LAMA2-related muscular dystrophy including LAMA2-related congenital muscular dystrophy (LAMA2-CMD) and autosomal recessive limb-girdle muscular dystrophy-23 (LGMDR23) is caused by LAMA2 pathogenic variants. This evidence concerns the gene LAMA2 and muscular dystrophy, limb-girdle, autosomal recessive 23.