Energy production for muscular work in the aged.
D000328:Adult; D000368:Aged; D000375:Aging / Q000502:physiology*; D005260:Female; D006019:Glycolysis; D006321:Heart / Q000502:physiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009132:Muscles / Q000502:physiology*; D010101:Oxygen Consumption