Biomechanical effects of different loads and constraints on finite element modeling of the humerus

Sabrina Islam, Kunal Gide, Emil H. Schemitsch, Habiba Bougherara, Radovan Zdero and Z. Shaghayegh Bagheri

Computer Methods in Biomechanics and Biomedical Engineering, 2025, vol. 28, issue 5, 601-613

Abstract: Currently, there is no established finite element (FE) method to apply physiologically realistic loads and constraints to the humerus. This FE study showed that 2 ‘simple’ methods involving direct head loads, no head constraints, and rigid elbow or mid-length constraints created excessive stresses and bending. However, 2 ‘intermediate’ methods involving direct head loads, but flexible head and elbow constraints, produced lower stresses and bending. Also, 2 ‘complex’ methods involving muscles to generate head loads, plus flexible head and elbow constraints, generated the lowest stresses and moderate bending. This has implications for FE modeling research on intact and implanted humeri.

Date: 2025
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DOI: 10.1080/10255842.2023.2298371

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