Stay stronger longer with weight training.
D000368:Aged; D000369:Aged, 80 and over; D000375:Aging / Q000502:physiology*; D005260:Female; D016330:Frail Elderly; D006801:Humans; D008297:Male; D008875:Middle Aged; D018482:Muscle, Skeletal / Q000502:physiology*; D014891:Weight Lifting / Q000502:physiology