ArticleBiomedical engineering online2016
Biomechanical simulation of thorax deformation using finite element approach.
Article in Biomedical engineering online, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 41 citations in OpenAlex.
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- Risk of delayed displacement and biomechanical analysis of unstable rib fractures postsurgical.World journal of emergency surgery : WJES · 2025Article
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- Constitutive Models for Active Skeletal Muscle: Review, Comparison, and Application in a Novel Continuum Shoulder Model.International journal for numerical methods in biomedical engineering · 2025Review
- Effects of intrafractional diaphragm motion on dose perturbation in stereotactic body radiation therapy for lower thoracic vertebrae.Physics and imaging in radiation oncology · 2025Article
- Complex chest wall reconstruction after failure: a literature review.Journal of thoracic disease · 2024Review
- A Biomechanical Simulation of Forearm Flexion Using the Finite Element Approach.Bioengineering (Basel, Switzerland) · 2023Article
- Thorax Dynamic Modeling and Biomechanical Analysis of Chest Breathing in Supine Lying Position.Journal of biomechanical engineering · 2022Article
- Increase of resting muscle stiffness, a less considered component of age-related skeletal muscle impairment.European journal of translational myology · 2020Article
- Simulation of blast lung injury induced by shock waves of five distances based on finite element modeling of a three-dimensional rat.Scientific reports · 2019Article
- Article
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Authors and funding
8 authors at 3 institutions in 1 country.
Funding
Abstract
backgroundThe biomechanical simulation of the human respiratory system is expected to be a useful tool for the diagnosis and treatment of respiratory diseases. Because the deformation of the thorax significantly influences airflow in the lungs, we focused on simulating the thorax deformation by introducing contraction of the intercostal muscles and diaphragm, which are the main muscles responsible for the thorax deformation during breathing.
methodsWe constructed a finite element model of the thorax, including the rib cage, intercostal muscles, and diaphragm. To reproduce the muscle contractions, we introduced the Hill-type transversely isotropic hyperelastic continuum skeletal muscle model, which allows the intercostal muscles and diaphragm to contract along the direction of the fibres with clinically measurable muscle activation and active force-length relationship. The anatomical fibre orientations of the intercostal muscles and diaphragm were introduced.
resultsThorax deformation consists of movements of the ribs and diaphragm. By activating muscles, we were able to reproduce the pump-handle and bucket-handle motions for the ribs and the clinically observed motion for the diaphragm. In order to confirm the effectiveness of this approach, we simulated the thorax deformation during normal quiet breathing and compared the results with four-dimensional computed tomography (4D-CT) images for verification.
conclusionsThorax deformation can be simulated by modelling the respiratory muscles according to continuum mechanics and by introducing muscle contractions. The reproduction of representative motions of the ribs and diaphragm and the comparison of the thorax deformations during normal quiet breathing with 4D-CT images demonstrated the effectiveness of the proposed approach. This work may provide a platform for establishing a computational mechanics model of the human respiratory system.
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