limb-girdle muscular dystrophy (MONDO_0016971) (LGMD) is a heterogeneous group of muscular dystrophies characterized by proximal weakness affecting the pelvic and shoulder girdles. Cardiac and respiratory impairment may be observed in certain forms of LGMD. Also known as: LGMD, Leyden-Mbius muscular dystrophy, Leyden-Mobius muscular dystrophy, erb's muscular dystrophy, limb girdle muscular dystrophy.