A simplified model of scar contraction.

Abstract:

:The healing of wounds is a complex process and the contraction of the resulting scar can have a negative impact on the neighbouring skin. A finite element model of skin simulating the contraction of a scar and deformation of the surrounding skin is presented. The skin is represented by an orthotropic-viscoelastic constitutive law, which is validated against experimental data in the literature. A simplified experimental model of a contracting scar in real skin is also developed. The pattern and size of the wrinkles formed around the contracting scar in the finite element model compare favourably with those formed in the experimental model. The orthotropic nature of skin plays a significant role in the behaviour of skin around scars -- the wrinkles have a preferential orientation that corresponds to a direction perpendicular to the Langer's lines in the skin. The pre-stress in skin (a property that is ignored in many skin models) is shown to be an important factor in wrinkle formation around scars. The proposed model can be used to analyse the suturing and closure of wounds of various shapes.

journal_name

J Biomech

journal_title

Journal of biomechanics

authors

Flynn C,McCormack BA

doi

10.1016/j.jbiomech.2008.02.024

subject

Has Abstract

pub_date

2008-01-01 00:00:00

pages

1582-9

issue

7

eissn

0021-9290

issn

1873-2380

pii

S0021-9290(08)00082-1

journal_volume

41

pub_type

杂志文章
  • Laterality in the gallop gait of horses.

    abstract::Bilateral asymmetry in gallop stride limb contact patterns of four Quarter Horse fillies was documented by high-speed cinematography. Horses were filmed with rider by two cameras simultaneously while galloping along a straightaway. Even though signaled for each gallop lead an equivalent number of times, horses frequen...

    journal_title:Journal of biomechanics

    pub_type: 杂志文章

    doi:10.1016/0021-9290(87)90285-5

    authors: Deuel NR,Lawrence LM

    更新日期:1987-01-01 00:00:00

  • Nonuniform swelling-induced residual strains in articular cartilage.

    abstract::Swelling effects in cartilage originate from an interstitial osmotic pressure generated by the presence of negatively charged proteoglycans in the tissue. This swelling pressure gives rise to a non-zero residual strain in the cartilage solid matrix in the absence of externally applied loads. Previous studies have quan...

    journal_title:Journal of biomechanics

    pub_type: 杂志文章

    doi:10.1016/s0021-9290(98)00184-5

    authors: Narmoneva DA,Wang JY,Setton LA

    更新日期:1999-04-01 00:00:00

  • Digital volume correlation and micro-CT: An in-vitro technique for measuring full-field interface micromotion around polyethylene implants.

    abstract::Micromotion around implants is commonly measured using displacement-sensor techniques. Due to the limitations of these techniques, an alternative approach (DVC-μCT) using digital volume correlation (DVC) and micro-CT (μCT) was developed in this study. The validation consisted of evaluating DVC-μCT based micromotion ag...

    journal_title:Journal of biomechanics

    pub_type: 杂志文章

    doi:10.1016/j.jbiomech.2015.05.024

    authors: Sukjamsri C,Geraldes DM,Gregory T,Ahmed F,Hollis D,Schenk S,Amis A,Emery R,Hansen U

    更新日期:2015-09-18 00:00:00

  • Mechanical and material properties of the plantarflexor muscles and Achilles tendon in children with spastic cerebral palsy and typically developing children.

    abstract:BACKGROUND:Children with spastic cerebral palsy (CP) experience secondary musculoskeletal adaptations, affecting the mechanical and material properties of muscles and tendons. CP-related changes in the spastic muscle are well documented whilst less is known about the tendon. From a clinical perspective, it is important...

    journal_title:Journal of biomechanics

    pub_type: 杂志文章

    doi:10.1016/j.jbiomech.2016.07.020

    authors: Theis N,Mohagheghi AA,Korff T

    更新日期:2016-09-06 00:00:00

  • An ocular biomechanic model for dynamic simulation of different eye movements.

    abstract::Simulating and analysing eye movement is useful for assessing visual system contribution to discomfort with respect to body movements, especially in virtual environments where simulation sickness might occur. It can also be used in the design of eye prosthesis or humanoid robot eye. In this paper, we present two biome...

    journal_title:Journal of biomechanics

    pub_type: 杂志文章

    doi:10.1016/j.jbiomech.2018.02.006

    authors: Iskander J,Hossny M,Nahavandi S,Del Porto L

    更新日期:2018-04-11 00:00:00

  • Statistical characterization of piezoelectric coefficient d23 in cow bone.

    abstract::In a newly developed, highly sensitive dilatometer we applied pulsatile electric fields to five dry bone samples cut from mid-tibial sections within a 90 degrees angle from the rear to front axis. Samples of five cows were studied. We measured the piezoelectric coefficient d23 establishing its mean and confidence inte...

    journal_title:Journal of biomechanics

    pub_type: 杂志文章

    doi:10.1016/s0021-9290(99)00021-4

    authors: Aschero G,Gizdulich P,Mango F

    更新日期:1999-06-01 00:00:00

  • The range of axial rotation of the glenohumeral joint.

    abstract::There is a paucity of data in the literature on the restraining effects of the glenohumeral (GH) ligaments; cadaveric testing is one of the best methods for determining the function of these types of tissues. The aim of this work was to commission a custom-made six degrees of freedom (dof) joint loading apparatus and ...

    journal_title:Journal of biomechanics

    pub_type: 杂志文章

    doi:10.1016/j.jbiomech.2009.03.007

    authors: Southgate DF,Hill AM,Alexander S,Wallace AL,Hansen UN,Bull AM

    更新日期:2009-06-19 00:00:00

  • Role of endplates in contributing to compression behaviors of motion segments and intervertebral discs.

    abstract::The purpose of this study was to gain an improved understanding of the mechanical behavior of the intervertebral disc in the presence and absence of the vertebral endplates. Mechanical behaviors of rat caudal motion segments, vertebrae and isolated disc explants under two different permeability conditions were investi...

    journal_title:Journal of biomechanics

    pub_type: 杂志文章

    doi:10.1016/j.jbiomech.2005.11.013

    authors: MacLean JJ,Owen JP,Iatridis JC

    更新日期:2007-01-01 00:00:00

  • Foot contact identification using a single triaxial accelerometer during running.

    abstract::The analysis of in-field biomechanics data typically requires the identification of foot contact. Existing techniques to identify foot contact using accelerometers offer a viable option for identifying foot contact in the field. However, these techniques often require the placement of additional accelerometers or the ...

    journal_title:Journal of biomechanics

    pub_type: 杂志文章

    doi:10.1016/j.jbiomech.2020.109768

    authors: Aubol KG,Milner CE

    更新日期:2020-05-22 00:00:00

  • Compressive properties of cd-HA-gelatin modified intrasynovial tendon allograft in canine model in vivo.

    abstract::Although we sometimes use the intrasynovial tendon allograft as a donor, the gliding ability of allograft prepared by lyophilization is significantly decreased. The gliding ability of the grafted tendon after tendon reconstruction is very important because the high gliding resistance causes more adhesion and leads to ...

    journal_title:Journal of biomechanics

    pub_type: 杂志文章

    doi:10.1016/j.jbiomech.2010.12.030

    authors: Ikeda J,Zhao C,Chen Q,Thoreson AR,An KN,Amadio PC

    更新日期:2011-06-03 00:00:00

  • An analysis of the complete strain field within Flexercell membranes.

    abstract::The purpose of the current investigation was to use finite element analysis to quantify the complete strain field for the membranes of the Flexercell apparatus, a device extensively used to study the effects of mechanical loading on cultured cells. Four vacuum pressure simulations were run for the membrane for both th...

    journal_title:Journal of biomechanics

    pub_type: 杂志文章

    doi:10.1016/j.jbiomech.2004.02.022

    authors: Vande Geest JP,Di Martino ES,Vorp DA

    更新日期:2004-12-01 00:00:00

  • Material characterization of the brainstem from oscillatory shear tests.

    abstract::Traumatic damage to the brainstem occurs frequently when the brain skull complex experiences injurious loading especially during those traumatic situations that produce diffuse axonal injury (DAI). DAI has been shown to be dependent on load direction and correlated with regional tissue deformation in response to rotat...

    journal_title:Journal of biomechanics

    pub_type: 杂志文章

    doi:10.1016/s0021-9290(98)00068-2

    authors: Arbogast KB,Margulies SS

    更新日期:1998-09-01 00:00:00

  • Finite element models predict cancellous apparent modulus when tissue modulus is scaled from specimen CT-attenuation.

    abstract::High-resolution architecture-based finite element models are commonly used for characterizing the mechanical behavior of cancellous bone. The vast majority of studies use homogeneous material properties to model trabecular tissue. The objectives of this study were to demonstrate that inhomogeneous finite element model...

    journal_title:Journal of biomechanics

    pub_type: 杂志文章

    doi:10.1016/j.jbiomech.2003.10.002

    authors: Bourne BC,van der Meulen MC

    更新日期:2004-05-01 00:00:00

  • The potential influence of the heel counter on internal stress during static standing: a combined finite element and positional MRI investigation.

    abstract::Confinement of the heel due to the counter of the shoe is believed to influence heel pad biomechanics. Using a two-dimensional finite element model of the heel pad and shoe during a simulation of static standing, the aim of this study was to quantify the potential effect of confinement on internal heel pad stress. Non...

    journal_title:Journal of biomechanics

    pub_type: 杂志文章

    doi:10.1016/j.jbiomech.2007.01.004

    authors: Spears IR,Miller-Young JE,Sharma J,Ker RF,Smith FW

    更新日期:2007-01-01 00:00:00

  • Internal strain gradients quantified in bone under load using high-energy X-ray scattering.

    abstract::High-energy synchrotron X-ray scattering (>60 keV) allows noninvasive quantification of internal strains within bone. In this proof-of-principle study, wide angle X-ray scattering maps internal strain vs position in cortical bone (murine tibia, bovine femur) under compression, specifically using the response of the mi...

    journal_title:Journal of biomechanics

    pub_type: 杂志文章

    doi:10.1016/j.jbiomech.2010.10.015

    authors: Stock SR,Yuan F,Brinson LC,Almer JD

    更新日期:2011-01-11 00:00:00

  • Numerical simulation of unsteady laminar flow through a tilting disk heart valve: prediction of vortex shedding.

    abstract::Heart valves induce flow disturbances which play a role in blood cell activation and damage, but questions of the magnitude and spatial distribution of fluid stresses (wall shear stress and turbulent stress) cannot be readily addressed with current experimental techniques. Therefore, a numerical simulation procedure f...

    journal_title:Journal of biomechanics

    pub_type: 杂志文章

    doi:10.1016/0021-9290(94)90015-9

    authors: Huang ZJ,Merkle CL,Abdallah S,Tarbell JM

    更新日期:1994-04-01 00:00:00

  • High frequency components of bone strain in dogs measured during various activities.

    abstract::Rubin et al. [J. Biomechanics 23, 43-54 (1990)] proposed that high frequency bone strains in the 15-30 Hz range might have significant influence on the morphological adaptation of bone tissue. We sought to further their findings by determining the magnitude of high frequency strains during various activities. We measu...

    journal_title:Journal of biomechanics

    pub_type: 杂志文章

    doi:10.1016/0021-9290(95)80005-0

    authors: Turner CH,Yoshikawa T,Forwood MR,Sun TC,Burr DB

    更新日期:1995-01-01 00:00:00

  • Tensile experiments and SEM fractography on bovine subchondral bone.

    abstract::Subchondral bone undecalcified samples, extracted from bovine femoral heads, are subjected to a direct tensile load. The Young's modulus of each sample is determined from repeated tests within the elastic limit. In a last test, the tensile load is increased up to the specimen failure, determining the ultimate tensile ...

    journal_title:Journal of biomechanics

    pub_type: 杂志文章

    doi:10.1016/s0021-9290(00)00074-9

    authors: Braidotti P,Bemporad E,D'Alessio T,Sciuto SA,Stagni L

    更新日期:2000-09-01 00:00:00

  • Exercise-induced hyperthermia as a possible mechanism for tendon degeneration.

    abstract::Mathematical modelling of tendon thermodynamics predicted that the temperature of the central core of the equine superficial digital flexor tendon would plateau at 11 degrees C above the tendon surface temperature during a sustained gallop. A mean temperature differential (between tendon core and surface) of 5.4 (S.E....

    journal_title:Journal of biomechanics

    pub_type: 杂志文章

    doi:10.1016/0021-9290(94)90262-3

    authors: Wilson AM,Goodship AE

    更新日期:1994-07-01 00:00:00

  • Musculo-articular modelling of the triceps brachii.

    abstract::With the aim of proposing modelling equations for the length, force and shortening velocity of the triceps brachii, an X-ray and biomechanical study was carried out on the elbow joint. Two series of three upper right limbs removed from cadavers were used. It allowed us to situate the articular rotational axis of the e...

    journal_title:Journal of biomechanics

    pub_type: 杂志文章

    doi:10.1016/0021-9290(95)00032-1

    authors: Gerbeaux M,Turpin E,Lensel-Corbeil G

    更新日期:1996-02-01 00:00:00

  • A multipurpose muscle ergometer.

    abstract::A fast (0.1 mm steps within 2 ms), strong (40 N continuously) and accurate (resolution 0.002 N and 1.0 micron) muscle ergometer was developed to test dynamic and static properties of mammalian muscle. Both for twitches and for tetani isometric, isokinetic and isotonic contractions can be measured accurately. Force-vel...

    journal_title:Journal of biomechanics

    pub_type: 杂志文章

    doi:10.1016/0021-9290(87)90312-5

    authors: Woittiez RD,Brand C,de Haan A,Hollander AP,Huijing PA,van der Tak R,Rijnsburger WH

    更新日期:1987-01-01 00:00:00

  • Effect of attachment types and number of implants supporting mandibular overdentures on stress distribution: a computed tomography-based 3D finite element analysis.

    abstract::The objective of this study was to calculate stresses in bone tissue surrounding uncoupled and splinted implants that are induced by a bite force applied to the mandible and to determine whether the number of mandibular overdenture supporting implants in mandibular bone influence the stress distribution. A human adult...

    journal_title:Journal of biomechanics

    pub_type: 杂志文章

    doi:10.1016/j.jbiomech.2014.10.022

    authors: Arat Bilhan S,Baykasoglu C,Bilhan H,Kutay O,Mugan A

    更新日期:2015-01-02 00:00:00

  • Altered osteogenic commitment of human mesenchymal stem cells by ERM protein-dependent modulation of cellular biomechanics.

    abstract::Cellular mechanics is known to play an important role in many cellular functions including adhesion, migration, proliferation, and differentiation. Human mesenchymal stem cells (hMSCs) demonstrate unique mechanical properties distinct from fully differentiated cells. This observation suggests that the stem cell mechan...

    journal_title:Journal of biomechanics

    pub_type: 杂志文章

    doi:10.1016/j.jbiomech.2011.07.024

    authors: Titushkin I,Cho M

    更新日期:2011-10-13 00:00:00

  • Effect of chronic idiopathic low back pain on the kinetic gait characteristics in different foot masks.

    abstract::Identification of kinetic variables in different masks of foot is important for the evaluation and treatment of chronic low back pain. The aim of this study was to investigate the effect of chronic idiopathic low back pain on kinetic variables of gait in different foot masks. 11 idiopathic chronic low back pain patien...

    journal_title:Journal of biomechanics

    pub_type: 杂志文章

    doi:10.1016/j.jbiomech.2018.08.013

    authors: Yazdani S,Dizji E,Alizadeh F,Hassanlouei H

    更新日期:2018-10-05 00:00:00

  • Comparison of micro-level and continuum-level voxel models of the proximal femur.

    abstract::Continuum-level finite element (FE) models became standard computational tools for the evaluation of bone mechanical behavior from in vivo computed tomography scans. Such scans do not account for the anisotropy of the bone. Instead, local mechanical properties in the continuum-level FE models are assumed isotropic and...

    journal_title:Journal of biomechanics

    pub_type: 杂志文章

    doi:10.1016/j.jbiomech.2005.10.027

    authors: Verhulp E,van Rietbergen B,Huiskes R

    更新日期:2006-01-01 00:00:00

  • The impact of boundary conditions on surface curvature of polypropylene mesh in response to uniaxial loading.

    abstract::Exposure following pelvic organ prolapse repair has been observationally associated with wrinkling of the implanted mesh. The purpose of this study was to quantify the impact of variable boundary conditions on the out-of-plane deformations of mesh subjected to tensile loading. Using photogrammetry and surface curvatur...

    journal_title:Journal of biomechanics

    pub_type: 杂志文章

    doi:10.1016/j.jbiomech.2015.02.061

    authors: Barone WR,Amini R,Maiti S,Moalli PA,Abramowitch SD

    更新日期:2015-06-25 00:00:00

  • Micromechanical modeling of elastic properties of cortical bone accounting for anisotropy of dense tissue.

    abstract::The paper analyzes the connection between microstructure of the osteonal cortical bone and its overall elastic properties. The existing models either neglect anisotropy of the dense tissue or simplify cortical bone microstructure (accounting for Haversian canals only). These simplifications (related mostly to insuffic...

    journal_title:Journal of biomechanics

    pub_type: 杂志文章

    doi:10.1016/j.jbiomech.2014.08.019

    authors: Salguero L,Saadat F,Sevostianov I

    更新日期:2014-10-17 00:00:00

  • The role of synovial fluid filtration by cartilage in lubrication of synovial joints--II. Squeeze-film lubrication: homogeneous filtration.

    abstract::A mathematical model of synovial film filtration and synovial gel formation at normal approach of cartilage surfaces in the human hip joint is presented. The biphasic mixture model presented in Part I of this paper [Hlavácek, J. Biomechanics 26, (1993)] for synovial fluid and that of Mow and his collaborators [J. Biom...

    journal_title:Journal of biomechanics

    pub_type: 杂志文章

    doi:10.1016/0021-9290(93)90063-k

    authors: Hlavácek M

    更新日期:1993-10-01 00:00:00

  • Simulation of orthotropic microstructure remodelling of cancellous bone.

    abstract::A computational model of adaptive bone remodelling is formulated as an optimization problem of instantaneous changes in microstructure that minimize a functional describing the structure quality rate. Microstructure is locally described by a set of scalar geometric parameters. Macroscopic (continuum) elastic propertie...

    journal_title:Journal of biomechanics

    pub_type: 杂志文章

    doi:10.1016/j.jbiomech.2009.09.045

    authors: Kowalczyk P

    更新日期:2010-02-10 00:00:00

  • Hydro-mechanical coupling in the periodontal ligament: a porohyperelastic finite element model.

    abstract::Harmonic tension-compression tests at 0.1, 0.5 and 1 Hz on hydrated bovine periodontal ligament (PDL) were numerically simulated. The process was modeled by finite elements (FE) within the framework of poromechanics, with the objective of isolating the contributions of the solid- and fluid phases. The solid matrix was...

    journal_title:Journal of biomechanics

    pub_type: 杂志文章

    doi:10.1016/j.jbiomech.2010.08.019

    authors: Bergomi M,Cugnoni J,Galli M,Botsis J,Belser UC,Wiskott HW

    更新日期:2011-01-04 00:00:00