Spinal muscular atrophy (SMA) type 1 is a genetic condition in which the nerves that control movement, breathing, and swallowing become progressively weaker and smaller. SMA has five types with ...

Peter L. Salgo, MD: Now we’re going to look at something called spinal muscular atrophy [SMA]. I must tell you that before researching it for this broadcast, it was not a disease that was on my radar.

Spinal muscular atrophy (SMA) is a genetic neuromuscular disease affecting specialized nerve cells that control voluntary muscle movement, according to the Muscular Dystrophy Association (MDA). It can ...

Spinal muscular atrophy (SMA) is a genetic disease that affects the nervous system and, mostly, the muscles it controls. It weakens muscles and can lead to problems breathing, eating, and walking. SMA ...

"Decreasing AMMO [active maximal mouth opening] over time is seen most often in patients with SMA type 2 with an estimated reduction of almost 1 mm per year...At this point, we propose that ...