McArdle disease (myophosphorylase deficiency, glycogen storage disease type 5, GSD5, OMIM # 232600) is an inherited metabolic disorder of skeletal muscle. Affected patients suffer from genetically determined lack of the enzyme muscle glycogen phosphorylase, which is essential for glycogen
BACKGROUND:
Neuromuscular diseases affect more than 5% of the population in Western countries. Some of the more rare neuromuscular disorders are patients with metabolic myopathies, which are hereditary disorders caused by enzymatic defects of intermediary metabolism. The disorders are generally
McArdle disease (Glycogen storage disease type V, GSDV) is an inherited metabolic disorder of skeletal muscle. Affected patients are unable to perform strenuous exercise due to a congenital absence of the enzyme muscle glycogen phosphorylase, essential for glycogen metabolism. This enzyme deficiency
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