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ORIGINAL RESEARCH article
Front. Bioeng. Biotechnol.
Sec. Biomechanics
Volume 13 - 2025 | doi: 10.3389/fbioe.2025.1533585
This article is part of the Research Topic Motion Tracking and Deformation Analysis in Biomechanics View all 15 articles
Finite element analysis of the biomechanical effects of manipulation of lower limb hyperextension on the sacroiliac joint
Provisionally accepted- 1 Department of Spine Surgery, First Affiliated Hospital of University of South China, Hengyang, Hunan Province, China
- 2 School of Traditional Chinese Medicine, Southern Medical University, No.1838, Guangzhou Avenue North, BaiYun District, Guangzhou, Guangdong Province, China
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Objective: The objective of this study was to explore the effects of four Manipulations of lower limb hyperextension (MLLHs) on the sacroiliac joint (SIJ) and surrounding ligaments.Methods: A three-dimensional finite element model of the pelvis was built. Four MLLHs were simulated. The stresses on the pelvis and SIJ were calculated. The SIJ displacements and ligament strains were analyzed.Results: Under MLLH-F1, -F2, -F3 and -F4, the maximum stresses on the pelvis were 49.2, 50.5, 48.6 and 54.0 MPa, and the maximum stresses on the left SIJ were 3.1, 3.2, 3.0 and 3.4 MPa, respectively. The total SIJ displacements were 0.129, 0.164, 0.080 and 0.154 mm under MLLH-F1, -F2, -F3 and -F4, respectively. The four MLLHs all caused different degrees of ligament strain, MLLH-F2 the greatest.Conclusion: MLLH-F2 and -F4 caused greater stresses on the pelvis and the SIJ surface. The four MLLHs all produced small SIJ displacements. MLLH-F2 produced the largest SIJ displacement and the greatest ligament strain. These findings can guide the choice of therapy.
Keywords: Manipulation, Biomechanical, Sacroiliac Joint, Finite Element Analysis, stress, Strain
Received: 24 Nov 2024; Accepted: 19 Mar 2025.
Copyright: © 2025 Luo, Li, Wang and Xu. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence:
Cheng Wang, Department of Spine Surgery, First Affiliated Hospital of University of South China, Hengyang, Hunan Province, China
Zhun Xu, Department of Spine Surgery, First Affiliated Hospital of University of South China, Hengyang, Hunan Province, China
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