More than 30 types of muscular dystrophy have been identified. They all cause problems with movement due to muscle protein defects caused by genetic mutations. Muscular dystrophy is a group of ...

Repeated exercise, or wasting, can change the way key genes work.

Biomedical engineers have grown muscles in a lab to better understand and test treatments for a group of extremely rare muscle disorders called dysferlinopathy or limb girdle muscular dystrophies 2B ...

Musculoskeletal (MSK) disorders affect the muscles, bones, joints, and tissues. In children, they may be due to infection, cancer, inflammatory arthritis, or progressive muscle disorders. MSK ...

Musculoskeletal disorders affect the bones, joints, muscles, and connective tissue. Many musculoskeletal disorders may occur in children, and some types are more common than others. Musculoskeletal ...

For some young men and boys, body building can lead to unhealthy behaviors. NPR's Juana Summers speaks with NYU psychologist Andrea Vazzana about compulsive exercise and eating disorders in males.