Young's modulus of trabecular and cortical bone material: Ultrasonic and microtensile measurements

An ultrasonic technique and microtensile testing were used to determine the Young's modulus of individual trabeculae and micro-specimens of cortical bone cut to similar size as individual trabeculae. The average trabecular Young's modulus measured ultrasonically and mechanically was 14.8 G...

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Veröffentlicht in:	Journal of biomechanics 1993-02, Vol.26 (2), p.111-119
Hauptverfasser:	Rho, Jae Young, Ashman, Richard B., Turner, Charles H.
Format:	Artikel
Sprache:	eng
Schlagworte:	Aged Aluminum - chemistry Biological and medical sciences Bone and Bones - anatomy & histology Bone and Bones - diagnostic imaging Bone and Bones - physiology Bone Density Elasticity Femur Fundamental and applied biological sciences. Psychology Humans Humerus Middle Aged Regression Analysis Skeleton and joints Stainless Steel - chemistry Tensile Strength Tibia Ultrasonography Vertebrates: osteoarticular system, musculoskeletal system
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Beschreibung
Zusammenfassung:	An ultrasonic technique and microtensile testing were used to determine the Young's modulus of individual trabeculae and micro-specimens of cortical bone cut to similar size as individual trabeculae. The average trabecular Young's modulus measured ultrasonically and mechanically was 14.8 GPa (S.D. 1.4) and 10.4 (S.D. 3.5) and the average Young's modulus of microspecimens of cortical bone measured ultrasonically and mechanically was 20.7 GPa (S.D. 1.9) and 18.6 GPa (S.D. 3.5). With either testing technique the mean trabecular Young's modulus was found to be significantly less than that of cortical bone ( p
ISSN:	0021-9290 1873-2380
DOI:	10.1016/0021-9290(93)90042-D