Measurements of permeability and tortuosity in calcaneal trabecular bone

Abstract

Permeability and tortuosity are parameters which determine the interaction between the bone marrow and trabeculae under mechanical stimulus. A strong relationship between permeability and porosity indicates that future estimates of permeability for calcaneal bone, for flow in the mediolateral direction can be made from more common measurement of trabecular area fraction. The relationship of the tortuosity with a measure of bone architecture indicates that the sinuosity and convolutedness of the pores may be determined more by the arrangement of trabecular bone than by the amount present. Ultrasound measurements in the calcaneus is proposed as a potential means to assess both bone quality and quantity in osteoporosis.

Publication Title

American Society of Mechanical Engineers, Bioengineering Division (Publication) BED

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