Within that group, dystrophinopathies are the most common, which includes Duchenne muscular dystrophy, or DMD, and Becker muscular dystrophy, both of which result from mutations in the dystrophin gene.

这些功能紊乱中，营养不良疾病是最常见的，包括Duchenne型肌营养不良（DMD）和Becker型肌营养不良（BMD）；这二者都是由抗肌萎缩蛋白基因突变导致的。