title: Reversible upper limb muscle weakness with selective loss of thick filaments.
mesh_terms: D008841:Actin Cytoskeleton / Q000648:ultrastructure*; D001132:Arm; D002154:Calpain / Q000032:analysis / Q000378:metabolism*; D003402:Creatine Kinase / Q000097:blood; D052283:Creatine Kinase, MM Form; D006801:Humans; D020287:In Situ Nick-End Labeling; D007527:Isoenzymes / Q000097:blood; D008297:Male; D008875:Middle Aged; D009124:Muscle Proteins / Q000032:analysis; D018908:Muscle Weakness / Q000378:metabolism / Q000473:pathology; D009133:Muscular Atrophy / Q000378:metabolism / Q000473:pathology; D009135:Muscular Diseases / Q000378:metabolism / Q000473:pathology*; D009218:Myosins / Q000032:analysis / Q000172:deficiency*; D012075:Remission, Spontaneous
chemical_list: D007527:Isoenzymes; D009124:Muscle Proteins; D003402:Creatine Kinase; D052283:Creatine Kinase, MM Form; D002154:Calpain; D009218:Myosins