This video tells us about a muscle pathology Myotonic dystrophy, its types, expansions, causes, symptoms, treatment, prognosis and conclusion at the end. Myotonic dystrophy (DM) is a form of muscular dystrophy that affects muscles defined as an inability to relax muscles at will. TIMELINE: 0:20 Introduction 1:05 Types of Myotonic disorder Types 1,2 3:07 Repeated expansion 4:26 DMPK and CNBP 5:59 Symptoms type 1 6:29 Symptoms type 2 7:22 Diagnosis 7:46 Treatment 8:02 Conclusion 9:05 End