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The influence of musculoskeletal forces on the growth of the prenatal cortex in the ilium: a finite element study

Watson, Peter J.; Fagan, Michael J.; Dobson, Catherine A.

Authors

Catherine A. Dobson



Abstract

Remodelling and adaptation of bone within the pelvis is believed to be influenced by the mechanical strains generated during locomotion. Variation in the cortical bone thickness observed in the prenatal ilium has been linked to the musculoskeletal loading associated with in utero movements; for example the development of a thicker gluteal cortex is a possible response to contractions of the gluteal muscles. This study examines if the strains generated in the prenatal iliac cortex due to musculoskeletal loading in utero are capable of initiating bone remodelling to either maintain homeostasis or form new bone. Computational modelling techniques were used firstly to predict the muscle forces and resultant joint reaction force acting on the pelvis during a range of in utero movements. Finite element analyses were subsequently performed to calculate the von Mises strains induced in the prenatal ilium. The results demonstrated that strains generated in the iliac cortex were above the thresholds suggested to regulate bone remodelling to either maintain homeostasis or form new bone. Further simulations are required to investigate the extent to which the heterogeneous cortex forms in response to these strains (i.e., remodelling) or if developmental bone modelling plays a more pivotal role.

Citation

Watson, P. J., Fagan, M. J., & Dobson, C. A. (in press). The influence of musculoskeletal forces on the growth of the prenatal cortex in the ilium: a finite element study. Computer methods in biomechanics and biomedical engineering, https://doi.org/10.1080/10255842.2020.1777546

Journal Article Type Article
Acceptance Date May 31, 2020
Online Publication Date Jun 13, 2020
Deposit Date Jun 16, 2020
Publicly Available Date Jun 14, 2021
Journal Computer Methods in Biomechanics and Biomedical Engineering
Print ISSN 1025-5842
Electronic ISSN 1476-8259
Publisher Taylor & Francis
Peer Reviewed Peer Reviewed
DOI https://doi.org/10.1080/10255842.2020.1777546
Keywords Pelvis; Bone remodelling; Finite element; Musculoskeletal modelling
Public URL https://hull-repository.worktribe.com/output/3522076
Publisher URL https://www.tandfonline.com/doi/abs/10.1080/10255842.2020.1777546?journalCode=gcmb20
Additional Information Peer Review Statement: The publishing and review policy for this title is described in its Aims & Scope.; Aim & Scope: http://www.tandfonline.com/action/journalInformation?show=aimsScope&journalCode=gcmb20; Received: 2019-10-30; Revised: 2020-04-27; Accepted: 2020-05-31; Published: 2020-06-13

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Copyright Statement
©2020 The authors. All rights reserved. No part of this publication may be reproduced without the written permission of the copyright holder





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