External Focus of Attention Feedback to Reduce Risk of Non-contact ACL Injury
University of North Carolina, Charlotte
60 participants
Aug 15, 2021
INTERVENTIONAL
Conditions
Summary
Knee injuries, especially those to the ACL, are common among physically active people. Preventing these injuries from happening is critical to limiting the long-term pain, disability, and arthritis associated with these injuries. Our study is going to examine new ways to provide feedback about the way people move to determine if these are better at modifying movement patterns to prevent injury than current standard treatments. If you participate, you will be asked to undergo a movement analysis in a research laboratory while you perform tasks such as landing from a box and running and cutting. After this initial assessment, you will be randomly allocated to one of 3 treatment groups. Each treatment group will perform 4 weeks (3x/week) of exercises to change the way people land from a jump. Participants will then report for follow-up movement analysis testing 1- and 4-weeks after completing the intervention.
Eligibility
Inclusion Criteria1
- exercise 30+ minutes 3+ days/week
Exclusion Criteria9
- Body mass index >40 kg/m2
- History of lower extremity fracture or surgery to either limb
- History of ACL tear, meniscus, or collateral ligament injury at the knee to either limb
- History of ankle sprains to either limb
- History of musculoskeletal injury sustained in the 6 months prior to enrollment
- History of concussion or neurological disorders that may influence electroencephalography activity
- Visual or hearing impairments that would limit receiving the appropriate feedback
- Inability to comprehend and repeat back directions in English
- Current smoker
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Interventions
Participants will complete 12 sessions over a 3-week period of functional movement retraining while receiving mirror feedback. Participants will be instructed to perform each functional task in a manner that keeps their knee in line with their toes.
Participants will complete 12 sessions over a 3-week period of functional movement retraining while receiving visual feedback via laser. Participants will be instructed to perform each functional task in a manner that does causes the laser to move up and down but not side-to-side.
Participants will complete 12 sessions over a 3-week period of functional movement retraining while receiving auditory feedback. Participants will be instructed to perform each functional task in a manner that does not cause the auditory tool to elicit a noise.
Locations(1)
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NCT04914689