There are a variety of ways inclusion body myositis (IBM) is diagnosed. Physicians will check for a specific kind of weakness in the body, perform an EMG, and check the muscle enzymes. These tests help differentiate IBM from other kinds of inflammatory muscle disease. In this video, Dr. Lisa Christopher-Stine, the Director of the Johns Hopkins Myositis Center, explains how to confirm an Inclusion Body Myositis (IBM) diagnosis.