Why does decreased bone density from aging particularly elevate fracture risk during a fall onto outstretched hands, compared to other loading scenarios?

💡 Explanation

Bone density reduction weakens the distal radius, leading to concentrated force during impact because the outstretched hand transmits force directly to this weakened area. Therefore, fractures are more likely in this scenario rather than situations where force is distributed differently, due to the reduced ability of osteoporotic bone to withstand concentrated stress.

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