Low-Intensity Blood Flow Restriction Training as a Pre-Operative Rehabilitative Modality to Improve Post-Operative Outcomes for ACL Reconstruction

Inclusion Criteria: * Subjects must be between 13 and 40 years old * Subjects must have been previously diagnosed with a tear of the anterior cruciate ligament in one of the lower extremities that requires surgical reconstruction * Subjects must be able to understand study procedures and comply with them for the entire duration of the study * Subjects must have normal contralateral limb strength Exclusion Criteria: * Subjects with any personal history of deep vein thrombosis or with such history in their immediate family * Subjects who have any multi-ligamentous injuries to the knee that require modified post-operative unloading * Subjects who have history of previous anterior cruciate ligament reconstructions in either the affected or unaffected leg * Subjects with an inability or unwillingness of individual or legal guardian to give written informed consent