Dual photon X-ray absorptiometry (DPA) technology is now largely of academic interest. However, learning about it can help DXA operators understand the benefits of DXA and why it has become the gold standard in bone densitometry.
It is important for older adults to maintain a high functional status and engage in regular physical activity according to their capabilities. Older adults who enjoy an overall good health status can follow the same guidelines for physical activity as outlined for younger individuals. However, for older adults with some physical limitations or compromised bone health, weight-supported activities may be more appropriate. Examples of such activities include walking in deep water, aqua aerobics, stationary bicycle riding, and floor exercises. Importantly, people with less than optimal bone health in old age can often safely perform resistance exercises with proper training and supervision.
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