Type I fiber atrophy and nemaline bodies.
D000328:Adult; D001706:Biopsy; D003460:Crystallization; D004576:Electromyography; D006801:Humans; D008297:Male; D008854:Microscopy, Electron; D009132:Muscles / Q000648:ultrastructure*; D009133:Muscular Atrophy / Q000473:pathology* / Q000503:physiopathology