Anterior Cruciate Ligament Reconstruction
Conditions
Brief summary
The purpose of this study is to determine changes to knee joint loading, biological markers, and cartilage structure following a novel active feedback gait retraining program in anterior cruciate ligament reconstructed patients.
Interventions
The device measures pressure/force under the lateral side of the foot and activates vibration if loading crosses a set threshold. The location of the vibration is customized for each subject to achieve maximal sensitivity.
Sponsors
Study design
Eligibility
Inclusion criteria
* age 18-40 years * history of primary ACLR with or without meniscal repair * full weight-bearing status * neutral to varus knee alignment * plans to remain in the area for at least 8 months.
Exclusion criteria
* Kellgren-Lawrence (KL) radiographic grade \> 2 * additional injury or surgery to the involved knee * BMI \>30 kg/m2 * use of walking, orthopedic, or prosthetic assistive device * pregnancy * inability to have MRI
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Knee Adduction Moment | Change from baseline to immediately after 8 weeks of retraining | Knee Joint Loading (%Bw\*Ht) will be assessed at baseline and immediately after gait retraining |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Medial knee compartment qMRI | Change from baseline to 6 months after retraining | Changes to quantitative MRI measures at 6 months after retraining will be correlated with changes to joint loading |
| Knee Adduction Moment | Change from baseline to 3 months after retraining | Knee Joint Loading (%Bw\*Ht) |
| Serum inflammatory markers | Change from baseline to immediately after 8 weeks of retraining | Changes to serum inflammatory markers immediately after the end of training from baseline will be correlated with changes to joint loading |
Countries
United States