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Hafiz H, Yousefsani SA, Moradi A, Akbarzadeh A, Jirofti N. Contribution of Soft Tissue Passive Forces in Thumb Carpometacarpal Joint Distraction. Ann Biomed Eng 2024:10.1007/s10439-024-03492-2. [PMID: 38503946 DOI: 10.1007/s10439-024-03492-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Accepted: 03/10/2024] [Indexed: 03/21/2024]
Abstract
Thumb carpometacarpal joint space changes when the surrounding soft tissues including the capsule, ligaments, and tendons are stretched or pulled away. When at rest, joint forces originate from passive contraction of muscles and the involvement of joint capsule and ligaments. Previous biomechanical models of hand and finger joints have mostly focused on the assessment of joint properties when muscles were active. This study aims to present an experimental-numerical biomechanical model of thumb carpometacarpal joint to explore the contribution of tendons, ligaments, and other soft tissues in the passive forces during distraction. Five fresh cadaveric specimens were tested using a distractor device to measure the applied forces upon gradual distraction of the intact joint. The subsequent step involved inserting a minuscule sensor into the joint capsule through a small incision, while preserving the integrity of tendons and ligaments, in order to accurately measure the fundamental intra-articular forces. A numerical model was also used to calculate the passive forces of tendons and ligaments. Before the separation of bones, the forces exerted by tendons and ligaments were relatively small compared to the capsule force, which accounted for approximately 92% of the total applied force. Contribution of tendons and ligaments, however, increased by further distraction. The passive force contribution by tendons at 2-mm distraction was determined less than 11%, whereas it reached up to 74% for the ligaments. The present study demonstrated that the ligament-capsule complex plays significant contribution in passive forces of thumb carpometacarpal joint during distraction.
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Affiliation(s)
- Hamed Hafiz
- Department of Mechanical Engineering, Ferdowsi University of Mashhad, P.O. Box: 9177948974, Mashhad, Iran
| | | | - Ali Moradi
- Orthopedics Research Center, Department of Orthopedic Surgery, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Alireza Akbarzadeh
- Department of Mechanical Engineering, FUM Center of Advanced Rehabilitation and Robotics Research (FUM CARE), Ferdowsi University of Mashhad, Mashhad, Iran
| | - Nafiseh Jirofti
- Orthopedics Research Center, Department of Orthopedic Surgery, Mashhad University of Medical Sciences, Mashhad, Iran
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Roux A, Haen TX, Iordanoff I, Laporte S. Model of calf muscle tear during a simulated eccentric contraction, comparison between ex-vivo experiments and discrete element model. J Mech Behav Biomed Mater 2023; 142:105823. [PMID: 37054574 DOI: 10.1016/j.jmbbm.2023.105823] [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: 12/17/2022] [Revised: 03/17/2023] [Accepted: 04/01/2023] [Indexed: 04/15/2023]
Abstract
The tearing of the muscle-tendon complex (MTC) is one of the common sports-related injuries. A better understanding of the mechanisms of rupture and its location could help clinicians improve the way they manage the rehabilitation period of patients. A new numerical approach using the discrete element method (DEM) may be an appropriate approach, as it considers the architecture and the complex behavior of the MTC. The aims of this study were therefore: first, to model and investigate the mechanical elongation response of the MTC until rupture with muscular activation. Secondly, to compare results with experimental data, ex vivo tensile tests until rupture were done on human cadavers {triceps surae muscle + Achilles tendon}. Force/displacement curves and patterns of rupture were analyzed. A numerical model of the MTC was completed in DEM. In both numerical and experimental data, rupture appeared at the myotendinous junction (MTJ). Moreover, force/displacement curves and global rupture strain were in agreement between both studies. The order of magnitude of rupture force was close between numerical (858 N for passive rupture and 996 N-1032 N for rupture with muscular activation) and experimental tests (622 N ± 273 N) as for the displacement of the beginning of rupture (numerical: 28-29 mm, experimental: 31.9 mm ± 3.6 mm). These differences could be explained by choices of DEM model and mechanical properties of MTC's components or their rupture strain values. Here we show that he MTC was broken by fibers' delamination at the distal MTJ and by tendon disinsertion at the proximal MTJ in agreement with experimental data and literature.
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Affiliation(s)
- A Roux
- Arts et Métiers - Institute of Technology, Institut de Biomécanique Humaine Georges Charpak, 151 bd de l'Hôpital, 75013, Paris, France; Arts et Métiers - Institute of Technology, I2M, Esplanade des Arts et Métiers, 33405, Talence, France.
| | - T-X Haen
- Arts et Métiers - Institute of Technology, Institut de Biomécanique Humaine Georges Charpak, 151 bd de l'Hôpital, 75013, Paris, France; Ramsay Générale de Santé, Clinique Jouvenet, Paris, France
| | - I Iordanoff
- Arts et Métiers - Institute of Technology, I2M, Esplanade des Arts et Métiers, 33405, Talence, France
| | - S Laporte
- Arts et Métiers - Institute of Technology, Institut de Biomécanique Humaine Georges Charpak, 151 bd de l'Hôpital, 75013, Paris, France.
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Roux A, Lecompte J, Iordanoff I, Laporte S. Modeling of muscular activation of the muscle-tendon complex using discrete element method. Comput Methods Biomech Biomed Engin 2021; 24:1184-1194. [PMID: 33416406 DOI: 10.1080/10255842.2020.1870039] [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: 10/22/2022]
Abstract
The tearing of a muscle-tendon complex (MTC) is caused by an eccentric contraction; however, the structures involved and the mechanisms of rupture are not clearly identified. The passive mechanical behavior the MTC has already been modeled and validated with the discrete element method. The muscular activation is the next needed step. The aim of this study is to model the muscle fiber activation and the muscular activation of the MTC to validate their active mechanical behaviors. Each point of the force/length relationship of the MTC (using a parabolic law for the force/length relationship of muscle fibers) is obtained with two steps: 1) a passive tensile (or contractile) test until the desired elongation is reached and 2) fiber activation during a position holding that can be managed thanks to the Discrete Element model. The muscular activation is controlled by the activation of muscle fiber. The global force/length relationship of a single fiber and of the complete MTC during muscular activation is in agreement with literature. The influence of the external shape of the structure and the pennation angle are also investigated. Results show that the different constituents of the MTC (extracellular matrix, tendon), and the geometry, play an important role during the muscular activation and enable to decrease the maximal isometric force of the MTC. Moreover, the maximal isometric force decreases when the pennation angle increases. Further studies will combine muscular activation with a stretching of the MTC, until rupture, in order to numerically reproduce the tearing of the MTC.
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Affiliation(s)
- Anthony Roux
- Arts et Métiers-Institute of Technology, Institut de Biomécanique Humaine Georges Charpak, LBM, Paris, France.,Arts et Métiers-Institute of Technology, I2M Bordeaux, France
| | - Jennyfer Lecompte
- Arts et Métiers-Institute of Technology, Institut de Biomécanique Humaine Georges Charpak, LBM, Paris, France
| | - Ivan Iordanoff
- Arts et Métiers-Institute of Technology, I2M Bordeaux, France
| | - Sébastien Laporte
- Arts et Métiers-Institute of Technology, Institut de Biomécanique Humaine Georges Charpak, LBM, Paris, France
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Pork Loin Chop Quality and Muscle Fiber Characteristics as Affected by the Direction of Cut. Foods 2020; 10:foods10010043. [PMID: 33375235 PMCID: PMC7823467 DOI: 10.3390/foods10010043] [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: 10/21/2020] [Revised: 12/22/2020] [Accepted: 12/23/2020] [Indexed: 11/17/2022] Open
Abstract
In this study, the relationship between muscle fiber characteristics and meat quality of pork loin chops prepared using different directions of cut (vertical to the muscle length, M-Vertical; vertical or parallel to the muscle fiber orientation, F-Vertical or F-Parallel) was evaluated under different storage conditions (fresh, cold storage/aged, and freeze–thawed). Among the three groups, F-parallel displayed considerably larger size of muscle fibers, regardless of their type. This group also displayed an increase in discoloration in aged chops and a decrease in purge loss and tenderness than in other cut groups (p < 0.05). Freeze–thawing accelerated deterioration of meat quality, especially water-holding capacity and tenderness in all groups (p < 0.05), but was most prominent in F-Parallel. Therefore, to avoid excessive deterioration of fresh, aged, or frozen/thawed pork loin chops, it is important to consider the direction in which the chop is cut with respect to the muscle fiber orientation.
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Madhurapantula RS, Krell G, Morfin B, Roy R, Lister K, Orgel JP. Advanced Methodology and Preliminary Measurements of Molecular and Mechanical Properties of Heart Valves under Dynamic Strain. Int J Mol Sci 2020; 21:E763. [PMID: 31991583 PMCID: PMC7037596 DOI: 10.3390/ijms21030763] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 01/15/2020] [Accepted: 01/21/2020] [Indexed: 11/16/2022] Open
Abstract
Mammalian heart valves are soft tissue assemblies with multi-scale material properties. This is because they are constructs comprising both muscle and non-contractile extracellular matrix proteins (such as collagens and proteoglycans) and transition regions where one form of tissue structure becomes another, significantly different form. The leaflets of the mitral and tricuspid valves are connected to chordae tendinae which, in turn, bind through papillary muscles to the cardiac wall of the ventricle. The transition regions between these tissue subsets are complex and diffuse. Their material composition and mechanical properties have not been previously described with both micro and nanoscopic data recorded simultaneously, as reported here. Annotating the mechanical characteristics of these tissue transitions will be of great value in developing novel implants, improving the state of the surgical simulators and advancing robot-assisted surgery. We present here developments in multi-scale methodology that produce data that can relate mechanical properties to molecular structure using scanning X-ray diffraction. We correlate these data to corresponding tissue level (macro and microscopic) stress and strain, with particular emphasis on the transition regions and present analyses to indicate points of possible failure in these tissues.
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Affiliation(s)
- Rama S. Madhurapantula
- Department of Biology, Illinois Institute of Technology, Chicago, IL 60616, USA;
- Pritzker Institute of Biomedical Science and Engineering, Illinois Institute of Technology, Chicago, IL 60616, USA;
| | - Gabriel Krell
- Pritzker Institute of Biomedical Science and Engineering, Illinois Institute of Technology, Chicago, IL 60616, USA;
| | - Berenice Morfin
- Department of Biology, Illinois Institute of Technology, Chicago, IL 60616, USA;
| | - Rajarshi Roy
- Corvid Technologies, Mooresville, NC 28117, USA; (R.R.); (K.L.)
| | - Kevin Lister
- Corvid Technologies, Mooresville, NC 28117, USA; (R.R.); (K.L.)
| | - Joseph P.R.O. Orgel
- Department of Biology, Illinois Institute of Technology, Chicago, IL 60616, USA;
- Pritzker Institute of Biomedical Science and Engineering, Illinois Institute of Technology, Chicago, IL 60616, USA;
- Department of Biomedical Engineering, Illinois Institute of Technology, Chicago, IL 60616, USA
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Soft palate muscle activation: a modeling approach for improved understanding of obstructive sleep apnea. Biomech Model Mechanobiol 2018; 18:531-546. [DOI: 10.1007/s10237-018-1100-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Accepted: 11/21/2018] [Indexed: 01/15/2023]
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Kim GD, Overholt MF, Lowell JE, Harsh BN, Klehm BJ, Dilger AC, Boler DD. Evaluation of Muscle Fiber Characteristics Based on Muscle Fiber Volume in Porcine Longissimus Muscle in Relation to Pork Quality. MEAT AND MUSCLE BIOLOGY 2018. [DOI: 10.22175/mmb2018.07.0018] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
In livestock science and meat science, muscle fiber characteristics have been evaluated based on a cross-sectional area (CSA) of muscle fiber. However, muscle fiber is not planar but cylindrical. Thus, muscle fiber volume and volume-based characteristics were evaluated in this study. In addition, their relationships to pork loin quality was assessed and compared with that of CSA-based muscle fiber characteristics. Muscle fiber type IIB was underestimated by CSA-based evaluations with 1.6 times in fiber size and 2.6 times in relative composition. The pennation angle, which ranged from 48.00° to 83.33°, determined the real CSA and total number of fibers (TNF) on the surface of a loin chop. Significant (P < 0.05) correlation coefficients were found: fiber volume (r = –0.37) and volume % (r = –0.37) of type IIX with loin length; volume % of type IIX with CIE L* (r = 0.40); volume % of types IIX (r = 0.39) and IIB (r = –0.39) with Warner-Bratzler shear force. Although those correlations to loin quality differed from those of CSA-based characteristics, the Z-scores did not show any significance between the 2 correlation coefficients, except for TNF. Therefore, the conventional methodology for muscle fiber characteristics can be used for evaluating the relationship to pork quality; however, the new methodology is more useful in estimating the characteristics of muscle fiber, which is elongated and cylindrical and to correct the underestimated fiber size and composition of type IIB.
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Affiliation(s)
- G. D. Kim
- Seoul National University Graduate School of International Agricultural Technology, Institute of Green-Bio Science and Technology
| | - M. F. Overholt
- University of Illinois at Urbana-Champaign Department of Animal Sciences
| | - J. E. Lowell
- University of Illinois at Urbana-Champaign Department of Animal Sciences
| | - B. N. Harsh
- University of Illinois at Urbana-Champaign Department of Animal Sciences
| | - B. J. Klehm
- University of Illinois at Urbana-Champaign Department of Animal Sciences
| | - A. C. Dilger
- University of Illinois at Urbana-Champaign Department of Animal Sciences
| | - D. D. Boler
- University of Illinois at Urbana-Champaign Department of Animal Sciences
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Muth-seng C, Gras LL, Roux A, Laporte S. Modelling of fascia lata rupture during tensile tests via the discrete element method. Comput Methods Biomech Biomed Engin 2017; 20:147-148. [DOI: 10.1080/10255842.2017.1382904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- C. Muth-seng
- Arts et Métiers ParisTech, Institut de Biomécanique Humaine George Charpak, Paris
| | - L. L. Gras
- IFSTTAR, LBMC UMR_T9406Univ Lyon, Université Claude Bernard Lyon 1, Lyon, France
| | - A. Roux
- Arts et Métiers ParisTech, Institut de Biomécanique Humaine George Charpak, Paris
| | - S. Laporte
- Arts et Métiers ParisTech, Institut de Biomécanique Humaine George Charpak, Paris
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