Myopathy, Distal, 1, also known as laing early-onset distal myopathy, is related to cardiac conduction defect and limb-girdle muscular dystrophy, and has symptoms including myalgia An important gene associated with Myopathy, Distal, 1 is MYH7 (Myosin Heavy Chain 7), and among its related pathways/superpathways are Sweet Taste Signaling and RNA Polymerase II Transcription Initiation And Promoter Clearance. Affiliated tissues include skeletal muscle, and related phenotypes are foot dorsiflexor weakness and toe extensor amyotrophy