What is spinal muscular atrophy?

Muscles need nerves: Our muscles need the nerves that supply them or they get weak and "atropy." if the breathing muscles get so weak, then one can not breath and will have respiratory distress where the body can not move air or get rid of air. Hope this helps! take care!

It is an inherited: Disease due to a generic defect that results in muscular damage. There are different types and some more severe than others. Hope this helps!

Heriditary Disease: A group of hereditary-genetic disease that result in muscular atrophy and weakness. They are progressive in nature. There are 4 types. Type i werdnig-hoffmann disease. Also type ii, iii , & the adult onset type iv. Treatment is supportive & physical therapy--to prevent contractures.