Diagnosis, Management, and Prevention of the Unstable Shoulder Arthroplasty

Instability after anatomic and reverse shoulder arthroplasty is one of the most common and challenging complications to manage. Understanding the risk factors for instability, its etiology, and management options is key to treating instability after arthroplasty. In this chapter we will discuss how to accurately diagnose and manage instability after anatomic and reverse total shoulder arthroplasty. Intraoperative assessments and techniques to prevent instability from occurring will also be reviewed.