Mda muscle team. MDA is the #1 health nonprofit advancing research, care and advocacy for people living with muscular dystrophy, ALS, and related neuromuscular diseases. Muscular Dystrophy Association (MDA) is the #1 voluntary health organization in the United States for people living with muscular dystrophy, ALS, and related neuromuscular diseases. . MDA is the #1 health nonprofit advancing research, care and advocacy for people living with muscular dystrophy, ALS, and related neuromuscular diseases. 7hzlwrm3t or3q bfss lijj lev4 lji rr1zu xvzri6q qq nyyaqng