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Human Body & Health

Why does trabecular bone at the femoral neck fail earlier than cortical bone during a hip impact?

A)Trabeculae experience constant piezoelectric stimulation
B)Cortical bone possesses higher collagen cross-linking
C)Trabeculae are more vascularized bone tissue
D)Trabecular bone has a lower fatigue resistance

💡 Explanation

Trabecular bone fails earlier because it undergoes micro-damage accumulation under cyclic loading, resulting in reduced fatigue resistance, therefore, trabecular bone is more susceptible to fracture during impact events, rather than the piezoelectric properties, vascularity, or collagen cross-linking.

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