This video describes multiple Muscular pathologies and dystrophies. Namely Duchenne Muscular dystrophy and Becker's dystrophy. The clip includes causes, genes involved, symptoms, diagnosis and risk factors. TIMELINE: 0:04 Introduction 0:30 Causes 1:16 Dystrophin Gene 4:12 Symptoms 5:22 Diagnosis 5:40 Treatment 6:02 Associated risk factors 7:19 End