ABSTRACT
Valgus extension overload most commonly affects overhead athletes. The repetitive forces on the elbow cause chondromalacia, osteophytes, and possible loose bodies localized to the posteromedial aspect of the olecranon. For isolated posteromedial impingement, elbow pain is localized to the medial aspect of the olecranon and is present in both the acceleration and deceleration phases of throwing. Patients may report limited extension, which is caused by impinging posterior osteophytes or locking and catching from loose bodies. Pain localized to the posterior compartment may be elicited by the examiner by manipulating the elbow in pronation, valgus, and forced extension.
