Skeletal muscle disease with abnormal mitochondria.
D000293:Adolescent; D003594:Cytoplasmic Granules; D006801:Humans; D066298:In Vitro Techniques; D008297:Male; D008854:Microscopy, Electron; D008931:Mitochondria, Muscle / Q000378:metabolism; D009135:Muscular Diseases / Q000201:enzymology / Q000473:pathology*; D010085:Oxidative Phosphorylation; D010101:Oxygen Consumption; D012508:Sarcolemma