University of North Carolina, Chapel Hill
The purpose of this study is to determine the effects of real-time gait biofeedback delivered over a 6-week period on early markers of FastOA and conduct 6-week and 6-month follow-up assessments in anterior cruciate ligament reconstructed patients.
Inclusion Criteria: * Have completed all other formal physical therapy * Are between the ages of 16 and 35 * Underwent an anterior cruciate ligament reconstruction (ACLR) between 6 and 60 months prior to enrollment * Demonstrate underloading during gait (vGRF- impact peak \<1.12 x BW) Exclusion Criteria: * A multiple ligament surgery (i.e., PCL) * A lower extremity fracture (i.e., displaced tibial plateau fracture) * Knee osteoarthritis
The RTGBF interventions will include eighteen step gait training sessions. The intervention will gradually increase to 3,000 steps at the 5th session with 100% feedback. During the remaining sessions, the intervention will include 3,000 steps, but the feedback will be gradually tapered off starting with the 11th session.
The Sham RTGBF interventions will include eighteen step gait training sessions. The intervention will gradually increase to 3,000 steps at the 5th session with 100% feedback. During the remaining sessions, the intervention will include 3,000 steps, but the feedback will be gradually tapered off starting with the 11th session.
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