[Staircase phenomenon in "mitochodrial myopathy' and limb-girdle type muscular dystrophy].
D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D008931:Mitochondria, Muscle / Q000473:pathology; D009119:Muscle Contraction; D009136:Muscular Dystrophies / Q000473:pathology / Q000503:physiopathology*