Spinal muscular atrophy (SMA) is a rare neuromuscular disorder that results in the loss of motor neurons and progressive muscle wasting. [3][4][5] It is usually diagnosed in infancy or early …

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 onset. …

Jul 30, 2024 · Spinal muscular atrophy (SMA) refers to a group of hereditary diseases which affect motor neurons. Motor neurons are specialized nerve cells in the brain and spinal cord that control …

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. Because the muscles cannot …

Spinal muscular atrophy is a genetic disorder characterized by weakness and wasting ( atrophy ) in muscles used for movement (skeletal muscles). Explore symptoms, inheritance, genetics of this …

Spinal muscular atrophy is a disease that affects your motor neurons, which are nerve cells that control muscle movement. It’s genetic, meaning it’s inherited, and causes your muscles to become weak, or …

Spinal muscular atrophy type 3 (juvenile form or Wohlfart-Kugelberg-Welander disease) begins between age 15 months and 19 years and worsens slowly. Consequently, people with this disorder usually …

MONDAY, Aug. 11, 2025 (HealthDay News) — Spinal muscular atrophy (SMA) is a genetic neuromuscular disease affecting specialized nerve cells that control volunta

Find out about spinal muscular atrophy (SMA) including the symptoms, types, causes, how it's diagnosed and the treatment and support available.

Apr 7, 2023 · Explore spinal muscular atrophy, its symptoms, types, causes, and treatment options in simple terms.