myopathic

/ˌmaɪoʊˈpæθɪk/
adjective
  1. Relating to or caused by a disease of the muscle tissue.
    • The biopsy revealed myopathic changes in the muscle cells.
    • Myopathic conditions can be inherited or develop later in life.
    • The patient showed myopathic symptoms, including muscle weakness and fatigue.