Description of the disease * EnglishPolish Pobierz sekcję do PDF Definition A rare genetic skeletal muscle disease characterized by childhood onset of exercise-induced progressive impairment of muscle relaxation, stiffness, cramps, and myalgia, predominantly in the arms, legs, and face (eyelids), and, biochemically, by a reduced sarcoplasmic reticulum Ca(2+)-ATPase activity. Symptoms improve after a few minutes of rest and may be exacerbated by cold. The term Brody syndrome refers to a clinically distinguishable subset of patients without <i>ATP2A1</i> mutations, with adolescence or adult onset and selective muscular involvement, in which myalgia is more common. Disease data Classification Disease ORPHA code 53347 OMIM code 601003 ICD10 code G71.8 ICD11 code - *Soruce Extended description of the disease Pobierz sekcję do PDF No additional description. Orphanet - interntowa baza danych dotyczących rzadkich chorób i sierochych leków. ©INSERM 1999 - Dostępna na stronie www.orphanet.pl