The ageing muscle.
D000328:Adult; D000368:Aged; D000375:Aging; D000818:Animals; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009119:Muscle Contraction; D009132:Muscles / Q000166:cytology / Q000473:pathology / Q000502:physiology*; D010101:Oxygen Consumption; D013045:Species Specificity