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105The app also offers health tips, lifestyle tips, and exercise tutorials. Although damage to knee joints cannot be reversed, patients can manage their symptoms through lifestyle changes such as losing weight and exercising regularly to strengthen their leg muscles. %u201cThat%u2019s why the app comes with an AR feature to guide users through training at home, showing them the correct posture, measuring their range of motion, and tracking their progress,%u201d says Dr Wen. The app is especially useful for remote communities without access to physiotherapy clinics, and for patients to manage their symptoms between physiotherapy appointments.Multi-faceted knee osteoarthritis risk prediction and prognosis systemCurrent clinical practice lacks an effective triage process for individuals suffering from knee osteoarthritis. Given Hong Kong%u2019s rapidly ageing population, knee osteoarthritis is increasingly common, while public healthcare professionals often fail to address patients%u2019 needs promptly. To address this shortcoming, Dr Wen%u2019s team uses a combination of big data analytics and AI to assess a patient%u2019s risk of requiring knee replacement surgery in the future. This assessment takes into account a range of clinical data, including a patient%u2019s demographics, self-reported JOINT EFFORT