Hybrid Telerehabilitation for Anterior Knee Pain in Routine Physiotherapy Practice

Inclusion Criteria: * Age 18 years or older. * Clinical diagnosis of anterior knee pain, including patellofemoral pain, patellar tendinopathy, Hoffa's fat pad syndrome, chondromalacia, or femoropatellar, tibiopatellar, or tibiofemoral osteoarthritis not requiring surgery. * Access to a smartphone compatible with the moveUP application. Exclusion Criteria: * Currently awaiting spine or lower-limb surgery. * Lower-limb surgery or other invasive intervention within the previous two years. * Joint prosthesis. * Acute trauma to the trunk or lower limbs, or fracture, dislocation, or other musculoskeletal pathology of the affected lower limb within the previous six months. * Saphenous nerve neuritis or Ehlers-Danlos syndrome. * Severe osteoarthritis requiring joint replacement, systemic inflammatory joint disease (including rheumatoid arthritis or gout), or joint infection. * Persistent low back pain lasting three months or longer. * Vascular, respiratory, or neurological conditions that interfere with participation. * Cognitive or psychiatric impairment limiting application use or communication. * Pregnancy.