This truncal‐predominant phenotype is reminiscent of SEPN1‐ and severe nemaline myopathy, and COL6‐, LAMA2‐ and LMNA‐congenital muscular dystrophy.32, 33 Congenital contractures were also common, affected distal as well as proximal joints, and often involved two or more areas of the body, leading to the diagnosis of AMC. This evidence concerns the gene SELENON and nemaline myopathy.