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.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
45
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.
VA Palo Alto
Palo Alto, California, United States
RECRUITINGKnee Adduction Moment
Knee Joint Loading (%Bw\*Ht) will be assessed at baseline and immediately after gait retraining
Time frame: Change from baseline to immediately after 8 weeks of retraining
Medial knee compartment qMRI
Changes to quantitative MRI measures at 6 months after retraining will be correlated with changes to joint loading
Time frame: Change from baseline to 6 months after retraining
Knee Adduction Moment
Knee Joint Loading (%Bw\*Ht)
Time frame: Change from baseline to 3 months after retraining
Knee Adduction Moment
Knee Joint Loading (%Bw\*Ht)
Time frame: Change from baseline to 6 months after retraining
Serum inflammatory markers
Changes to serum inflammatory markers immediately after the end of training from baseline will be correlated with changes to joint loading
Time frame: Change from baseline to immediately after 8 weeks of retraining
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