This video tells us about Congenital abnormality of muscles Known as Congenital dystrophy. The clip covers mutations, types, presentations and working diagnoses related to CD. Congenital muscular dystrophies and congenital myopathies are a heterogeneous group of disorders resulting in hypotonia, progressive muscle weakness. TIMELINE: 0:09 Introduction 0:30 Core Myopathies 1:29 Types of mutations 2:20 Presentations 2:54 Work up or Diagnosis 3:20 Malignant Hyperthermia 4:00 Treatment 5:03 End