X-Linked Scapuloperoneal Muscular Dystrophy, also known as x-linked scapuloperoneal syndrome, is related to scapuloperoneal myopathy, x-linked dominant and emery-dreifuss muscular dystrophy 1, x-linked, and has symptoms including waddling gait An important gene associated with X-Linked Scapuloperoneal Muscular Dystrophy is FHL1 (Four And A Half LIM Domains 1).