Reports

Mechanical Resonance Spectra in Human Cancellous Bone

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Science  20 Jul 1973:
Vol. 181, Issue 4096, pp. 271-272
DOI: 10.1126/science.181.4096.271

Abstract

The dynamic mechanical response of fresh human cancellous bone at low audio frequencies contains two resonance spectra. The spectral frequencies in each series have the ratios 1:4:9:16 ... n2. The frequencies are in quantitative agreement with the concept of momentum wave modes of calcium and phosphorus atoms in the lamellae, with no variable parameters.