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What causes Becker muscular dystrophy (BMD)?

Duchenne and Becker muscular dystrophy are names for the same disorder caused by genetic mutations in the DMD gene.  The DMD gene makes a protein called dystrophin.  It is located on the X chromosome, which means that boys inherit the mutation from their mothers. This leads to symptoms such as muscle weakness and difficulty with walking or running, which are apparent by age 5 in Duchenne or later in Becker.

Continue Learning about Muscular Dystrophy

How many people are affected with muscular dystrophy (MD)?
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Muscular dystrophy (MD) occurs worldwide, affecting all races. Its incidence varies, as some forms a...
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What is the link between fasciculation and muscular dystrophy?
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Muscular dystrophy (MD) is a group of nervous system disorders that inevitably cause muscle weakness...
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Is muscular dystrophy life-threatening?
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Depending on the type of muscular dystrophy, the disease can be life-threatening. Most of the time, ...
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How quickly does muscular dystrophy progress?
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The symptoms of all types of muscular dystrophy progress and worsen over time, but the progression d...
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.