Weakness of the limb-girdle muscles (also known as the pelvic and shoulder girdles), that is, lack of strength of the muscles around the shoulders and the pelvis. The phenotype is Limb-girdle muscle weakness (Human Phenotype Ontology term HP_0003325). Also known as: Limb girdle weakness, Muscle weakness, limb-girdle, Muscular weakness, limb-girdle.