X-Linked Emery-Dreifuss Muscular Dystrophy, also known as emery-dreifuss muscular dystrophy, x-linked, is related to myopathy, x-linked, with postural muscle atrophy and muscular dystrophy, and has symptoms including waddling gait An important gene associated with X-Linked Emery-Dreifuss Muscular Dystrophy is EMD (Emerin). Affiliated tissues include heart and skeletal muscle, and related phenotypes are joint stiffness and myopathy