Inclusion Criteria  Participants will be included if they:  Provide informed consent and sign a HIPPA form prior to any study procedures are performed Have completed all other formal physical therapy and therapeutic exercise regimens, and will not be engaging in any other formal therapy for their ACLR during the study Are between the ages of 18 and 35. Underwent an ACLR no earlier than 6 months and no later than 5 years prior to enrollment. Demonstrate < 8,000 steps per day during the screening phase of the study as assessed using the Actigraph GT9X Link monitor. Demonstrate clinically relevant-knee symptoms, defined as a Knee Injury and Osteoarthritis Outcomes Score (KOOS) quality of life subscale < 72.2  Exclusion Criteria  Participants will be excluded if:  The participant underwent an ACLR revision surgery due to a previous ACL graft injury. Had ACLR in both limbs Multiple ligament surgery was indicated at the time of ACLR surgery. A lower extremity fracture was suffered during the ACL injury. The participant has been diagnosed with osteoarthritis in either knee They have a cochlear implant, metal in body, claustrophobia, or history of seizures.