What is Spinal Muscular Atrophy (SMA)?

What is Spinal Muscular Atrophy (SMA)?

  Spinal Muscular Atrophy (SMA) is a congenital neuromuscular disorder characterized most prominently by progressive muscle atrophy and weakness.1 SMA is a neurodegenrative disease and the weakness and loss of muscle tone associated with SMA are the direct result...