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Promotion of lifelong physical activity is essential
| The first 150 words of the full text of this article appear below. |
In recent decades the number and incidence of
injuries caused by falls among older adults have increased dramatically
throughout the world, and without any population level intervention the
increasing trend is likely to continue
largely because of an
increasing number of older people.1 About two thirds of
these injuries are bone fractures, the hip fracture being the most
common, the most devastating, and the most expensive that our
healthcare systems have to face.1
Regular exercise is probably the only method that may prevent
osteoporotic fractures, the true end point of the entire osteoporosis problem, by preventing both osteoporosis and falls. The evidence seems
stronger for exercise preventing osteoporosis. Human and animal studies
have shown that physical activity can increase bone mass, density, and
strength.
2 3
The starting age of activity is crucial: the
benefit to bone is doubled if the activity is started before or at
puberty rather than after it.
3 4
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