn
Exercise and Sport Science

Study Type

Clinical or Medical

Study Topics

Bones, Joints, Muscles

IRB Number


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