More than 30 rare muscular dystrophy types cause progressive muscle weakness from inherited gene mutations. Combined, they affect about 1 in 5,000 to 8,000 people. Common subtypes vary by age of onset ...

Becker muscular dystrophy (BMD) is a type of muscular dystrophy, a genetic condition that weakens and damages muscles. It can worsen with age. However, its symptoms are less severe than those of ...

The level of disability caused by muscular dystrophy varies widely depending on which of the many types of the disease a person has and when the symptoms of the disease first appear. For some people ...