Abstract
The present study aims to provide insight into the dependencies of ultrasonic properties, such as speed of sound (SOS), broadband ultrasonic attenuation (BUA), and integrated reflection coefficient (IRC), on apparent bone density in trabecular bone. SOS, BUA, and IRC were measured in 19 bovine trabecular bone specimens with apparent densities from 0.411 to 0.928 g/cm3, using a matched pair of transducers with a diameter of 12.7 mm and a center frequency of 1.0 MHz. They were also compared with the predictions obtained from the modified Biot–Attenborough (MBA) model for propagation in fluid-saturated porous media.
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