Spinal muscular atrophy (SMA) is a genetic neuromuscular condition caused by mutations in the SMN1 gene. SMA is characterized by symmetrical progressive (proximal predominant) muscle atrophy caused by ...

If your doctor has suggested that you may have a myopathy, you likely have a lot of questions. There are many types of myopathies with different causes and outlooks. Myopathies are a class of diseases ...

Spinal muscular atrophy is a group of genetic disorders in which a person cannot control the movement of their muscles due to a loss of nerve cells in the spinal cord and brain stem. It is a ...