Review Question - QID 218075

A 58-year-old housekeeper sustained a ground-level fall while mopping a client's floor earlier this morning. She attempted to catch her fall by extending her left arm and elbow, reports that the elbow felt like it popped out of place, and now has been unable to bend it or use the extremity since that time. She presents to the emergency room and you are consulted after the radiographs seen in Figures A-C are obtained. When counseling the patient on the outcomes of the best-indicated treatment for her presenting problem, which of the following represents the most common complication?