Duchenne/Becker muscular dystrophy is one of the most frequent muscular dystrophies. It is caused by the absence of
protein dystrophin due to a mutation in the dystrophin gene. Symptoms of DMD include delayed motor milestones,
difficult running or climbing stairs. Boys with DMD use the Gower´s maneuver to arise from floor. Cardiomyopathy and
respiratory failure most often occur in the third decade. Diagnostical process is based on clinical picture, blood tests results
(esp. elevated CK) and confirmation on molecular genetic base. Treatment aims to control symptoms to improve
quality of life. From 2015 drug called Translarna is used to treat DMD patients with nonsense mutation.