<unk> es are autosomal recessively-inherited muscle diseases. They are a group of heterogeneous disorders characterized by muscle weakness which is present at birth and the different changes on muscle biopsy that ranges from myopathic to overtly<unk> c due to the age at which the biopsy takes place.
Congenital muscular dystrophy
Spinal muscular atrophy
Congenital myopathy
Congenital distal spinal muscular atrophy
Chondrodystrophy
Spinal muscular atrophies
Muscular dystrophy
Infantile neuroaxonal dystrophy