Elbow pain is a commonly occurring symptom in primary care. The diagnosis of this symptom requires elimination of many conditions with similar presentation and a logical step-by-step approach to the history as well as a series of functional investigations. Non-traumatic elbow pain can be caused by different pathologies in any component of the joint including tendons, bursae, bones, nerves and muscles. For that reason, in the present study we propose a mathematical model based on the generalized

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... net theory, which highlights the diagnostic steps for patients with non-traumatic elbow pain.