
Spinal muscular atrophy - Wikipedia
Spinal muscular atrophy affects individuals of all ethnic groups, unlike other well-known autosomal recessive disorders, such as sickle cell disease and cystic fibrosis, which have significant …
SMA (Spinal Muscular Atrophy): What It Is, Symptoms & Types
Spinal Muscular Atrophy (SMA) Spinal muscular atrophy (SMA) is a genetic condition that causes worsening muscle weakness. There are five subtypes, which range in severity and age of …
Spinal Muscular Atrophy - National Institute of Neurological …
Jul 30, 2024 · Spinal muscular atrophy (SMA) refers to a group of hereditary diseases which affect motor neurons.
Spinal Muscular Atrophy (SMA) - Diseases | Muscular Dystrophy Association
Spinal muscular atrophy (SMA) is a genetic disease affecting the central nervous system, peripheral nervous system, and voluntary muscle movement (skeletal muscle).
Spinal Muscular Atrophy (SMA) - Johns Hopkins Medicine
Spinal muscular atrophy (SMA) is a disorder affecting the motor neurons—nerve cells that control voluntary muscle movement. These cells are located in the spinal cord.
Spinal Muscular Atrophy (SMA) - Children's Hospital of Philadelphia
What is spinal muscular atrophy (SMA)? Spinal muscular atrophy (SMA) is a genetic disease that affects the spinal cord and nerves, resulting in muscle wasting and weakness. Untreated, it is …
Spinal muscular atrophy: MedlinePlus Genetics
Spinal muscular atrophy is a genetic disorder characterized by weakness and wasting (atrophy) in muscles used for movement (skeletal muscles). It is caused by a loss of specialized nerve …
Spinal muscular atrophy (SMA) - NHS
Find out about spinal muscular atrophy (SMA) including the symptoms, types, causes, how it's diagnosed and the treatment and support available.
SMA Type 1 (Infantile Spinal Muscular Atrophy) Guide
Jan 4, 2026 · SMA type 1, also known as infantile-onset spinal muscular atrophy or Werdnig–Hoffmann disease, is the most severe and common form of spinal muscular atrophy. …
About SMA - Cure SMA
Spinal muscular atrophy (SMA) is a progressive neurodegenerative disease that affects the motor nerve cells in the spinal cord and impacts the muscles used for activities such as breathing, …