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A major challenge for the 1+m hip and knee arthroplasty procedures carried out annually in the US is to ensure adherence and quality of the rehabilitation effort that takes place outside the clinical setting. Challenges include motivating patients to exercise, to recall the precise technique of rehabilitation exercise, poor understanding of issues like self-care, walking aid technique, and post-surgical precautions. Failure to manage challenges can lead to longer recuperation times, hospital re-admittance, sub-optimal healing, and longer-term issues.
Our solution will provide a virtual therapist throughout the patient’s perioperative care where their smartphone’s motion sensors track limb movement during exercise performance to quantify activity and response to rehabilitation. The system focuses on patient education, interactive rehabilitation exercise feedback, progress monitoring, and patient:clinician communication. We propose a trial to evaluate clinical and cost effectiveness.