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Pediatric ACL Walking, Jumping, and Cutting

Many young athletes who tear their ACL have trouble getting back to sport or suffer a second ACL injury once they do. We aim to improve athletes' ability to get back to sport safely. We want to make the activities athletes perform in rehabilitation more closely match the demands of what they do once they return to their sport. We also aim to develop low-cost ways to measure how the knee is moving during those activities. *This study is a collaboration with the UNC Sports Medicine Institute*

Age & Gender

  • 7 years ~ 25 years
  • Male, Female, Gender Inclusive

Visit Availability

  • Standard business hours (M-F, 8-5)
  • Extended hours (M-F, early morning or evening)
  • Weekend hours, if needed

Location

United States (Nationwide)

What will be asked of you

At the first visit, you will meet a member of the study team and fill out questionnaires. You will perform walking, jumping, and cutting tasks using 3D motion capture technology. You will perform visual-cognitive tasks (like reaction time). You will also have your quad strength tested. At the second visit one week later, you will perform jumping and cutting tasks again.

Incentives

Individuals between 7-17 years old will receive a $50 gift card for participating in the walking assessment. If you live >25 miles away from UNC, you will also be eligible for a one-time $25 travel voucher. , After completing the jumping assessment visits, you will receive a report outlining their performance on jumping and cutting tasks, strength testing and survey results (if interested).

In-person visits:
1-2
Total length of participation:
1 week

Looking for Specific Volunteers

Able to participate:

  • You have had an ACL Reconstruction
  • It has been 6-24 months since your surgery
  • You can participate in running and jumping activities in physical therapy or in sport

Not eligible if:

  • You are colorblind

Looking for Healthy Volunteers

Requirements for healthy volunteers are different than for those with a specific condition. If you are interested in becoming a healthy volunteer for this study, use the below categories to determine if you are able to participate.

Able to participate:

  • You are a healthy athlete who has never torn an ACL

Not eligible if:

  • You are colorblind

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

Additional Study Information

Principal Investigator

Elizabeth Bjornsen
Exercise and Sport Science

Study Type

Clinical or Medical
Observational

Study Topics

Healthy Volunteer or General Population
Surgery and post-operative healing
Movement

IRB Number

22-1599

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