Structural and Biomechanical basis of differences in bone fragility in Asian and Caucasian men and women

Grant number: 251582

Abstract

Lay Summary Fractures occur less commonly in males than females because males have greater periosteal apposition than females during ageing. This increases bone size (reducing load per unit area - stress), and reduces net bone loss, more in males than females so that the increase in bone fragility with advancing age seen in both sexes is less in males than females. Few males than females have a fracture risk index for vertebral fractures (FRI or ratio of load-bone strength) above unity. The purpose of this study is to define the structural and biomechanical basis responsible for the racial differences in fracture rates between Asians and Caucasians. Following the same biomechanical principle..

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