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Although strengthening exercises for people with knee osteoarthritis (OA) reduce pain and improve function, this therapy is underutilized because of limited access to trainers and lack of specific digital programs. In this randomized trial, Australian researchers evaluated changes in knee pain among 180 OA patients (mean age, 60) who were given access to a custom-built website with information about OA and the importance of exercise and physical activity. Controls had access to the website, but access to the individualized strengthening regimen and physical activity guidance were removed. Intervention patients had access to the entire website plus a prescription for 24 weeks of the individualized self-directed strengthening and physical act…