The goal of this single blinded clinical trial is to investigate blood flow restriction (BFR) for rehabilitation of patients after ankle ligament reconstruction surgery. Outcome measures will be compared between the standard of care (SoC) and BFR groups at the end of the study intervention. Following standard surgical procedures, both groups will undergo physical therapy by a certified physical therapist for a minimum of 6 weeks. The SOC group will receive standard physical therapy without use of BFR. The BFR group will receive physical therapy with BFR. Outcome measures of interest will be taken at the start of physical therapy (time 0) and at the end of physical therapy (minimum of 6 weeks of PT) for both groups. Outcome measures of interest include: * muscle atrophy; * ankle function; * fatigability/manual muscle testing; * pain scores; * cardiovascular effects (heart rate, blood pressure).
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Muscle atrophy measurement - gastrocnemius
Timeframe: baseline/Visit 1 (28 days + 7 days post-op), Visit 2 (63-70 days post op), Visit 3 (optional - upon completion of PT)
Muscle atrophy measurement - quadriceps
Timeframe: baseline/Visit 1 (28 days + 7 days post-op), Visit 2 (63-70 days post op), Visit 3 (optional - upon completion of PT)
Fatigability recovery using manual muscle testing (MMT)
Timeframe: baseline/Visit 1 (28 days + 7 days post-op), Visit 2 (63-70 days post op), Visit 3 (optional - upon completion of PT)
Foot and Ankle Disability Index (FADI)
Timeframe: baseline/Visit 1 (28 days + 7 days post-op), Visit 2 (63-70 days post op), Visit 3 (optional - upon completion of PT)
Pain Management - Visual analog scale
Timeframe: baseline/Visit 1 (28 days + 7 days post-op), Visit 2 (63-70 days post op), Visit 3 (optional - upon completion of PT)
Cardiovascular impact - heart rate
Timeframe: baseline/Visit 1 (28 days + 7 days post-op), Visit 2 (63-70 days post op), Visit 3 (optional - upon completion of PT)
Cardiovascular impact - blood pressure
Timeframe: baseline/Visit 1 (28 days + 7 days post-op), Visit 2 (63-70 days post op), Visit 3 (optional - upon completion of PT)