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Zhou H, Xu D, Quan W, Ugbolue UC, Gu Y. Effects of different contact angles during forefoot running on the stresses of the foot bones: a finite element simulation study. Front Bioeng Biotechnol 2024; 12:1337540. [PMID: 38390360 PMCID: PMC10882086 DOI: 10.3389/fbioe.2024.1337540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Accepted: 01/29/2024] [Indexed: 02/24/2024] Open
Abstract
Introduction: The purpose of this study was to compare the changes in foot at different sole-ground contact angles during forefoot running. This study tried to help forefoot runners better control and improve their technical movements by comparing different sole-ground contact angles. Methods: A male participant of Chinese ethnicity was enlisted for the present study, with a recorded age of 25 years, a height of 183 cm, and a body weight of 80 kg. This study focused on forefoot strike patterns through FE analysis. Results: It can be seen that the peak von Mises stress of M1-5 (Metatarsal) of a (Contact angle: 9.54) is greater than that of b (Contact angle: 7.58) and c (Contact angle: 5.62) in the three cases. On the contrary, the peak von Mises stress of MC (Medial Cuneiform), IC (Intermediate Cuneiform), LC (Lateral Cuneiform), C (Cuboid), N (Navicular), T (Tarsal) in three different cases is opposite, and the peak von Mises stress of c is greater than that of a and b. The peak von Mises stress of b is between a and c. Conclusion: This study found that a reduced sole-ground contact angle may reduce metatarsal stress fractures. Further, a small sole-ground contact angle may not increase ankle joint injury risk during forefoot running. Hence, given the specialized nature of the running shoes designed for forefoot runners, it is plausible that this study may offer novel insights to guide their athletic pursuits.
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Affiliation(s)
- Huiyu Zhou
- Faculty of Sports Science, Ningbo University, Ningbo, China
- School of Health and Life Sciences, University of the West of Scotland, Paisley, United Kingdom
| | - Datao Xu
- Faculty of Sports Science, Ningbo University, Ningbo, China
- Faculty of Engineering, University of Pannonia, Veszprem, Hungary
| | - Wenjing Quan
- Faculty of Sports Science, Ningbo University, Ningbo, China
- Faculty of Engineering, University of Pannonia, Veszprem, Hungary
| | - Ukadike Chris Ugbolue
- School of Health and Life Sciences, University of the West of Scotland, Paisley, United Kingdom
| | - Yaodong Gu
- Faculty of Sports Science, Ningbo University, Ningbo, China
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Malakoutikhah H, Latt LD. Disease-Specific Finite element Analysis of the Foot and Ankle. Foot Ankle Clin 2023; 28:155-172. [PMID: 36822685 DOI: 10.1016/j.fcl.2022.10.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Finite-element analysis is a computational modeling technique that can be used to quantify parameters that are difficult or impossible to measure externally in a geometrically complex structure such as the foot and ankle. It has been used to improve our understanding of pathomechanics and to evaluate proposed treatments for several disorders, including progressive collapsing foot deformity, ankle arthritis, syndesmotic injury, ankle fracture, plantar fasciitis, diabetic foot ulceration, hallux valgus, and lesser toe deformities. Parameters calculated from finite-element models have been widely used to make predictions about their biomechanical correlates.
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Affiliation(s)
- Hamed Malakoutikhah
- Department of Aerospace and Mechanical Engineering, University of Arizona, 1130 North Mountain Avenue, Tucson, AZ 85721, USA.
| | - Leonard Daniel Latt
- Department of Orthopaedic Surgery, University of Arizona, 1501 N. Campbell Ave, Suite 8401, Tucson, AZ, 85724 USA
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Song Y, Shao E, Bíró I, Baker JS, Gu Y. Finite element modelling for footwear design and evaluation: A systematic scoping review. Heliyon 2022; 8:e10940. [PMID: 36247144 PMCID: PMC9563159 DOI: 10.1016/j.heliyon.2022.e10940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 05/04/2022] [Accepted: 09/29/2022] [Indexed: 11/06/2022] Open
Abstract
Finite element modelling has become an efficient tool for an in-depth understanding of the foot, footwear biomechanics and footwear optimization. The aim of this paper was to provide an updated overview in relation to the footwear finite element (FE) analysis published since 2000. The paper will attempt to outline the main challenges and research gaps that need confronting in the further development of realistic and accurate models for clinical and industrial applications. English databases of the Web of Science and PubMed were used to search (‘finite element’ OR ‘FEA’ OR ‘computational model’) AND (‘shoe’ OR ‘footwear’) until 16 December 2021. Articles that conducted FE analyses on the whole foot and footwear structures were included in this review. Twelve articles met the eligibility criteria, and were grouped into three categories for further analysis, (1) finite element modelling of the foot and high-heeled shoes; (2) finite element modelling of the foot and boot; (3) finite element modelling of the foot and sports shoe. Even though most of the existing foot-shoe FE analyses were performed under certain simplifications and assumptions, they have provided essential contributions in identifying the mechanical response of the foot in casual or athletic footwear. Further to this, the results have provided information in relation to optimizing footwear design to enhance functional performance. Nevertheless, further simulations still present several challenges, including reliable data information for geometry reconstruction, the balance between accurate details and computational cost, accurate representations of material properties, realistic boundary and loading conditions, and thorough model validation. In addition, some research gaps in terms of the coverage of footwear design, the consideration of insole/orthosis and socks, and the internal and external validity of the FE design should be fully covered.
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Affiliation(s)
- Yang Song
- Faculty of Sports Science, Ningbo University, Ningbo, China,Doctoral School on Safety and Security Sciences, Óbuda University, Budapest, Hungary,Faculty of Engineering, University of Szeged, Szeged, Hungary
| | - Enze Shao
- Faculty of Sports Science, Ningbo University, Ningbo, China
| | - István Bíró
- Doctoral School on Safety and Security Sciences, Óbuda University, Budapest, Hungary,Faculty of Engineering, University of Szeged, Szeged, Hungary
| | - Julien Steven Baker
- Centre for Health and Exercise Science Research, Department of Sport, Physical Education and Health, Hong Kong Baptist University, Hong Kong, China
| | - Yaodong Gu
- Faculty of Sports Science, Ningbo University, Ningbo, China,Corresponding author.
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Mokhtarzadeh H, Jiang F, Zhao S, Malekipour F. OpenColab project: OpenSim in Google colaboratory to explore biomechanics on the web. Comput Methods Biomech Biomed Engin 2022:1-9. [PMID: 35930042 DOI: 10.1080/10255842.2022.2104607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
OpenSim is an open-source biomechanical package with a variety of applications. It is available for many users with bindings in MATLAB, Python, and Java via its application programming interfaces (APIs). Although the developers described well the OpenSim installation on different operating systems (Windows, Mac, and Linux), it is time-consuming and complex since each operating system requires a different configuration. This project aims to demystify the development of neuro-musculoskeletal modeling in OpenSim with zero configuration on any operating system for installation (thus cross-platform), easy to share models while accessing free graphical processing units (GPUs) on a web-based platform of Google Colab. To achieve this, OpenColab was developed where OpenSim source code was used to build a Conda package that can be installed on the Google Colab with only one block of code in less than 7 min. To use OpenColab, one requires a connection to the internet and a Gmail account. Moreover, OpenColab accesses vast libraries of machine learning methods available within free Google products, e.g. TensorFlow. Next, we performed an inverse problem in biomechanics and compared OpenColab results with OpenSim graphical user interface (GUI) for validation. The outcomes of OpenColab and GUI matched well (r≥0.82). OpenColab takes advantage of the zero-configuration of cloud-based platforms, accesses GPUs, and enables users to share and reproduce modeling approaches for further validation, innovative online training, and research applications. Step-by-step installation processes and examples are available at: https://simtk.org/projects/opencolab.
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Affiliation(s)
- Hossein Mokhtarzadeh
- Department of Biomedical Engineering, The University of Melbourne, Melbourne, Australia
| | - Fangwei Jiang
- Faculty of Engineering and Information Technology, The University of Melbourne, Melbourne, Australia
| | - Shengzhe Zhao
- Faculty of Engineering and Information Technology, The University of Melbourne, Melbourne, Australia
| | - Fatemeh Malekipour
- Department of Biomedical Engineering, The University of Melbourne, Melbourne, Australia
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Zhang Q, Zhang Y, Huang J, Teo EC, Gu Y. Effect of Displacement Degree of Distal Chevron Osteotomy on Metatarsal Stress: A Finite Element Method. BIOLOGY 2022; 11:127. [PMID: 35053125 PMCID: PMC8772834 DOI: 10.3390/biology11010127] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 01/12/2022] [Accepted: 01/12/2022] [Indexed: 12/01/2022]
Abstract
BACKGROUND The stress of foot bone can effectively evaluate the functional damage caused by foot deformity and the results of operation. In this study, the finite element method was used to investigate the degree of displacement of distal chevron osteotomy on metatarsal stress and metatarsophalangeal joint load; Methods: Four finite element models of displacement were established by using the CT images of a patient with moderate hallux valgus (hallux valgus angle and intermetatarsal angle were 26.74° and 14.09°, respectively), and the validity of the model was verified. Each finite element model consisted of bones and various cartilage structures, ligaments, and plantar fascia, as well as encapsulated soft tissue. Except for soft tissue, the material properties of other parts were isotropic linear elastic material, and the encapsulated soft tissue was set as nonlinear hyperelastic material. The mesh was tetrahedral mesh. Link elements were used in ligament and plantar fascia. A ground reaction force with a half-body weight was applied at the bottom of the floor to simulate the ground reaction when standing. The upper surfaces of the encapsulated soft tissue, distal tibia, and distal fibula were fixed. The stress distribution of metatarsals and the stress of cartilage of the first metatarsophalangeal joint were compared and analyzed; Results: Compared with the hallux valgus without osteotomy, the stress of the first metatarsals and second metatarsals of 2-4 mm decreased, and the stress of the interarticular cartilage of the first metatarsophalangeal joint with 4 mm was reduced. In the case of 6 mm, the stress value between the first metatarsal and the first metatarsophalangeal joint increased, and 4 mm was the most suitable distance; Conclusions: Compared with the hallux valgus without osteotomy, the stress of the first metatarsals and second metatarsals of 2-4 mm decreased, and the stress of the interarticular cartilage of the first metatarsophalangeal joint with 4 mm was reduced. In the case of 6 mm, the stress value between the first metatarsal and the first metatarsophalangeal joint increased, and 4 mm was the most suitable distance. For the degree of displacement of the distal chevron osteotomy, the postoperative stability and the stress distribution of metatarsal bone should be considered. Factors such as hallux valgus angle, intermetatarsal angle, patient's age, body weight, and metatarsal width should be considered comprehensively. The factors affecting osteotomy need to be further explored. The degree of displacement of osteotomy can be evaluated by FE method before the operation, and the most suitable distance can be obtained.
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Affiliation(s)
- Qiaolin Zhang
- Faculty of Sports Science, Ningbo University, Ningbo 315211, China; (Q.Z.); (Y.Z.); (J.H.)
| | - Yan Zhang
- Faculty of Sports Science, Ningbo University, Ningbo 315211, China; (Q.Z.); (Y.Z.); (J.H.)
| | - Jialu Huang
- Faculty of Sports Science, Ningbo University, Ningbo 315211, China; (Q.Z.); (Y.Z.); (J.H.)
| | - Ee Chon Teo
- Faculty of Sports Science, Ningbo University, Ningbo 315211, China; (Q.Z.); (Y.Z.); (J.H.)
- School of Chemical and Biomedical Engineering, Nanyang Technological University, Singapore 639798, Singapore
| | - Yaodong Gu
- Faculty of Sports Science, Ningbo University, Ningbo 315211, China; (Q.Z.); (Y.Z.); (J.H.)
- Faculty of Engineering, University of Szeged, 6720 Szeged, Hungary
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