Becker muscular dystrophy

Becker muscular dystrophy (BMD) is a less severe form of Duchenne muscular dystrophy (DMD). It is a hereditary condition characterized by progressive muscle weakness and degeneration. BMD arises from mutations in genes responsible for muscle structure and function, specifically affecting the production of a protein called dystrophin. While some functional dystrophin is produced in BMD, unlike in DMD where it's absent, this difference leads to a slower progression of the disease.123

Symptoms typically appear in later childhood or adolescence. Individuals with BMD may experience muscle weakness that allows them to function into adulthood, though with certain limitations. The exact pathology involves the eventual replacement of muscle fibers with scar tissue and fat, leading to a loss of strength and function.3