Congenital Myopathy 2c, Severe Infantile, Autosomal Dominant, also known as cmyp2c, is related to congenital myopathy 2a, typical, autosomal dominant. An important gene associated with Congenital Myopathy 2c, Severe Infantile, Autosomal Dominant is ACTA1 (Actin Alpha 1, Skeletal Muscle). Affiliated tissues include skeletal muscle, and related phenotypes are hypotonia and skeletal muscle atrophy