Age dependent osteoporosis among men habituated to a high level of physical activity.
D000328:Adult; D000367:Age Factors; D000368:Aged; D000886:Anthropometry; D006801:Humans; D008297:Male; D008663:Metacarpus; D008875:Middle Aged; D010024:Osteoporosis / Q000209:etiology*; D005082:Physical Exertion